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control – motion –
Optical fibre modules for transmission of SSI encoder
Transmitter-Module
LW217
LW217-1
Receiver Module
LW218
LW218-1
LW21702b_e.doc / Feb-14
interface
LW217 – LW218
or sensor signals
Module type
Input level
Transmitter
RS422
Transmitter
RS422
Module type
Output level
Receiver
RS422
Receiver
RS422
Operating instructions
Power Supply
5 VDC (± 5 %)
10 – 30 VDC
Power supply
5 VDC (± 5 %)
10 – 30 VDC
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Table of Contents
Related Manuals for Genesis Automation moTrona LW217
Summary of Contents for Genesis Automation moTrona LW217
- Page 1 control – motion – interface LW217 – LW218 Optical fibre modules for transmission of SSI encoder or sensor signals Transmitter-Module Module type Input level Power Supply LW217 Transmitter RS422 5 VDC (± 5 %) LW217-1 Transmitter RS422 10 – 30 VDC Receiver Module Module type Output level...
- Page 2 Safety Instructions This manual is an essential part of the unit and contains important hints about function, correct handling and commissioning. Non-observance can result in damage to the unit or the machine or even in injury to persons using the equipment! ...
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Page 3: Table Of Contents
Table of Contents 1. Description ....................4 2. Electrical and optical connections..............5 2.1. Pin Assignment LW217 (transmitter) ..............5 2.2. Pin Assignment LW218 (receiver) .................6 2.3. Electrical connections ...................7 2.4. Optical connections....................8 3. Operation and LED-function ................. 8 3.1. LW217 (transmitter) ....................8 3.2. -
Page 4: Description
1. Description The optical fibre modules LW217 and LW218 form together a transmission system for data transmission of industrial signals by means of optical fibres. The system is made of an optical fibre transmitter and of an optical fibre receiver. The optical fibre transmitter module converts the electrical data of a usual sensor or encoder equipped with a synchronous serial interface (SSI) into optical fibre signals. -
Page 5: Electrical And Optical Connections
The optical fibre cable can be routed through explosive areas. 2. Electrical and optical connections 2.1. Pin Assignment LW217 (transmitter) 11-pin connector Signal Description 0 V (GND) Power supply + Ub Clock to encoder/sensor Data from encoder/sensor /Error Not connected Not connected Not connected Connection for the cable shield... -
Page 6: Pin Assignment Lw218 (Receiver)
2.2. Pin Assignment LW218 (receiver) 11-pin connector Signal Description 0 V (GND) Power supply + Ub Data to end device Clock from end device /Error Not connected Not connected Not connected Connection for the cable shield 2-pin connector Signal Description 0 V (GND) Power supply + Ub... -
Page 7: Electrical Connections
2.3. Electrical connections As a principle, the input and output lines always must be routed as a pair, i.e. both wires of a signal must be routed in twisted pair cables. The use of bundle wires (called control cables) is not allowed, since this could not guarantee the correct transmission of the signal, nor the EMC features. -
Page 8: Optical Connections
2.4. Optical connections Connecting the modules together may be carried out using a cord set multimode optical fibre cables of motrona or alternatively any multimode optical fibre cable 50/125 µm or 62.5/125 µm. Single-mode optical fibre cables cannot be used. Please keep the dust protection covers of the optical transmitters and receivers, and put them back in place when no optical fibre cable is connected to the modules, in order to avoid any soiling by dust or any other substance. - Page 9 DIP – SW2 Width between the clock pulse packages 20 µs 40 µs On behalf of a fast data update the lower time has to be selected if the monoflop time of the sensor/encoder allows this adjustment. The value selected by the switch has to be greater than the monoflop time of the sensor or encoder.
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Page 10: Lw218 (Receiver)
3.2. LW218 (receiver) The LW - receiver requires no settings. The number of encoder clock pulses (0 or 99) is set at the LW - transmitter and transmitted to the LW - receiver in addition to the data package. Care must simply be taken in order to set the right number of pulses on the connected controller to enable it to read the LW receiver data. -
Page 11: Dimensions And Technical Characteristics
4. Dimensions and technical characteristics 4.1. Dimension drawing: 19,0 75,0 92,3 LW21702b_e.doc / Feb-14 Page 11 / 12... -
Page 12: Technical Characteristics
4.2. Technical characteristics Designation Characteristic Construction Housing for DIN rail mounting acc. to EN 50 022 Dimensions (W x L H) 19.0 x 110.4 x 92.3 mm Housing Colour: Green, RAL 7018 Protection: IP 40, terminals IP 20 ST connector, 9 mm, Optical fibre connection on the bottom side of the housing Protected against contact,...
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