Com2 Rs-422/485 Connection - Satec PM172P Installation And Operation Manual

Chapter 2 Installation
TO COMMUNICATION
SYSTEM
30

COM2 RS-422/485 Connection

V
(12) 10-16VDC
2
LOW DC
(24) 18-36VDC
(48) 36-72VDC
COM.1 :
8
RS-232/422/485 STANDARD
V
ETHERNET
3
MODEM
PROFIBUS
COM.1
11
5 1
V
9
N 6
5 1
9 6
Connector removable, captured-wire, 5 terminals:
Terminal Signal
13 -TxD
14 -RxD
15 +TxD
16 +RxD
17 Ground
V
(12) 10-16VDC
2
(24) 18-36VDC
(48) 36-72VDC
8
RS-232/422/485 STANDARD
V
3
11
V
N
_
Tx
+
_
Rx
+
RS-485/422 COMMUNICATION PORT
4 WIRE CONNECTION
Figure 2-33 COM2: RS-422/485 4 Wire Connection
Communications Connections
ANALOG IN/OUT :
N - +1mA
+ 7
0-20mA
S
3
0-1mA
4-20mA -
9
ATTENTION
Static-Sensitive
Devices
Handle Only at
N/- 10
Static-Safe
Workstations
POWER SUPPLY
COM.2
L/+
12
RS-422/RS-485
-TX -RX +TX +RX
13 14 15 16 17
ANALOG IN/OUT :
- +1mA
N
LOW DC
0-20mA
S
0-1mA
COM.1 :
4-20mA
ATTENTION
ETHERNET
Static-Sensitive
Devices
MODEM
Handle Only at
Static-Safe
PROFIBUS
Workstations
POWER SUPPLY
COM.1 COM.2
RS-422/RS-485
5 1
-TX -RX +TX +RX
9 6
13 14 15 16 17
Series PM172 Powermeters
+ 7
3
-
9
N/- 10
L/+ 12