GDS 404+ Series, Руководство по эксплуатации

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Fig. 4
Alarm Board
RELAY SELECTION
Channel Relay A – Low/High Alarm – Lo/Hi – Factory set – Low
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for A+B
Channel Relay B – Low/High Alarm – Lo/Hi – Factory set – High
Normally energised or de–energised – E/D – Factory set – De–energised (D)
AUTOMATIC OR MANUAL RESET – A/M
Oxygen Monitoring (factory set) – O
2
Oxygen Alarm Set Low/Low Alarm – LL
Time delay to alarm – T1 – 10 secs
T2 – 30 secs
When used with GDS300 Flow sample systems – FS
SENSOR SELECTION
24v (4/20mA input) P – Pellistor (mV input)
4~20MA OUTPUT
TP3/TP4
CALIBRATION
TP1/TP2
ADJUSTMENTS
Potentiometer RV1 – Sensor Zero
Potentiometer RV2 – Sensor Calibration
Potentiometer RV3 – 4~20mA signal output – 4mA adjust
Potentiometer RV4 – 4~20mA signal output – 20mA adjust
Potentiometer RV5 – GDS 404+ display span (factory set)
Potentiometer RV6 – Sensor Supply