Vaisala PTB330 - 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