Dräger REGARD 3900 Serie Instrucciones De Uso página 64

Installation & commissioning
Ribbon cable
Connect the standard ribbon cable to the display PCB and to all control modules.
The display PCB, relay modules and output modules do not need a separate DC
power supply.
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For the REGARD 3910, non-standard cable lengths are available at Dräger.
The maximum permissible length of the ribbon cable is 2 m.
5.7 Connecting remote sensor transmitters
The wiring diagrams in this chapter show the general wiring for remote sensor
transmitters. Specific details on the remote terminals, including terminal marking,
colour coding, labelling, etc., can be found in the Instructions for Use for the remote
sensor transmitter.
The following is to be observed for all transmitter types:
– The cable cross-section for connecting the transmitter is limited to a maximum of
2 2
2.5 mm and 0.5 mm .
– Use a shielded cable if this is required for the transmitter.
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REGARD 3900