GE GFK-1852 - Manual (Page 59)

6-12 VersaMax Serial to Ethernet Adapter User's Manual – July 2000 GFK-1852
6
15-Pin, D-Sub PLC Serial Port Connector
This connector is used for an RS-485 serial port on all Series 90-30, Series 90-70,
and VersaMax CPUs, and on some Nano/Micro PLCs. For information on Series 90
ports, refer to the Series 90 PLC Serial Communications Manual, GFK-0582. For
VersaMax serial ports, refer to the VersaMax PLC User’s Manual, GFK-1503. For
VersaMax Nano/Micro ports, refer to the VersaMax Micro PLCs and Nano PLCs
User’s Manual, GFK-1645.
Pin 1
Pin 8
RS-485 Port 15-Pin,
Female D-Sub
Pin 9
Pin 15
External View
Pin-Out for 15-Pin D-Sub Serial Connector (RS-422/485)
Pin Signal Direction Function
1 SHLD -- Cable Shield Drain wire connection
2, 3, 4 N/C No connection
5 P5V Output +5.1VDC to power external devices
6 RTS (A) Output Request to Send (A) output
7 GND -- 0V/GND reference signal
8 CTS (B’) Input Clear to Send (B) input
9 RT -- Resistor Termination (120 ohm) for RDA’
10 RD (A’) Input Receive Data (A) input
11 RD (B’) Input Receive Data (B) input
12 SD (A) Output Transmit Data (A) output
13 SD (B) Output Transmit Data (B) output
14 RTS (B) Output Request to Send (B) output
15 CTS (A’) Input Clear to Send (A) input
Shell SHLD -- Cable Shield wire connection
Figure 6-17. 15-Pin D-Sub Serial Port Connector