9 | Appendix
NIR-Online GmbH
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Operation Manual Process Analyser PA2
Device cables
NOTE
Loss of performance due to use of unsuitable device cables
Max. cable length between installation box and sensor 10 m.
Pin assignment on device connector viewed from rear of instrument:
Fig. 8: Pin assignment
1
PIN 1- blue, ground
2
PIN 2- red, 12.7 VDC
3
PIN 3- green, RxD-
4
PIN 4- yellow, TxD+
5
PIN 5- white, TxD-
6
PIN 6- brown, RxD+
7
PIN 7- not connected
8
PIN 8- not connected
RS422 device cable
1
2
3
4
Fig. 9: Pin assignment
1
PIN 1 green, TxD- (A)
2
Pin 2 white (from green), TxD+ (B)
3
Pin 3 orange, RxD+ (B)
4
Pin 4 white (from orange). RxD- (A)
