Connection
5.5 Connecting the communications module
SIMATIC RF185C, RF186C, RF188C, RF186CI, RF188CI
Operating Instructions, 04/2020, C79000-G8976-C512-03
41
Requirement
Only wire the communication module when the supply voltage is switched off.
Required tools
When using preassembled cables, you need the following tool:
● Torque wrench set (e.g. from Peres; M12/M8, can be set; PER091) for wiring the reader
connections
Note
Using preassembled cables
When connecting the
supply voltage, we recommend the cables specified in the section
Ordering data (Page 196)" (4 x 1.5 mm
2
preassembled).
If you want to make the c
able yourself, ensure that the conductor cross-section matches the
system setup or the corresponding protection (1.5
mm
2
).
When using cables that are not preassembled, you need the tool for the specific
cable/connector, for example, an insulation stripper, screwdriver or Allen wrench.
Accessories required
You need the following accessories:
● for the reader connection
M12 plug (8-pin, A-coded) and 6-wire cable (6 x 24 AWG)
● for connecting digital inputs/outputs
M12 plug (3-pin, A-coded) and 3-wire cable (3 x 22 AWG) or
M12 plug (5-pin, A-coded) and 5-wire cable (5 x 22 AWG)
● for connecting the power supply
M12 plug (4-pin, L-coded) and 4-wire cable (4 x 1.5 mm
2
)
● for PROFINET IO connection
M12 plug (4-pin, D-coded) and 4-wire Ethernet cable (Twisted Pair, shielded)
You can find the associated article numbers in the section "Ordering data (Page 196)".
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