Infinite Peripherals SCOM-100 - Manual (Page 21)

SCOM-100, User guide 21
h: ‘Hysteresis’ value in [%] of the analog input scale (0-20%) for ON/OFF
control (not relevant for PID control).
Changing the set point value
1255,id,sp
1255: Command ID.
id: Function block ID (1-4).
sp: Set point value in the range of the analog input scale.
Setting the Function block state
The ON/OFF or PID control function block can be enabled or disabled with this SMS
command:
1251,id,s
1251: Command ID.
id: Function block ID (1-4).
s: 1: enable, 0:disable
Controlling the Function block state
A digital input can be configured to control the Enabled/Disabled status of the function
block.
The following command selects the digital input.
1252,id,m,n
1252: Command ID.
id: Function block ID (1-4).
m: Module number (0 for SCOM-100 main unit, 1-8 for DI-42 I/O expansion
units)
n: DI input number (1-4)
The following command clears the digital input function.
1253,id
1253: Command ID.
id: Function block ID (1-4).
Clearing the Function block configuration
The command erases the function block configuration and frees the function block
instance and the respective I/O.
1260,id
1260: Command ID.
id: Function block ID (1-4).
Note: Analog or digital inputs involved in ON/OFF or PID control function blocks can be
used for alarming, while involved digital outputs are dedicated to control and
cannot be remotely controlled through SMS commands.