Bacharach Parasense GRM2 CO2 Series, Operation & Maintenance Manual

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Operation & Maintenance Manual
Doc. Ref. MNGRM2CO2 REV. 3
6. In the terminal program:
6.1.
Enter the ‘adc’ command a few times and note the ADC 12 0: value reported
(highlighted below in yellow).
Channel Bits mVolts Value.
--------------------------------------
Pressure
187 456 1111
Detector 2 4
Source 5 12
ADC 3: 786 1918
DAC offset 518 1264
Amb. Temp. 210 512 307
ADC12 0: 2000
ADC12 1: 2
ADC12 2: 1
7. On the Sensor PCB:
7.1. Use the C and D buttons to adjust the 4mA output.
8.
Repeat steps 6 & 7 until the ‘adc’ command output reads 2000 +/- 1.
9. On the Sensor PCB:
9.1. Press the B button ( Y on the display) to save the value and return to the
“Sys Menu”.
9.2. To return to normal monitoring press the A button repeatedly until you are back to the
main display.
10. Close the terminal application and disconnect the CC01 programming/debug lead from the
GRM2 CO2 network module PCB.
11. On the GRM2 CO2 display/keypad, use the key to exit the System Test function. Normal
sampling will resume.