15-Pin, D-Sub PLC Serial Port Connector

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.

RS-485 Port 15-Pin,

Female D-Sub

		Pin 1		Pin 9


		Pin 8		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

6-12

VersaMax Serial to Ethernet Adapter User's Manual – July 2000

GFK-1852

GFK-1852 specifications

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