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V2.05 subject to changes | Webdyn © by Flexitron Group
2.4.7.2 Digital ON-OFF/S0 (pulsed) Inputs
The WebdynSunPM concentrator has 3 inputs that can be congured to ON-OFF mode or S0 pulsed
mode (pulse counting).
These inputs are located at the bottom left of the WebdynSunPM concentrator.
The cable length for these inputs must not exceed 100m.
To prevent any damage to the concentrator, do not inject current or voltage onto the digital inputs.
In ON-OFF mode:
The concentrator can detect dry contact openings and closures to report device status or trigger status
change alarms.
ON-OFF INPUTS DIGITAL INPUTS
Type Collector open / Drain open / Dry contact
Max voltage / current 4mA @5V
“0” Switching threshold disabled > 3.5 V
“1” Switching threshold enabled < 1 V
Pulse counters > 20 ms
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