| 42 | |
dt: | ‘Derivative time’ (D) value between 1- | |
| 200 sec. A zero value disables the | |
| drivative part (not relevant for ON/OFF | |
| control).. |
|
ct: | ‘Cycle time’ value between 1 and 15 | |
| minutes, representing the pulse width | |
| modulation period of the digital output | |
| (not relevant for ON/OFF control). | |
h: | ‘Hysteresis’ value in [%] of the analog | |
| input scale | |
| (not relevant for PID control). | |
Changing the set point value
1255,id,sp |
|
1255: | Command ID. |
id: | Function block ID |
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 |
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.
