Campbell HMP45C Guide de l'utilisateur télécharger pdf (Page 25)

Appendix A. Wiring for Older HMP45C

Probes

Description Colour

Temperature Signal Yellow

Relative Humidity Signal Blue

Signal Reference Purple

Power Control Orange

Power Red

Power Ground Black

Shield Shield

Figure A-1. HMP45C Probe to Datalogger Connections

Table A-1. Connections for Single-Ended Measurements for Old Wiring Configuration

Description Colour CR10(X), CR510,

CR500

CR23X, CR5000 21X, CR7

Temperature Yellow Single-Ended Input Single-Ended Input Single-Ended Input

Relative Humidity Blue Single-Ended Input Single-Ended Input Single-Ended Input

Signal Reference Purple AG

Power Control Orange Control Port Control Port Control Port

Power Red 12 V 12 V 12 V

Power Ground Black G G

Shield Clear G

Table A-2. Connections for Differential Measurements for Old Wiring Configurations

Description Colour CR10(X), CR510,

CR500

CR23X, CR5000 21X, CR7

Temperature Yellow Differential Input (H) Differential Input (H) Differential Input (H)

Signal Reference Jumper to

Purple

Differential Input (L) Differential Input (L) Differential Input (L)

Relative Humidity Blue Differential Input (H) Differential Input (H) Differential Input (H)

Signal Reference Purple Differential Input (L) Differential Input (L) Differential Input (L)

Power Control Orange Control Port Control Port Control Port

Power Red 12 V 12 V 12 V

Power Ground Black G G

Shield Clear G

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Campbell HMP45C Guide de l'utilisateur Page 25