Satec PM175 - COM1 RS-422485 Connection

Chapter 2 Installation
Communications Connections
28
Series PM175 Powermeters
RS232
PM175
MALE CON.
IBM PC/COMPATIBLE
25-PIN DB25
FEMALE CON.
IBM PC/COMPATIBLE
MALE CON.
RS232
PM175
9-PIN DB9
FEMALE CON.
RS-232 SIMPLE 3-WIRE
CONNECTION 25-PIN
CONNECTION 9-PIN
RS-232 SIMPLE 3-WIRE
Figure 2-29 COM1: RS-232 Cable Drawings
COM1 RS-422/485 Connection
0-1mA
0-20mA
V
-
+1mA
LOW DC
N
(24) 18-36VDC
(48) 36-72VDC
S
2
(12) 10-16VDC
+
7
3
9
6
5
1
-
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 :
Connector 9-pin D-type female:
Pin
Signal
6
RS-422/485 +RxD
7
RS-422/485 +TxD
8
RS-422/485 –TxD
9
RS-422/485 –RxD
RS-422
TO SATEC
CONVERTER
PM172
COM1
+T
+R
-R
-T
8
1
6
2
7
3
9
4
5
(MALE)
DB9
+T
+R
-T
-R
RS-422 CABLE
5
4
3
2
1
Figure 2-30 COM1: Connection to the RS-422/485-RS-232 Converter