G36p
Oxygen Analyzer
Version 2.11 – Revision March 2022 15
Normally de-energized
Normally de-energized means that the relay is de-energized in the normal operating con-
dition. For the Inert Gas Oxygen Analyzer, relay 4 (normally de-energized) will be ener-
gized in span calibration condition. For the Stack Gas Oxygen Analyzer or the EGR Ox-
ygen Analyzer, relay 3 or 4 respectively will be energized when the analyzer is back-
flushing or auto calibrating.
3.4.4 Input Connections – A-IN
The analog input connections A–IN are placed next to the sensor connections SEN. The
terminal is arranged with two poles for one active analog input signal 4…20 mA (Analog
Input 1). Active input signal means signal voltage from external source.
For setting of the analog input please see appendix 10.1.
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