SCOM-100, User guide 26
4.4.1 Setting a digital output
SCOM-100 digital outputs are internal relay normally
open contacts (see section 2.3).
The command to set a digital output is:
1000,m,n
1000: Command ID
m: Module number (0 for SCOM-100 main
unit, 1-8 for DI-42 I/O expansion units)
n: Output number (1-4 for SCOM-100
main unit, 1-2 for DI-42 I/O expansion
units)
Let us set output 2 of the main unit. The respective
command is:
1000,0,2
Send an SMS with the above respective command to the
device’s phone number.
The output LED 2 will switch on and you will hear the
relay contact switch to a closed state. You will then
receive an “OK’ SMS message response.
4.4.2 Resetting a digital output
The command to reset an output is:
1001,m,n
1001: Command ID
m: Module number (0 for SCOM-100 main
unit, 1-8 for DI-42 I/O expansion units)