SCOM-100, User guide
4.5.3 Clearing the analog input configuration
Any analog input configuration settings such as alarm,
naming, messaging and scaling can be cleared using the
command:
1210,m,n
1210:
m:
n:
4.5.4 Setting the analog inputs alarm deadband
A special command is available to configure alarm
deadband (hysteresis) for all analog inputs. Alarm
deadband is a small range in the total scale of the input
signal where alarm states remain indifferent, holding on
their last value - in order to avoid frequent SMS
transmissions.
The Alarm deadband is given as a percent of the total
scale.
1800,d
1800:
d:
40
Command ID
Module number (0 for SCOM-100 main
unit, 1-4 for AI-4 expansion units)
Input number (1-2 for SCOM-100 main
unit, 1-4 for AI-4 expansion units)
Command ID
Alarm deadband value in % up to 5% of
the total scale (0-5% in 0.1 steps).
Example: d =2.3%