Owner manual
Chapter 2 Installation Communications Connections
Series PM172 Powermeters 29
Connector 9-pin D-type female:
Pin Signal
6 +Rx
7 +Tx
8 –Tx
9 –Rx
COM1 Profibus Connection
-
4-20mA
9
8
COM.1 :
ATTENTION
Devices
Static-Sensitive
Static-Safe
Workstations
Handle Only at
POWER SUPPLY
RS-422/RS-485
16
+RX
COM.2COM.1
11
V
1513 14
69
N
1
5
-TX +TX-RX
V
MODEM
PROFIBUS
ETHERNET
RS-232/422/485 STANDARD
3
17
12
L/+
N/-
10
ANALOG IN/OUT :
0-1mA
0-20mA
V
-
+1mA
LOW DC
N
(24) 18-36VDC
(48) 36-72VDC
S
2
(12) 10-16VDC
+
7
3
9
6
51
Connector 9-pin D-type female:
Pin Signal
1 N/C
2 N/C
3 B-Line, Positive RS485 RxD/TxD
4 RTS, Request To Send
5 GND BUS
6 +5V BUS
7 N/C
8 A-Line, Negative RS485 RxD/TxD
9 N/C