Infinite-peripherals SCOM-100 Manual do Utilizador descarregar pdf (Página 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.

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Infinite-peripherals SCOM-100 Manual do Utilizador Página 21