Caution – IAI America RCM-GW-PR User Manual
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PfofiBus Gateway
[6] The ProfiBus gateway connector should be the D-sub, 9-pin (female) connector recommended by the
ProfiBus DP Standard under EN 50170, as shown below.
The network connectors are not supplied.
Pin No.
Signal name
Description
1 NC
Not
connected
2 NC
Not
connected
3
B-Line
Communication line B (Positive side)
4 NC
Not
connected
5 GND
Signal
ground
6 +5V
+5-V
output
7 NC
Not
connected
8
A-Line
Communication line A (Negative side)
9 NC
Not
connected
Housing Shield
Cable
shield
Caution
The ProfiBus gateway has a built-in terminal resistor setting switch. If the ProfiBus gateway becomes
a terminal module on the network, turn this terminal resistor setting switch ON. If the ProfiBus gateway
is not a terminal module or an external terminal connector is used, turn the switch OFF.