User`s manual

170 INT 110 03
88
Technical Data
General data General technical data
Potential
isolation
Potential isolation at bus interface:
Identification of
Errors
Error identification:
Fuses Fuses:
INTERBUS data
interface
Interface configuration:
Supply 5 VDC / 250 mA (from I/O unit)
Current consumption < 200 mA with 5 V (supplied from I/O unit)
without fiber optic adapter
< 400 mA with 5 V (supplied from I/O unit)
with 2 fiber optic adapters
Power loss 0.8 W (typical) without fiber optic adapter
Incoming remote bus Potentially isolated from other logic
Outgoing remote bus No potential isolation
Data exchange Red LED for bus errors (RD) and error messages from the I/O
unit (module error)
Supply voltage Vcc Internal (for bus adapter) - none
External (for I/O unit) - in compliance with guidelines set out in
the description of the corresponding I/O unit
RS 485 see Preparation of the Remote Bus Cable, using Copper Wiring,
p. 39