Ametek mocon Dansensor ISM-3, Руководство пользователя

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Dansensor
®
ISM-3 EN User Manual 13
P/N 200114-I
09/2021
Set-up of alarm limits
ISM-3 has two programmable alarm limits,
AL.HI
(high oxygen alarm) and
AL.Lo
(low oxygen
alarm).
In case of measurements above or below the alarm limits the relay is activated.
In order to change one of the alarm limits, the following procedure must be followed:
1. Press 2 or 3 times depending on whether it is a high alarm or a low alarm which must be
changed.
2. The alarm value is displayed. Press and hold the button for 3 seconds in order to change
the alarm.
3. With and it is possible to switch between % and ppm.
After choosing % or ppm press and the first digit will flash.
4. Use and to set the flashing digit.
5. Press in order to set the next digit.
6. When the last digit has been set, press the button to store the value.
The set alarm limit is active immediately.
Indication of sensor flow
1. Press and
FLO.
will appear in the display followed by an indication of the sensor flow in
ml/min.
2. If you wish to continuously display the flow, press and hold the button for 3 sec. while
the flow is displayed. After about 3 seconds the display will flash shortly.
3. The gas flow value will be displayed until the button is activated again.
Flow alarm
A flow alarm appears if the indicated flow is below or above the min. and max. values as set in
the set-up menu. In case of a flow alarm, display will change in 2 secs. turns between
FL.ER
and O
2
value until the flow error stops. The relay is activated for min. 4 seconds independently
of the duration of the alarm.
The flow alarm has a higher priority than the oxygen alarms. If a flow alarm and an oxygen
alarm occurs at the same time, only the flow alarm appears in the display.
Current output/voltage output
ISM-3 is equipped with a current output.
The current output is configured in the set-up (
SET.
) menu by means of the
CU.0
,
CU.4
and
CU.20
parameters and can be set to the ranges 0-20mA or 4-20mA/0-10V or 2-10V
respectively.
The output is configured as a current output from the factory, but it can be converted to a
voltage output by mounting the supplied resistor between the output terminals (see the
instruction that comes with the resistor).