ABB S800 I/O User Manual page 53

For modules with special LED indications see respectively modules in
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Power supply cables >600V
Distance 30 cm
Own power supply cables
process I/O cables
Cables for communication with
modems = long distance bus
(isolated)
Video cables
Pulse transmission
Distance 10 cm
Cables for communicating without
modems = short distance bus
(RS232, RS422)
Distance 30 cm
Power supply cables >600V
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