iSMA-B-AAC20 Hardware User Manual
www.ismacontrolli.com
DMP239en | 1st Issue rev. 0 | 02/2022
page 18 of 42
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5.1.4 Universal Input Dry Contact Connection
Figure 22. Universal input dry contact connection
5.2 Digital Inputs
The iSMA-B-AAC20 device is equipped with 4 digital
inputs.
Digital inputs operate as standard dry contact inputs and, additionally, as high speed
pulse counters up to 100 Hz.
Figure 23. Digital input dry contact connection
5.2.1 Digital Input Counter
A digital input can work as a counter of dry contact pulses up to 100 Hz. The connection
is identical as in case of the dry contact input.
5.3 Analog Outputs
The iSMA-B-AAC20 is equipped with 6 analog outputs.
Analog outputs provide a 0-10 V DC output with maximum load up to 20 mA. They
support three types of output signals:
voltage (0-10 V DC) with maximum load up to 20 mA;
