GE 90-30 PLC Series Installation And Hardware Manual page 133

5
Pin Assignments for CPU351, CPU352, and CPU363 Serial Ports 1 & 2
The following two tables describe the pin assignments for each of the two front panel serial ports
on the CPU351, CPU352, and CPU363.
Table 5-6. Port 1 (RS-232)
Table 5-7. Port 2 (RS-485)
5-22 Series 90-30 PLC Installation and Hardware Manual – August 2002
Pin Signal
Number Name
1 CTS
2 TXD
3 0V
4 0V
5 RXD
6 RTS
Pin Signal
Number Name
1 Shield
2 NC
3 NC
4 NC
5 +5VDC
6 RTS(A)
7 SG
8 CTS(B')
9 RT
10 RD(A')
11 RD(B')
12 SD(A)
13 SD(B)
14 RTS(B')
15 CTS(A')
* Note that Pin 5 provides Isolated +5 VDC power (100 mA maximum) for
powering external options.
Description
Clear To Send
Transmit Data
Signal Ground
Signal Ground
Receive Data
Request to Send
Description
Cable Shield
No Connection
No Connection
No Connection
Logic Power *
Differential Request to Send
Signal Ground
Differential Clear To Send
Resistor Termination
Differential Receive Data
Differential Receive Data
Differential Send Data
Differential Send Data
Differential Request To Send
Differential Clear To Send
GFK-0356Q