Section 2 Installation
Installing PM891 in Single Configuration
3BSE036351-510 A
89
COM4 Port
The COM4 port is an RS-232C port, opto-isolated and without modem signals.
Connect the Control Builder to this port when connecting directly to the controller,
or, when not required, without the need use the remote tool connection through the
Control Network.
Table 9. PM891 COM4 Connections (RJ45 connector)
Pin
Designation
Direction
Description
1
–
–
Not used
2
–
–
Not used
3
TD
Out
Transmit Data
4
0 V
–
Signal ground
5
0 V
–
Signal ground
6
RD
In
Receive Data
7
–
–
Not used
8
–
–
Not used
Housing
Shield
–
Shield
Содержание AC 800M
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