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REGARD
®
3900
Maintenance
_
8.2.7 Relay
menu
In the relay menu, you can view and configure the relay module relays.
Relay 1 and relay 9 are preset system error relays and cannot be configured.
Relays 2–8 and 10–16 are configurable. The existing relays depend on the
combination of the internal control modules. In the case of a control unit with 2 relay
modules (16 relays), the following relay arrangement would result:
Module 3 - Relay 1–8
Module 4 – Relay 9-16
Feature
Description
Active
Activation
(
Yes
) or deactivation (
No
) of the channel.
Name
If necessary, enter a unique name/number for the channel (up to
16 characters).
Gas name
Enter the gas name (up to 6 characters).
Gas unit
Enter the gas units (up to 4 characters).
Range
Select the measuring range from the list (user-defined ranges
are not possible). If a measuring range is selected, the alarm
thresholds for A1 and A2 are automatically set to 20% and 40%
of the range. The table below shows the measuring range, reso-
lution (increment) and decimal places for the alarm thresholds of
A1, A2 and A3.
A1/A2/A3 alarm
Enter a
Threshold
for the alarm of between 4 % and 100 % of
measuring range (if A3 is set to zero, alarm A3 is switched off).
Also select
Rising
or
Falling
, in order to determine whether the
alarm should be activated for rising or falling gas values.
F1/F2 alarm
threshold
Enter a fault alarm threshold between 1 mA and 3.8 mA (if F2 is
set to zero the F2 alarm is switched off).
Range
Resolution Decimal
places
Range
Resolution Decimal
places
0 - 1
0.01
2
0 - 25
0.1
1
0-2
0.01
2
0 - 30
0.1
1
0 - 3
0.01
2
0 - 50
0.1
1
0-4
0.01
2
0-75
0.1
1
0 - 5
0.01
2
0 - 100
1
0
0-6
0.01
2
0 - 200
1
0
0-7
0.01
2
0 - 250
1
0
0 - 8
0.01
2
0 - 300
1
0
0-9
0.01
2
0 - 500
1
0
0 - 10
0.1
1
0 - 1000
5
0
0-11
0.1
1
0 - 2000
5
0
0-12
0.1
1
0 - 3000
10
0
0-15
0.1
1
0 - 5000
10
0
0 - 20
0.1
1
0 - 9999
25
0
Feature
Description
Active
Activation (
Yes
) or deactivation (
No
) of the channel.
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