Installation and Operation Guide | DGS Modbus
RS8HJ102 | 19
© Danfoss | ADAP-KOOL® | 2016.12
Alarms
When an alarm condition becomes present, the red LED is lid immediately.
If a delay is configured for a given alarm, the buzzer, alarm relay and Modbus alarm are set ac-
tive after the delay has expired.
Critical alarm for high gas level
Limit alarm
The gas level exceeds the full-scale value. Likely the sensor element needs replacing
Sensor saturated
The signal from the sensor is missing (sensor element defect or removed)
Sensor out
DGS unit due for calibration as it has been operating for 1 year or more
Calibrate sensor
Warning alarm for high gas level
Warning limit al.
Menu Survey
Function
Min
Max
Factory
Unit
AKM name
Gas level
Actual gas level in %
0.0
100.0
0.0
%
Gas level %
Actual gas level in ppm
(OBS note
1
)
0
FS
2
0
ppm
Gas level ppm
Alarms
Alarm settings
Common indication of alarms (any alarms active excl. warn-
ings)
0 = No active alarm(s)
1 = Alarm(s) active
0
1
0
-
GD alarm
Common indication of both alarms incl. warnings
0 = No active alarm(s) or warning(s)
1 = Alarm(s) or warning(s)) active
0
1
0
-
Common errors
Alarm limit in %
0.0
100.0
0.0
%
Alarm limit %
Alarm limit in ppm
0
FS
2
0
ppm
Alarm limit ppm
High alarm delay in minutes, if set to 0 hardware jumper con-
figuration is used (hardware configured delay will be shown).
If set to value, software alarm delay is used.
0
10
0
min.
Alarm delay
When set to 1, the alarm relay and sounder are reset to no
alarm indication (mute a connected indicator). When the
alarm is reset or the timeout duration is exceeded, the value
is reset to 0.
OBS: The alarm condition is not reset only the relay indication
is reset. Used to mute an external alert (audible/visible)
0 = Alarm outputs not muted
1 = Alarm outputs muted
0
1
0
-
Reset alarm
Maximum duration of alarm reset before automatic re-ena-
ble of external indicators (mute timeout in minutes) a value
of 0 disables ability to mute alarm.
0
59
0
min
Reset alarm time
Warning limit in %
0.0
100.0
0.0
%
Warning limit %
Warning limit in ppm
0
FS
2
0
ppm
Warning lim. ppm
Enables warning alarm when Warning limit exceeded
0
1
0
min.
Warning Enable
1
The communication system can only handle integer values in the range -32000 to 32000 and decimal values in the range -3200.0 to 3200.0.
2
Value equals fullscale range of specific product
