Download TP 277, OP 277 (WinCC flexible) - Service, Support

Transcript
Specifications
12.4 Description of the Ports
12.4
12.4.1
12.4
Description of the Ports
Power Supply
Plug connector, 2-pin
Figure 12-1
Pin
12.4.2
Power supply pin assignment
Assignment
1
+24 VDC
2
GND 24 V
RS 422/RS 485 (IF 1B)
Sub-d socket, 9-pin, with screw lock
Figure 12-2
Pin
1)
12-6
Pin assignment of the RS 422/RS 485 interface
Assignment for the RS 422
Assignment for the RS 485
1
n. c.
n. c.
2
GND 24 V
GND 24 V
3
TxD+
Data channel B (+)
4
RD+
RTS 1)
5
GND 5 V, floating
GND 5 V, floating
6
+5 VDC, floating
+5 VDC, floating
7
+24 VDC, out (max. 100 mA)
+24 VDC, out (max. 100 mA)
8
TxD–
Data channel A (–)
9
RxD–
RTS 1)
On pin 4 or pin 9, can be set with DIP switch on the rear of the device
TP 277, OP 277 (WinCC flexible)
Operating Instructions, 09/2007, 6AV6691-1DH01-0AB0