iSMA-B-FCU Hardware User Manual
www.ismacontrolli.com
DMP242en | 1st Issue rev. 3 | 02/2022
page 21 of 53
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SAT1 temperature sensor.
Figure 16. Special inputs in temperature mode connection
5.1.2 Digital Inputs
The iSMA-B-FCU device is equipped with 4 digital inputs. The figure below presents the
way they are connected.
Figure 17. Digital inputs connection
Digital Input Fast Counter
The digital input can work as a counter of dry contact pulses up to 100 Hz. The counter
value is saved in the non-volatile EEPROM memory.
5.2 Outputs
The iSMA-B-FCU device is equipped with three types of outputs: 2 triac outputs, 5 digital
outputs, and 4 analog outputs.
WARNING!
If the default settings are restored, the value of the counter is set to 0.