Page 31 of 46
WITT-GASETECHNIK GmbH & Co KG
Gas Safety- & Control Equipment
7.5.2.5 Relay 1 active/frozen during Calibration
Each relay can be configured as Calibration active or Calibration frozen.
To alternate the configuration, mark the second line and press <ENTER>.
Cal. frozen means that the relay does not react on the calibration gas concentration but stays as
long as the calibration procedure lasts in the previous state before calibration started.
Cal. active means that the relay reacts during calibration in the same way as in the operation state.
7.5.2.6 Relay 2 Mode
The Relay 2 Mode menu is similar to the relay 1 mode menu in chapter 7.5.2.1.
But relay 2 allows indicating more incidences, which is: “Maintenance” and “Aux”.
” Maintenance” is a state showing that the instrument is still working properly but requires a
check in the near future.
“Aux. L/H” provides a relay indication of the signal applied to analog input 1 exceeding a cer-
tain threshold value.
“Aux. H/L” provides a relay indication of an external signal falling below a certain threshold
value.
All other settings for Relay 2 must be done in the same way like the settings for Relay 1 described
in chapter 7.5.2.1 to 7.5.2.5.
Operation
Calibration
Diagnosis
Setup
Instr. Set.
Relay Set.
Output Set.
Expert Set.
A1 A2 Er
0.30
[%] H2/N2
Relay 1
Relay 2
------------
Common Relay
R1 Mode ***
Failsafe
Cal. active
ESC/OK
R1 Mode ***
Failsafe
Cal. frozen
ESC/OK
Operation
Calibration
Diagnosis
Setup
Instr. Set.
Relay Set.
Output Set.
Expert Set.
A1 A2 Er
0.30
[%] H2/N2
Relay 1
Relay 2
------------
Common Relay
R2 Mode ***
Failsafe
Cal. active
ESC/OK
R2 Mode L/H
R2 Threshold
R2 Hyst.
ESC/OK
R2 Mode H\L
R2 Threshold
R2 Hyst.
ESC/OK
Aux. L/H
R2 Threshold
R2 Hyst.
ESC/OK
Aux. H\L
R2 Threshold
R2 Hyst.
ESC/OK
Maintenance
------------
------------
ESC/OK
R2 Mode OFF
------------
------------
ESC/OK
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