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5.2.4
RS485-Bus connection X6
A shielded 2-core twisted-conductor cable is recommended. Connect
one conductor to -X5/A (signal A) and one conductor to -X5/B (signal B)
using screw-type terminals, or connect the standard bus cable e.g.
7XV5103 to the 9-pin subD socket. To guarantee a trouble-free use of
the converter according to the specified characteristics, set the cable
screen on one side of the cable to the earth potential.
If possible, use a metallic SUB-D connector on the opposite side to
connect to the earth potential. If this is not possible connect the cable
screen on a screen track or a earhted mounting track with a fitting clamp.
5.3
Commissioning
•
Clip the signal converter on the top–hat rail according
EN 50022 with the help of clip-on mounting. Do not make any
changes at the device.
•
Check whether the operation data comply with the values on the
rating plate. Not change any DIP-switch at the device, before
reading this manual.
•
Connect FO cable to FO receiver (Rx) and FO transmitter (Tx) with
the help of ST-plugs. Be carefull when connecting the FO plugs and
avoid any dust at the FO – connections.
•
Connect to RS485 terminals and screw them for permanent use.
•
Connect the alarm relay terminals X7.
•
Connect auxiliary power to the terminals X2 (DC: L+ / AC: L1 and
DC: L- / AC: N).
•
The device is ready for use after switching on the auxiliary power.
The green LED `RUN´ lights up.
5.4
Maintenance
The signal converter requires no maintanance. For cleaning please use
a dry and free of fuzz rag. Put the caps onto the FO-interfaces to avoid
dust pollution and interference from sun light or any artifical light source.
Do not use any liquid agents or substances for cleaning.
Page 24 of 28
RS485-FO Converter 2-channel
12.10.2006
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