Schneider Electric INTERBUS Basic Manual do Utilizador descarregar pdf (Página 88)

170 INT 110 03

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

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Schneider Electric INTERBUS Basic Manual do Utilizador Página 88