Vaisala PTU300 - 8-Pin Connector; Figure 21 Pinout of the Optional 8-Pin Connector; Table 7 Wiring of the Optional 8-Pin Connector

Chapter 3 _______________________________________________________________ Installation
VAISALA_______________________________________________________________________ 39
5. Connect the power supply wires to the connectors: POWER
10...35V+ 24V~ (+) and (-) terminals. If you are using 24 VAC
power supply, see the note below before connecting the supply
wires.
6. Turn on the power. The indicator LED on the cover is lit
continuously during normal operation.
7. Close the cover and replace the cover screws. The transmitter is
ready for use.
8-Pin Connector
1104-126
Figure 21 Pinout of the Optional 8-Pin Connector
Table 7 Wiring of the Optional 8-Pin Connector
Serial Signal Pin Wire
RS-232 (EIA-232) RS-485 (EIA-485)
Analog Signal
1 White Data out TX D1+ Ch 3-
2 Brown (Serial GND) (Serial GND) Signal GND (for
channels 1&2)
3 Green - - Ch 2+
4 Yellow - - Ch 1+
5 Grey Supply - Supply - Supply -
6 Pink Supply + Supply + Supply +
7 Blue Data in RX D0- Ch 3+
8 Shield/Red Cable shield Cable shield Cable shield
NOTE
The 8-pin connector cannot be used with relay modules or power supply
module that have AC (mains) power connection.