M-12 (8-pin) connector – Vaisala PTB330 User Manual
Page 32
USER'S GUIDE____________________________________________________________________
30 __________________________________________________________________ M210855EN-D
M-12 (8-Pin) Connector
NOTE
The 8-pin connector cannot be used with relay modules or power
supply modules that have AC (mains) power connection.
Figure 18
Wiring of Optional M-12 (8-Pin) Connector
Table 3
Pin Assignments to RS-232-/485 Serial Output
Pin/Terminal
Wire
Serial Signal
Analog Signal
RS-232 (AIE-232) RS-485 (EIA-485)
1
White
Data out TX
D1+
-
2
Brown
(serial GND)
-
Signal GND
3 Green
External
power
control
Ext… Ext…
4 Yellow
- - Analog
output
5
Grey
Supply -
Supply -
Supply -
6
Pink
Supply +
Supply +
Supply +
7
Blue
Data in RX
D0 -
-
8
Shield/Red
Cable shield
Cable shield
Cable shield