Genesis Automation LW213, LW213-1, LW213-3, LW213-2, LW215 Operating Instructions Manual
...
control – motion – interface
Transmitter
-
Module
Transmitter
-
Module
Input level
Power Supply
LW213
LW215
RS422
5 Vdc (± 5
%)
LW213
-1LW215
-1RS422
10–30 Vdc
LW213
-2LW215
-2HTL (Push
-
pull)
10–30 Vdc
LW213
-3LW215
-3HTL (Push
-
pull/Single
-
ended)
10–30 Vdc
Receiver
-
Module
Receiver
-
Module
Input level
Power Supply
LW214
LW216
RS422
5 Vdc (± 5%)
LW21
4-1
LW216
-1RS422
10–30 Vdc
LW214
-2LW216
-2HTL (Push
-
pull)
10–30 Vdc
LW213 – LW214 (1300 nm)
LW215 – LW216 (850 nm)
Optical Fiber Modules for Transmission of Incremental
Encoder or Sensor Signals
(1300 nm)
(1300 nm)
(850 nm)
(850 nm)
Operating instructions
LW21501d_e.doc / Feb-13 Page 1 / 9
Safety Instructions
Version:
Description
LW21501a/pp/01_2012
First edition
LW21501b
/pp/09_2012
Enhanced by LW213
-
LW214
;
L
W21501c/pp/11_2012
Small Changes
L
W21501
d
/pp/
02
_201
3
Implementation of
n
ew product
photo
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!
The unit must only be installed, connected and activated by a qualified electrician
It is a must to observe all general and also all country-specific and application-
specific safety standards
When this unit is used with applications where failure or maloperation could cause
damage to a machine or hazard to the operating staff, it is indispensable to meet
effective precautions in order to avoid such consequences
Regarding installation, wiring, environmental conditions, screening of cables and
earthing, you must follow the general standards of industrial automation industry
- Errors and omissions excepted –
General instructions for cabling, screening and grounding can be found in the
SUPPORT section of our website http://www.motrona.com
Changed dimension and color for all modules
LW21501d_e.doc / Feb-13 Page 2 / 9
Table of Contents
1. Description .................................................................................................. 4
2. Electrical and Optical Connections............................................................... 5
2.1. Pin Assignment......................................................................................................5
2.2. Electrical Connections...........................................................................................6
2.3. Optical Connections ..............................................................................................7
3. LED Function................................................................................................ 7
4. Dimensions and Technical Characteristics ................................................... 8
4.1. Dimensional Drawing:...........................................................................................8
4.2. Technical Characteristics ......................................................................................9
LW21501d_e.doc / Feb-13 Page 3 / 9
1. Description
The optical fiber modules LW213/LW214 and LW215/LW216 form together a transmission system
for data transmission of industrial signals by means of optical fibers.
Both, transmitter and receiver modules, provide four channels which are completely independent
of each other, with differential inputs and outputs. All four channels allow the transmission of
signals with a maximum data rate of 2 Mbit/s. With their technical features, the optical fiber
modules are intended for the transmission of signals from incremental encoders and sensors.
Differential signals with RS-422 or Push-pull HTL levels from other sources may also be connected
to these devices.
The modules are available with various wave lengths, level and supply voltage variants.
The optical fiber modules are mainly used for signal transmission in environments with strong
electromagnetic interference, or when a potential separation is necessary due to high ground
potential differences between signal source and signal processing equipment.
High ground potential differences generally appear in applications with long distances between
the encoder/sensors and the PLC or any other processing electronics.
The optical fiber cable is failure-safe: it does not constitute any danger in case of damage. Since
the light-emitting component used is not a laser, but a light-emitting diode, the transmission line
is totally safe, even when looking directly into the opened connector or into the broken glass
fiber.
If necessary, a level conversion can be linked with the potential separation without problem.
Since all devices use the same signal transmission protocol on the optical fiber cable, any
transmitter can be combined with any receiver.
The optical fiber cable can be routed through explosive areas.
With 850 nm wave length, signals can be transmitted up to 2000 meters wide,
and with 1300 nm wave length up to 3000 meters wide.
LW21501d_e.doc / Feb-13 Page 4 / 9
2. Electrical and Optical Connections
Pin
Description
1
0 V (GND),
power supply
input
2+Ub,power supply
input
Pin
Description
1
0 V (GND)
,
encoder supply
output
(transmitter
only
)2+Ub,
encoder supply
outpu
t
(transmitter
only
)3Channel A
4
Channel /A
5
Channel B
6
Channel /B
7
Channel 0 or C
8
Channel /0 or /C
9
Channel D
10
Channel /D
11
Cable shield
connector
2.1. Pin Assignment
2-pin terminal:
11-pin terminal:
If the encoder does not have a separate power supply, pins 1 and 2 of the transmitter’s
11-pin terminal can be used to supply the encoder, provided that the encoder has the same
voltage class as the module.
On the receiver module the power supply can be applied to either the 2-pin terminal or to
pins 1 and 2 of the 11-pin terminal.
All pin assignments are identical for the transmitter and receiver modules.
LW21501d_e.doc / Feb-13 Page 5 / 9
2.2. Electrical Connections
As a principle, the input and output lines always must be routed pairwise, i.e. both wires of a
differential signal must be routed in a twisted pair of cables. The use of bundle wires (called
control cables) is not allowed, since this will not guarantee correct signal transmission nor EMC
compliance.
The cable shield must be connected at both ends, at the encoder and the optical fiber
transmitter, and at the optical fiber receiver and the signal processing device. The optical fiber
transmitter and receiver are equipped with the additional ground pin 11 for this purpose.
For the modules with RS-422 output (LW214/LW214-1/LW216 and LW216-1),
please make sure that the signal receiver provides a differential input with an
input resistance of 100 – 120 ohms.
For modules LW214-2 and LW216-2, this value must be 2 kohms.
If there are no specific requirements for the output signals of the receiver modules (e.g. low
transmission frequencies in the lower kHz range), the outputs may be operated as single-pole
TTL or HTL outputs. However, the correct operation of this application must be checked on a
case-by-case basis, and it is not supported by the manufacturer.
All modules are protected against reversed polarity, in order to avoid damage in case of wrong
polarity of the power supply.
The outputs of the modules are only conditionally short-circuit proof; therefore please avoid
imperatively short-circuits between modules or with the earth.
Exceeding the supply voltage of the modules LW213, LW214, LW215 and LW216 above a value
of about 6 V provokes destruction of the fuse located inside of the device and must thus be
avoided.
For the modules LW213-1, LW213-2, LW213-3, LW215-1, LW215-2, LW215-3, LW214-1,
LW214-2, LW216-1 and LW216-2, this value is 33 V.
The fuse can only be replaced in the manufacturer’s factory. Any attempt to
repair the device will void the warranty.
LW21501d_e.doc / Feb-13 Page 6 / 9
2.3. Optical Connections
For connection of the modules a cord set of multimode optical fiber cables assembled by
motrona can be used. Alternatively any multimode optical fiber cable 50/125 µm or 62.5/125
µm will be suitable.
Single-mode optical fiber 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 fiber cable is connected to the modules, in order to avoid any
soiling by dust or any other substance.
Make sure here that the connector of the optical fiber cable is correctly in place
and that the bayonets catch is locked.
It must also be noted that the ST connector in use is indexed and has an
orientation spigot which must engage the slots of the optical emitter and of the
optical receiver. Please never force!
3. LED Function
The green control LED of the transmitter must be on when the modules are connected correctly
by means of a proper cable. The green LED of the receiver must also be on.
If the LED of the module is not on, make sure that the supply voltage is applied and that it is
connected with the right polarity.
If the LED of the receiver module blinks, the optical fiber cable is not connected or broken.
LW21501d_e.doc / Feb-13 Page 7 / 9
4. Dimensions and Technical Characteristics
75,0
19,0
75.0 mm (2.953‘‘)
19.0 mm (0.748‘‘)
92.3 mm (3
.634‘‘)
21.7 mm
(0.854‘‘)
110.8 mm (4.362‘‘)
73,5 mm (2,894‘‘)
19.0 mm
4.1. Dimensional Drawing:
21,7
110,8
(0.748‘‘)
73,5
19,0
92,3
LW21501d_e.doc / Feb-13 Page 8 / 9
4.2. Technical Characteristics
Designation
Characteristic
Construction
Housing for DIN rail mounting acc.
T
o EN 50 022
Dimensions (W x L
xH)19.0 x 110
.
8 x 92
.
3 mm
(0.748 x 4.362 x 3.634‘‘)
Housing
Color
:
Green, RAL 6018
Protection
class:
IP 40, terminals IP 20
Protected against
unintended
contact,
Glass
fiber
Multimode
fiber
, 50/125 µm, 62.5/125 µm
Max. opt
ical transmission distance
with wave
Max. optical transmission distance with wave
LED is on when the
synchronization
is set and
Input signals sampling rate
10 M
s
amples/s
Supply voltage
10–30 V or 5 V ± 5%
Power consumption per module
< 2 W
Operating voltage
Elec
trical inputs of the transmitter and
Channels A, B, C, D with inputs and outputs
Max. input frequency
–
optical
fiber
transmitter
Conver
sion time per module
max. 300ns
Input level
-
optical
fiber
transmitter
10-30 V or RS 422
Optical wavelength
850 nm respectively 1300 nm (multimode)
Optical transmission rate
120 MBit/s
Operating temperature range
-
10 °C to +70 °C
(10 °F to 150 °F)
Noise immunity:
EN 61000
-6-
2 : 2006
Noise emission:
EN 55011 Class B
Optical fiber connection:
Terminals:
length 850 nm
length 1300 nm
Optical fiber synchronization display
reverse connection protection
ST connector,9 mm,
on the bottom side of the housing
max. conductor diameter: 2.5 mm²
2000 m (approx. 6,500 feet)
3000 m (approx. 10,000 feet)
blinks when the synchronization is lost or the
optical fiber cable is broken
available
electrical outputs of the receiver
and output frequency – optical fiber receiver
A, /A, B, /B, C, /C and D, /D
1 MHz
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