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L18
The sealed linear encoder L18 is used to convert linear displacements of key machine components into electrical signals containing information about the value and direction of the displacement.
The encoder consists of a glass scale installed into a rigid hollow housing and a ball-bearing-guided reading head. To be able to work in harsh environments (lubricants and chips), the encoder has sealing lips.
Filtered air can be supplied into the housing of the encoder for extra protection.
The photoelectric unit of the reading head generates sinusoidal micro-current or TTL square-wave (standard RS422) output signals.
Three versions of output signals are available:
• L18-A - Sinusoidal signals, with amplitude approx. 11 μApp, require external subdividing electronics.
• L18-AV - Sinusoidal signals, with amplitude approx. 1 Vpp, require external subdividing electronics.
• L18-F - Square-wave, with integrated subdividing electronics for interpolation x1, x2, x5, x10, x 25, x50.
MECHANICAL DATA
Measuring lengths (ML), mm | 70; 120; 170; 220; 270; 320; 370; 420; 520; 620; 720; 820; 920; 1020; 1140; 1240 (other intermenate lenghts on request) |
Accuracy grades to any meter within the ML (at 20°C) | ± 10; ±5; ±3 μm (optional) |
Grating period | 20 μm; 40 μm (optional) |
Reference marks (RI) | - standard for ML ≤ 1020 mm: 35 mm from both ends of ML - standard for ML > 1140 mm: 45 mm from both ends of ML - optional: one RI at any location, or two or more RI's separated by distances of n x 50 mm or distance-coded |
Max. traversing speed | - when interpolation factor is 1,2,5,10: 1 m/s - when interpolation factor is 25: 0.5 m/s - when interpolation factor is 50: 0.4 m/s |
Required moving force with sealing lips | < 3 N |
Protection (IEC 529) | - without compressed air: IP53 - with compressed air (optional): IP64 |
Weight | 0.4 kg + 0.8 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (40 to 2000 Hz) | ≤ 30 m/s² |
ELECTRICAL DATA
Version | L18-A ∫ 11 µApp | L18-AV ∫ 1 Vpp | L18-F Π TTL |
Supply voltage | + 5 V ± 5 % / <90 mA | + 5 V ± 5 % / < 120 mA | + 5 V ± 5 % / < 120 mA |
Light source | LED | LED | LED |
Incremental signals | Two sinusoidal I1 and I2 | Differential sine +A / -A and +B / -B Amplitude at 120 kΩ load: - A = 0.6 - 1.2 V - B = 0.6 - 1.2 V | Differential square-wave U1 /U1 and U2 / U2. Signal levels at 20 mA load current: |
Reference signal | One quasi-triangular I0 peek per revolution. Signal magnitude at 1 kW load: | One quasi-triangular +R and its complementary -R per revolution. Signals magnitude at 120 W load: | One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current: |
Maximum operating frequency |
| 50 kHz | 50xk kHz, when interpolation factor is 1,2,5,10 |
Direction of signals | I2 lags I1 for clockwise rotation (viewed from shaft side) |
| U2 lags with U1 in clockwise rotation (viewed from shaft side) |
Standard cable length | 3 m; without connector | 3 m; without connector | 3 m; without connector |
Maximum cable length | 5 m | 25 m | 25 m |
ACCESSORIES
DRAWINGS
ORDER FORM
L18B
The sealed linear encoder L18B is used to convert linear displacements of key machine components into electrical signals containing information about the value and direction of the displacement.
The encoder consists of a glass scale installed into a rigid hollow housing and a ball-bearing-guided reading head. To be able to work in harsh environments (lubricants and chips), the encoder has sealing lips.
The photoelectric unit of the reading head generates sinusoidal micro-current or TTL square-wave (standard RS422) output signals.
Three versions of output signals are available:
• L18B-A - Sinusoidal signals, with amplitude approx. 11 μApp, require an external subdividing electronics.
• L18B-AV - Sinusoidal signals, with amplitude approx. 1 Vpp, require external subdividing electronics.
• L18B-F - Square-wave signals, with integrated subdividing electronics for interpolation x1, x2, x5, x10, x25, x50.
MECHANICAL DATA
Measuring lengths (ML), mm | 70; 120; 170; 220; 270; 320; 370; 420; 470; 520; 620; 720; 820; 920; 1020; 1140; 1240; 1340; 1440; 1540; 1640; 1740; 1840; 1940; 2040; 2140; 2240; 2340; 2440; 2540; 2640; 2740; 2840; 2940; 3040; 3140; 3240
|
Accuracy grades to any meter within the ML (at 20°C) | - for ML 70 to 2040: ± 10; ±5 μm (optional) |
Grating period | 20 μm; 40 μm (optional) |
Reference marks (RI) | - standard for ML ≤ 1020 mm: 35 mm from both ends of ML |
Max. traversing speed | - when interpolation factor is 1,2,5,10: 1 m/s |
Required moving force with sealing lips | < 3 N |
Protection (IEC 529) | - without compressed air: IP53 - with compressed air (optional): IP64 |
Weight | 0.4 kg + 1.0 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (40 to 2000 Hz) | ≤ 30 m/s² |
Permissible shock (11 ms) | ≤ 100 m/s² |
ELECTRICAL DATA
Version | L18B-A ∫ 11 µApp | L18B-AV ∫ 1 Vpp | L18B-F Π TTL |
Supply voltage | + 5 V ± 5 % / < 90 mA | + 5 V ± 5 % / < 120 mA | + 5 V ± 5 % / < 120 mA |
Light source | LED | LED | LED |
Resolution | Depends on external subdividing electronics | Depends on external subdividing electronics | 5; 1; 2.5; 0.5; 0.2; 0.1 µm (after 4 - fold dividing in subsequent electronics) |
Incremental signals | Two sinusoidal I1 and I2 | Differential sine +A / -A and +B / -B Amplitude at 120 kΩ load: - A = 0.6 - 1.2 V - B = 0.6 - 1.2 V | Differential square-wave U1 /U1 and U2 / U2. Signal levels at 20 mA load current: |
Reference signal | One quasi-triangular I0 peek per revolution. Signal magnitude at 1 kW load: | One quasi-triangular +R and its complementary -R per revolution. Signals magnitude at 120 W load: | One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current:
|
Maximum operating frequency | 50 kHz
| 50 kHz
| 50xk kHz, when interpolation factor is 1,2,5,10 1000 kHz, when interpolation factor is 25, 50 |
Direction of signals | I2 lags I1 at reading head displacement from left to right | + B lags + A at reading head displacement from left to right | U2 lags with U1 at reading head displacement from left to right |
Maximum rise and fall time | - | - | < 0.5 μs |
Standard cable length | 3 m; without connector | 3 m; without connector | 3 m; without connector |
Maximum cable length | 5 m | 25 m | 25 m |
ACCESSORIES
DRAWINGS
ORDER FORM
L18C
The sealed linear encoder L18C is used to convert linear displacements of key machine components into electrical signals containing information about the value and direction of the displacement.
The encoder consists of a glass scale installed into a rigid hollow housing and a ball-bearing-guided reading head. To be able to work in harsh environments (lubricants and chips), the encoder has sealing lips. Filtered air can be supplied into the housing of the encoder for extra protection.
The photoelectric unit of the reading head generates sinusoidal micro-current or TTL square-wave (standard RS422) output signals.
Two versions of output signals are available:
• L18C-A sinusoidal signals, with amplitude not smaller than 15 μApp, require an external subdividing electronics.
• L18C-F square-wave signals (TTL), with integrated subdividing electronics for interpolation x1, x2, x5, x10, x25, x50.
MECHANICAL DATA
Measuring lengths (ML), mm | 70; 120; 170; 220; 270; 320; 370; 420; 470; 520; 620; 720; 820; 920; 1020; 1140; 1240; 1340; 1440; 1540; 1640; 1740; 1840; 1940; 2040; 2140; 2240; 2340; 2440; 2540; 2640; 2740; 2840; 2940; 3040; 3140; 3240
|
Accuracy grades to any meter within the ML (at 20°C) | - for ML 70 to 2040: ± 10; ±5 μm |
Grating period | 20 μm; 40 μm (optional) |
Reference marks (RI) | - standard S1: middle of ML ± 2 mm
|
Max. traversing speed | - when interpolation factor is 1,2,5,10: 1 m/s - when interpolation factor is 25: 0.5 m/s - when interpolation factor is 50: 0.4 m/s |
Required moving force with sealing lips | < 3 N |
Protection (IEC 529) | - without compressed air: IP53 - with compressed air (optional): IP64 |
Weight | 0.4 kg + 1.0 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (40 to 2000 Hz) | ≤ 30 m/s² |
Permissible shock (11 ms) | ≤ 100 m/s² |
ELECTRICAL DATA
Version | L18C-A ∫ 11 µApp | L18C-AV ∫ 1 Vpp | L18C-F Π TTL |
Supply voltage | + 5 V ± 5 % / < 90 mA | + 5 V ± 5 % / < 120 mA | + 5 V ± 5 % / < 120 mA |
Light source | LED | LED | LED |
Resolution | Depends on external subdividing electronics | Depends on external subdividing electronics | 5; 1; 2.5; 0.5; 0.2; 0.1 µm (after 4 - fold dividing in subsequent electronics) |
Incremental signals | Two sinusoidal I1 and I2 | Differential sine +A / -A and +B / -B Amplitude at 120 kΩ load: - A = 0.6 - 1.2 V - B = 0.6 - 1.2 V | Differential square-wave U1 /U1 and U2 / U2. Signal levels at 20 mA load current: |
Reference signal | One quasi-triangular I0 peek per revolution. Signal magnitude at 1 kW load: | One quasi-triangular +R and its complementary -R per revolution. Signals magnitude at 120 W load: | One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current:
|
Maximum operating frequency | 50 kHz
| 50 kHz
| 50xk kHz, when interpolation factor is 1,2,5,10 1000 kHz, when interpolation factor is 25, 50 |
Direction of signals | I2 lags I1 at reading head displacement from left to right | + B lags + A at reading head displacement from left to right | U2 lags with U1 at reading head displacement from left to right |
Standard cable length | 3 m; without connector | 3 m; without connector | 3 m; without connector |
Maximum cable length | 5 m | 25 m | 25 m |
ACCESSORIES
DRAWINGS
ORDER FORM
L18T
The sealed linear encoder L18T is used to convert linear displacements of key machine components into electrical signals containing information about the value and direction of the displacement. The difference from encoder L18 series is that it has the other housing fixation and more stable thermal behaviour.
The encoder consists of a glass scale installed into a rigid hollow housing and a ball-bearing-guided reading head. To be able to work in harsh environments (lubricants and chips), the encoder has sealing lips. Filtered air can be supplied into the housing of the encoder for extra protection.
The photoelectric unit of the reading head generates sinusoidal micro-current or TTL square-wave (standard RS422) output signals.
Three versions of output signals are available:
• L18T-A - Sinusoidal signals, with amplitude approx. 11 μApp, require external subdividing electronics.
• L18T-AV - Sinusoidal signals, with amplitude approx. 1 Vpp, require external subdividing electronics.
• L18T- F - Square-wave, with integrated subdividing electronics for interpolation x1, x2, x5, x10, x 25, x50.
MECHANICAL DATA
Measuring lengths (ML), mm | 70; 120; 170; 220; 270; 320; 370; 420; 470; 520; 620; 720; 820; 920; 1020; 1140; 1240 |
Accuracy grades to any meter within the ML (at 20°C) | ± 10; ± 5; ± 3 μm (optional) |
Grating period | 20 μm; 40 μm (optional) |
Reference marks (RI) | - standard for ML ≤ 1020 mm: 35 mm from both ends of ML |
Max. traversing speed | - when interpolation factor is 1,2,5,10: 1 m/s |
Required moving force with sealing lips | < 3 N |
Protection (IEC 529) | - without compressed air: IP53 - with compressed air (optional): IP64 |
Weight | 0.4 kg + 0.8 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (40 to 2000 Hz) | ≤ 30 m/s² |
Permissible shock (11 ms) | ≤ 100 m/s² |
ELECTRICAL DATA
Version | L18T-A ∫ 11 µApp | L18T-AV ∫ 1 Vpp | L18T-F Π TTL |
Supply voltage | + 5 V ± 5 % / < 90 mA | + 5 V ± 5 % / < 120 mA | + 5 V ± 5 % / < 120 mA |
Light source | LED | LED | LED |
Resolution | Depends on external subdividing electronics | Depends on external subdividing electronics | 5; 1; 2.5; 0.5; 0.2; 0.1 µm (after 4 - fold dividing in subsequent electronics) |
Incremental signals | Two sinusoidal I1 and I2 | Differential sine +A / -A and +B / -B Amplitude at 120 kΩ load: - A = 0.6 - 1.2 V - B = 0.6 - 1.2 V | Differential square-wave U1 /U1 and U2 / U2. Signal levels at 20 mA load current: |
Reference signal | One quasi-triangular I0 peek per revolution. Signal magnitude at 1 kW load: | One quasi-triangular +R and its complementary -R per revolution. Signals magnitude at 120 W load: | One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current: |
Maximum operating frequency | 50 kHz
| 50 kHz
| 50xk kHz, when interpolation factor is 1,2,5,10 1000 kHz, when interpolation factor is 25, 50 |
Direction of signals | I2 lags I1 at reading head displacement from left to right | + B lags + A at reading head displacement from left to right | U2 lags with U1 at reading head displacement from left to right |
Standard cable length | 3 m; without connector | 3 m; without connector | 3 m; without connector |
Maximum cable length | 5 m | 25 m | 25 m |
ACCESSORIES
DRAWINGS
ORDER FORM
L23
Modular sealed photoelectric linear encoder L23 has measuring length up to 20 meters and more on special order.
The encoder is used to convert linear displacements of machine key components into electrical signals containing information about the value and direction of the displacement.
The encoder operates in reflected from metal band light beam. Metal band with made on its surface grating scale is fixed in rigid aluminium housing with double protection lips.
The encoder consists of several separate modules with length up to 3,0 m, which are jointed together, and reading head.
The standard encoder has three square-wave TTL output signals: 2 main signals, shifted by 90 degrees and one reference signal.
MECHANICAL DATA
Measuring lengths (ML), mm | 250, 300, 350, 400, 450, 500...20000 (more on option) |
Accuracy grades to any meter within the ML (at 20°C) | ± 10; ± 5; ± 3 μm (optional) |
Grating period | 400 μm; 40 μm; 20 μm |
Reference marks (RI) | - N: without reference mark |
Max. traversing speed | - when T = 400 μm and resolution 100, 50, 10 μm: 120 m/min |
Required moving force with sealing lips | < 4 N |
Protection (IEC 529) | - without compressed air: IP54 - with compressed air (optional): IP64 |
Weight | 0.4 kg + 2.8 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (10 to 2000 Hz) | ≤ 100 m/s² |
Permissible shock (11 ms) | ≤ 150 m/s² |
Coefficient of thermal expansion | 10.6 x 10-6 °C |
ELECTRICAL DATA
Version | L23-F Π (TTL or HTL) |
Supply voltage | + 5 V ± 5 %; 65 mA + 12 V ± 5 %; 65 mA |
Light source | LED |
Resolution | 100, 50, 10, 5, 1, 0.5 μm (after 4 - fold in subsequent electronics) |
Incremental signals | Differential square-wave U1 / U1 and U2 / U2 |
Reference signal | Differential square-wave U0 / U0 |
Signal levels at load current 20 mA | - low (logic "0") < 0.5 V at Up = ±5V |
Direction of signals | U2 lags with U1 (displacement from left to right and head position down) |
Standard cable length | 4 m armored; without connector |
Maximum cable length | 25 m |
ACCESSORIES
DRAWINGS
ORDER FORM
LK24
The sealed absolute photoelectric encoder LK24 is used to convert linear displacements of key machine components into electrical signals containing information about components absolute position.
The encoder consists of a glass scale installed into a rigid hollow housing and a ball-bearing guided reading head. To be able to work in harsh environments (lubricants and chips), the encoder has double level sealing lips. Filtered air can be supplied into the housing of the encoder for extra protection.
The encoder has two versions of serial interface SSI or BiSS C. On option third encoder version is available: with 2 analog sinusoidal signals with phase shift 90 o and amplitude approx. 1Vpp.
MECHANICAL AND ELECTRICAL DATA
Measuring lengths (ML), mm | 70; 120; 170; 220; 270; 320; 370; 420; 470; 520; 570; 620; 720; 770; 820; 920; 1024; 1140; 1240; 1340; 1440; 1540; 1640; 1740; 1840; 2040; 2240; 2440; 2640; 2840; 3040; 3240. |
Accuracy grades to any meter within the ML (at 20°C) | ± 3 μm; ± 1 μm |
Grating pitch | 20 μm |
Resolution 1 Vpp | up to 0.1 μm (depending on CNC division factor) |
Resolution absolute measure | 1 μm; 0.1 μm |
Incremental signal | sine wave 1 Vpp (optional) |
Serial interface | SSI or BiSS |
Max. traversing speed | 120 m/min |
Max. acceleration | 30 m/s2 |
Required moving force | < 4 N; ≤ 2.5 N on request |
Protection (IEC 529) | - without compressed air: IP54 - with compressed air: IP64 |
Weight | 0.42 kg + 1.32 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (55 to 2000 Hz) | 100 m/s² |
Permissible shock (11 ms) | 150 m/s² |
Permissible humidity (non condensed) | 20...80% |
Power supply | + 5V; ± 5% |
Standard cable length/max. cable length | 2.0 / 25.0 (100m. if power supply is min. 5V) |
Electrical protections | from inversion of power supply polarity; from short circuit on output port |
ACCESSORIES
DRAWINGS
TYPICAL APPLICATIONS
DOWNLOADS
ORDER FORM
L35
The precision sealed linear encoder L35 is used to convert linear displacements of key machine components into electrical signals containing information about the value and direction of the displacements.
The encoder consists of a glass scale installed into a rigid hollow housing and a ball-bearing-guided reading head. To be able to work in harsh environments (cooling liquid, lubricants and chips), the encoder has two rows of sealing lips. Filtered air can be supplied into the housing of the encoder for extra protection from dust.
Characteristic feature of encoder is a rigid housing that provides better resistance to vibration and higher protection grade due two pairs of sealing lips.
Reference mark can be selected by magnet, which moves in horizontal groove on the front side of encoder (optional).
Three versions of output signals are available:
• L35-A - sinusoidal signals, with amplitude approx. 11 μApp.
• L35-AV- sinusoidal signals, with amplitude approx. 1 Vpp.
• L35-F - square-wave signals, type TTL or HTL (standard RS422) with integrated subdividing electronics for interpolation x1, x2, x5, x10, x25, x50.
MECHANICAL DATA
Measuring lengths (ML), mm | 170; 220; 270; 320; 370; 420; 470; 520; 620; 720; 820; 920; 1020; 1140; 1240; 1340; 1440; 1540; 1640; 1740; 1840; 1940; 2040; 2140; 2240; 2340; 2440; 2540; 2640; 2740; 2840; 2940; 3040; 3140; 3240 |
Accuracy grades to any meter within the ML (at 20°C) | - for ML 170 to 2040 mm: ± 5; ±3; ±2 μm |
Grating period | 20 μm; 40 μm |
Reference marks (RI) | - standard for ML ≤ 1020 mm: 35 mm from both ends of ML |
Max. traversing speed | - when interpolation factor is 1,2,5,10: 1 m/s (shortly 2m/s) |
Required moving force with sealing lips | < 5 N |
Protection (IEC 529) | - without compressed air: IP54 - with compressed air (optional): IP64 |
Weight | 0.4 kg + 2.8 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (40 to 2000 Hz) | ≤ 150 m/s² |
Permissible shock (11 ms) | ≤ 300 m/s² |
ELECTRICAL DATA
Version | L35-A ∫ 11µApp | L35-AV ∫ 1 Vpp | L35-F Π TTL; Π HTL |
Supply voltage | + 5 V ± 5 % / < 90 mA | + 5 V ± 5 % / < 90 mA | + 5 V ± 5 % / < 120 mA; + 12 V ±5% / < 130 mA |
Light source | LED | LED | LED |
Resolution | Depends on external subdividing electronics | Depends on external subdividing electronics | 5; 2.5; 1; 0.5; 0.2; 0.1 μm (after 4 - fold dividing in subsequent electronics) |
Incremental signals | Two sinusoidal I1 and I2 | Differential sine +A / -A and +B / -B Amplitude at 120 kΩ load: - A = 0.6 - 1.2 V - B = 0.6 - 1.2 V | Differential square-wave U1 / U1and U2 / U2. Signal levels at 20 mA load current: |
Reference signal | One quasi-triangular I0 peek per revolution. Signal magnitude at 1 kΩ load: | One quasi-triangular +R and its complementary -R per revolution. Signals magnitude at 120 Ω load: | One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current: |
Maximum operating frequency | 50 kHz (v=1 m/s) | 50 kHz (v=1 m/s) | (50xk) kHz for k = 1, 2, 5, 10 100 kHz for k = 25, 50 |
Direction of signals | I2 lags I | + B lags + A | U2 lags U1 (displacement from left to right and head position down respective glass scale) |
Standard cable length | 3 m; without connector | 3 m; without connector | 3 m; without connector |
Maximum cable length | 5 m | 25 m | 25 m |
ACCESSORIES
DRAWINGS
TYPICAL APPLICATIONS
DOWNLOADS
ORDER FORM
L35T
The precision sealed linear encoder L35T is used to convert linear displacements of key machine components into electrical signals containing information about the value and direction of the displacements.
The encoder consists of a glass scale installed into a rigid hollow housing and a ball-bearing-guided reading head. To be able to work in harsh environments (cooling liquid, lubricants and chips), the encoder has two rows of sealing lips. Filtered compressed air can be supplied into the housing of encoder for extra protection from dust.
Characteristic feature of encoder is a rigid housing that provides better resistance to vibration and higher protection grade due two pairs of sealing lips.
Mounting of encoder on the object is made through two end housings with built-in devices to enhance the thermal stability.
Reference marks can be selected by magnet, which moves in horizontal groove on the front side of encoder (optional).
Three versions of output signals are available:
• L35T-A - sinusoidal signals, with amplitude approx. 11 μApp.
• L35T-AV -sinusoidal signals, with amplitude approx. 1 Vpp.
• L35T-F - square-wave signals, type TTL or HTL (standard RS422) with integrated subdividing electronics for interpolation x1, x2, x5, x10, x25, x50.
MECHANICAL DATA
Measuring lengths (ML), mm | 170; 220; 270; 320; 370; 420; 470; 520; 620; 720; 820; 920; 1020; 1140; 1240; 1340; 1440; 1540; 1640; 1740; 1840; 1940; 2040; 2140; 2240; 2340; 2440; 2540; 2640; 2740; 2840; 2940; 3040; 3140; 3240 |
Accuracy grades to any meter within the ML (at 20°C) | - for ML 170 to 2040 mm: ± 5; ±3; ±2 μm |
Grating period | 20 μm; 40 μm |
Reference marks (RI) | - standard for ML ≤ 1020 mm: 35 mm from both ends of ML |
Max. traversing speed | - when interpolation factor is 1,2,5,10: 1 m/s (shortly 2m/s) |
Required moving force with sealing lips | < 5 N |
Protection (IEC 529) | - without compressed air: IP54 - with compressed air (optional): IP64 |
Weight | 0.4 kg + 2.8 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (40 to 2000 Hz) | ≤ 150 m/s² |
Permissible shock (11 ms) | ≤ 300 m/s² |
ELECTRICAL DATA
Version | L35T-A ∫ µApp | L35-AV ∫ 1 Vpp | L35T-F Π TTL; Π HTL |
Supply voltage | + 5 V ± 5 % / < 90 mA | + 5 V ± 5 % / < 90 mA | + 5 V ± 5 % / < 120 mA; + 12 V ±5% / < 130 mA |
Light source | LED | LED | LED |
Resolution | Depends on external subdividing electronics | Depends on external subdividing electronics |
|
Incremental signals | Two sinusoidal I1 and I2 | Differential sine +A / -A and +B / -B Amplitude at 120 kΩ load: - A = 0.6 - 1.2 V - B = 0.6 - 1.2 V | Differential square-wave U1 / U1and U2 / U2. Signal levels at 20 mA load current: |
Reference signal | One quasi-triangular I0 peek per revolution. Signal magnitude at 1 kΩ load: | One quasi-triangular +R and its complementary -R per revolution. Signals magnitude at 120 Ω load: | One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current: |
Maximum operating frequency |
| 50 kHz (v=1 m/s) | (50xk) kHz for k = 1, 2, 5, 10 100 kHz for k = 25, 50 |
Direction of signals | I2 lags I | + B lags + A | U2 lags U1 (displacement from left to right and head position down respective glass scale) |
Standard cable length | 3 m; without connector | 3 m; without connector | 3 m; without connector |
Maximum cable length | 5 m | 25 m | 25 m |
ACCESSORIES
DRAWINGS
TYPICAL APPLICATIONS
DOWNLOADS
ORDER FORM
L37
The precision sealed linear encoder L37 is used to convert linear displacements of key machine components into electrical signals containing information about the value and direction of the displacements.
The encoder consists of a glass scale installed into a rigid hollow housing and a ball-bearing-guided reading head. To be able to work in harsh environments (cooling liquid, lubricants and chips), the encoder has two rows of sealing lips. Filtered air can be supplied into the housing of the encoder for extra protection from dust. The photoelectric unit of the reading head generates sinusoidal micro-current or square-wave output signals.
Characteristic feature of encoder is a rigid housing that provides better resistance to vibration and higher protection grade due to two pairs of sealing lips.
L37 is fixed to the mounting surface at the midpoint. Reproducible thermal behavior is permitted by flexible fastening elements.
Reference mark can be selected by magnet, which moves in horizontal groove on the front side of encoder (optional).
Three versions of output signals are available:
- L37-А - sinusoidal signals, with amplitude approx. 11 μApp, require an external subdividing electronics.
- L37-АV- sinusoidal signals, with amplitude approx. 1 Vpp, require an external subdividing electronics.
- L37-F - square-wave signals, type TTL or HTL (standard RS422) with integrated subdividing electronics for interpolation x1, x2, x5, x10, x25, x50.
MECHANICAL DATA
Measuring lengths (ML), mm | 140; 240; 340; 440; 540; 640; 740; 840; 940; 1.040; 1.140; 1.240; 1.340; 1.440; 1.540; 1.640; 1.740; 1.840; 2.040; 2.240; 2.440; 2.640; 2.840; 3.040; 3.240 |
Accuracy grades to any meter within the ML (at 20°C) | - for ML 140 to 2040 mm: ± 5; ± 3 (optional) |
Grating period | 20 μm; 40 μm |
Reference marks (RI) | - every 50 mm. |
Max. traversing speed | - when interpolation factor is 1,2,5,10: 1 m/s (shortly 2m/s) |
Required moving force with sealing lips | < 5 N |
Protection (IEC 529) | - without compressed air: IP54 - with compressed air (optional): IP64 |
Weight | 0.4 kg + 2.8 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (40 to 2000 Hz) | ≤ 150 m/s² |
Permissible shock (11 ms) | ≤ 300 m/s² |
ELECTRICAL DATA
Version | L37-A 11µApp | L37-AV 1Vpp | L37-F TTL; HTL |
Supply voltage | + 5 V ± 5 % / < 90 mA | + 5 V ± 5 % / < 120 mA | + 5 V ± 5 % / < 120 mA; + 12 V ±5% / < 130 mA |
Light source | LED | LED | LED |
Resolution | Depends on external subdividing electronics | Depends on external subdividing electronics | 5; 2.5; 1; 0.5; 0.2; 0.1 μm (after 4 - fold dividing in subsequent electronics) |
Incremental signals | Two sinusoidal I1 and I2 | Differential sine +A / -A and +B / -B Amplitude at 120 kΩ load: - A = 0.6 - 1.2 V - B = 0.6 - 1.2 V | Differential square-wave U1 / U1and U2 / U2. Signal levels at 20 mA load current: |
Reference signal | One quasi-triangular I0 peek per revolution. Signal magnitude at 1 kΩ load: | One quasi-triangular +R and its complementary -R per revolution. Signals magnitude at 120 Ω load: | One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current: |
Maximum operating frequency | 50 kHz (v=1 m/s) | 50 kHz (v=1 m/s) | (50xk) kHz for k = 1, 2, 5, 10 100 kHz for k = 25, 50 |
Direction of signals (displacement from left to right) | I2 lags I | + B lags + A | U2 lags U1 (displacement from left to right and head position down respective glass scale) |
Standard cable length | 3 m; without connector | 3 m; without connector | 3 m; without connector |
Maximum cable length | 5 m | 25 m | 25 m |
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L50
Modular photoelectric sealed linear encoder L50 has measuring length from 3240 mm up to 30040 mm.
The encoder is used to convert linear displacements of key machine components into electrical signals containing information about the value and direction of the displacement.
The encoder determines position by detecting light reflected of a metal band. Metal band with 40 μm pitch scale is fixed in rigid aluminium housing with protection lips.
The encoder consists of several separate rigid modules with length up to 2.0 m, which are joined together, and reading head.
Two versions of output signals are available:
•- L50-AV - Sinusoidal signals, with amplitude approx. 1 Vpp, require external
• subdividing electronics. Resolution 0.1 μm is possible with respective external electronics.
•- L50-F - Square-wave signals, with integrated subdividing electronics for interpolation x1, x2, x5, x10.
MECHANICAL DATA
Measuring lengths (ML), mm | from 3240 up to 30040 (length of each module with steps 200 mm) |
Accuracy grades to any meter within the ML (at 20°C) | ± 10 μm/m |
Grating period | 40 μm |
Reference marks (RI) | - C: at coded distance 80 mm |
Max. traversing speed | 1 m/min |
Required moving force with sealing lips | < 6 N |
Protection (IEC 529) | - without compressed air: IP53 - with compressed air (optional): IP64 |
Weight | 1.8 kg + 3.3 kg/m |
Operating temperature | 0...+50°C |
Storage temperature | -20...+70°C |
Permissible vibration (40 to 2000 Hz) | ≤ 100 m/s² |
Permissible shock (11 ms) | ≤ 300 m/s² |
Coefficient of therman expansion | 10.6 x 10-6 °C |
ELECTRICAL DATA
Version | L50-AV ∫ 1 Vpp | L50-F Π TTL |
Supply voltage | + 5 V ± 5 % / 100 mA (120 Ω) | + 5 V ± 5 % / 150 mA (120 Ω) |
Light source | LED | LED |
Resolution | up to 0.1 µm depending on external subdividing electronics | 10; 5; 1; 0.5 μm (after 4 - fold dividing in subsequent electronics) |
Incremental signals | Differential sine +A / -A and +B / -B Amplitude at 120 kΩ load: - A = 0.6 - 1.2 V - B = 0.6 - 1.2 V | Differential square-wave U1 / U1 and U2 /U2. Signal levels at 20 mA load current: |
Reference signal | Quasi-triangular R magnitude at 120 Ω load: | One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current: |
Direction of signals | B lags A at reading head displacement from left to right | U2 lags U1 at reading head displacement from left to right |
Standard cable length | 4 m | 4 m |
Maximum cable length | 150 m | 50 m |
ACCESSORIES
DRAWINGS
TYPICAL APPLICATIONS
DOWNLOADS
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二、实物图、安装方法及使用注意事项:
1、precizika立陶宛光栅尺实物图:
2、precizika立陶宛光栅尺安装指导
光栅尺线位移传感器的安装比较灵活,可安装在机床的不同部位。
*般将主尺安装在机床的工作台(滑板)上,随机床走刀而动,读数头固定在床身上,尽可能使读数头安装在主尺的下方。其安装方式的选择必须注意切屑、切削液及油液的溅落方向。如果由于安装位置限制必须采用读数头朝上的方式安装时,则必须增加辅助密封装置。另外,*般情况下,读数头应尽量安装在相对机床静止部件上,此时输出导线不移动易固定,而尺身则应安装在相对机床运动的部件上(如滑板)。
光栅尺线位移传感器安装基面
安装光栅尺传感器时,不能直接将传感器安装在粗糙不平的机床身上,更不能安装在打底涂漆的机床身上。光栅主尺及读数头分别安装在机床相对运动的两个部件上。用千分表检查机床工作台的主尺安装面与导轨运动的方向平行度。千分表固定在床身上,移动工作台,要求达到平行度为0.1mm/1000mm以内。如果不能达到这个要求,则需设计加工*件光栅尺基座。
基座要求做到:(1)应加*根与光栅尺尺身长度相等的基座(基座长出光栅尺50mm左右)。(2)该基座通过铣、磨工序加工,其平面平行度0.1mm/1000mm以内。另外,还需加工*件与尺身基座等*的读数头基座。读数头的基座与尺身的基座总共误差不得大于±0.2mm。安装时,调整读数头位置,达到读数头与光栅尺尺身的平行度为0.1mm左右,读数头与光栅尺尺身之间的间距为1~1.5mm左右。
光栅尺线位移传感器主尺安装
将光栅主尺用M4螺钉上在机床安装的工作台安装面上,但不要上紧,把千分表固定在床身上,移动工作台(主尺与工作台同时移动)。用千分表测量主尺平面与机床导轨运动方向的平行度,调整主尺M4螺钉位置,使主尺平行度满足0.1mm/1000mm以内时,把M2螺钉上紧。
在安装光栅主尺时,应注意如下三点:
(1) 在装主尺时,如安装超过1.5M以上的光栅时,不能象桥梁式只安装两端头,尚需在整个主尺尺身中有支撑。(2)在有基座情况下安装好后,用*个卡子卡住尺身中点(或几点)。(3)不能安装卡子时,用玻璃胶粘住光栅尺身,使基尺与主尺固定好。
光栅尺线位移传感器读数头的安装
在安装读数头时,*先应读数头的基面达到安装要求,然后再安装读数头,其安装方法与主尺相似。后调整读数头,使读数头与光栅主尺平行度在0.1mm之内,其读数头与主尺的间隙控制在1~1.5mm以内。
光栅尺线位移传感器限位装置
光栅线位移传感器全部安装完以后,*定要在机床导轨上安装限位装置,以免机床加工产品移动时读数头冲撞到主尺两端,从而损坏光栅尺。另外,用户在选购光栅线位移传感器时,应尽量选用超出机床加工尺寸100mm左右的光栅尺,以留有余量。
光栅尺线位移传感器检查
光栅线位移传感器安装完毕后,可接通数显表,移动工作台,观察数显表计数是否正常。
在机床上选取*个参考位置,来回移动工作点至该选取的位置。数显表读数应相同(或回零)。另外也可使用千分表(或百分表),使千分表与数显表同时调至零(或记忆起始数据),往返多次后回到初始位置,观察数显表与千分表的数据是否*。
通过以上工作,光栅尺线位移传感器的安装就完成了。但对于*般的机床加工环境来讲,铁屑、切削液及油污较多。因此,传感器应附带加装护罩,护罩的设计是按照传感器的外形截面放大留*定的空间尺寸确定,护罩通常采用橡皮密封,使其具备*定的防水防油能力。
3、precizika立陶宛光栅尺使用注意事项
(1)光栅尺传感器与数显表插头座插拔时应关闭电源后进行。
(2)尽可能外加保护罩,并及时清理溅落在尺上的切屑和油液,严格防止任何异物进入光栅尺传感器壳体内部。
(3)定期检查各安装联接螺钉是否松动。
(4)为延长防尘密封条的寿命,可在密封条上均匀涂上*薄层硅油,注意勿溅落在玻璃光栅刻划面上。
(5) 为光栅尺传感器使用的可靠性,可每隔*定时间用酒*清洗擦拭光栅尺面及指示光栅面,保持玻璃光栅尺面清洁。
(6) 光栅尺传感器严禁剧烈震动及摔打,以免破坏光栅尺,如光栅尺断裂,光栅尺传感器即失效了。
(7) 不要自行拆开光栅尺传感器,更不能任意改动主栅尺与副栅尺的相对间距,否则*方面可能破坏光栅尺传感器的*度;另*方面还可能造成主栅尺与副栅尺的相对摩擦,损坏铬层也就损坏了栅线,以而造成光栅尺报废。
(8) 应注意防止油污及水污染光栅尺面,以免破坏光栅尺线条纹分布,引起测量误差。
(9) 光栅尺传感器应尽量避免在有严重腐蚀作用的环境中工作,以免腐蚀光栅铬层及光栅尺表面,破坏光栅尺质量。
三、常见故障及维修内容:
1、“软断线”报警。
2、移动机床某*轴时发生“跟随误差过大”报警。
3、机床某*轴移动时机床震动比较厉害数据不平稳。
4、光栅尺找不到原点(也称零点或参考点)。
5、在使用过程中产生25000异常报警。
6、机床某*轴光栅尺在测量过程中数据丢失或计数不准。
7、开机后,出现某*轴正反方向运动正常,但机床无法进行回参考点。
8、机床出现某*轴缓慢向正方向运动,系统无报警。
9、某*轴在回参考点不准的现象,但是使用半闭环回参考点*。
10、光栅尺出现“445”报警。
11、当某*轴执行返参考点指令时,出现1160报警。
12、光栅尺不计数或者计数不准。
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四、产品销售、维修及网点:
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保修*年(除天灾、电压不稳定、人为使用不当不保修)
JSC Precizika Metrology普瑞斯卡*成立于1991年,是欧洲立陶宛与美国的*家合资*,历史。从事设计、生产各种编码器、光栅及光栅制品。PRECIZIKA的直线光栅和码盘是欧美多数主流光栅尺和编码器厂家的*关键部品,同时PRECIZIKA给他们做部分光栅尺和旋转编码器的OEM产品。PRECIZIKA产品的特点是*度*,分辨率*,质量稳定,*有系列光栅尺和编码器产品都具有方波和正弦波两种输出方式可选择。PRECIZIKA产品在数控机床、转台、测量仪器及各种自动化领域内应用广泛。立陶宛普瑞斯卡PRECIZIKA编码器
产品范围:立陶宛普瑞斯卡PRECIZIKA编码器
立陶宛普瑞斯卡PRECIZIKA光栅、普瑞斯卡PRECIZIKA直线光栅尺、普瑞斯卡PRECIZIKA编码器、普瑞斯卡PRECIZIKA、普瑞斯卡PRECIZIKA旋转编码器、普瑞斯卡PRECIZIKA角度编码器、普瑞斯卡PRECIZIKA数显表、普瑞斯卡PRECIZIKA编码盘
主要型号:
A28、A36、A42M、A75M、AK50、A58、AK58、A58H、A58H1、A58HE、A58HM、A90H、A110、A170、A170H、AM36、AM58、L18、L18B、L18C、L18T、L23、LK24、L35、L35T、L50、MT、CMT、PCMT、CS 3000-3、CS 5500
苏州泽升*密机械仪器有限**经销立陶宛普瑞斯卡PRECIZIKA光栅、普瑞斯卡PRECIZIKA直线光栅尺、普瑞斯卡PRECIZIKA编码器、普瑞斯卡PRECIZIKA、普瑞斯卡PRECIZIKA旋转编码器、普瑞斯卡PRECIZIKA角度编码器、普瑞斯卡PRECIZIKA数显表、普瑞斯卡PRECIZIKA编码盘。欢迎有需求的客户前来咨询、洽谈!
苏州泽升*密机械仪器有限*是*家集研发、工程、销售、技术服务于*体的现代化企业,是*自动化领域具竞争力的设备供应商。*主要经营欧美和日韩 等发达*的机电*体化设备、*分析检测仪器、环境与新能源工业设备及电动工具等工控自动化产品。 凭借**的技术与商务团队, *在为客户带来*产品的同时还可提供自动化工程技术服务及成套解决方案。
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