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V2.05 subject to changes | Webdyn © by Flexitron Group
In S0 (pulse) mode:
The WebdynSunPM concentrator manages meters that have class A (24 V) and B (5 V) pulse outputs as
per the IEC 62053-31-1998 standard.
The concentrator runs in “Sink” type mode, meaning that voltage is applied to e meter’s S0+ terminal
using an (internal) pull-up resistor and a 0V voltage is applied to the meter’s S0- connection.
SO PULSE INPUTS CLASS A (24 V)
Current pulses
CLASS B (5 V)
Current pulses
“LOW” Switching threshold disabled < 8 mA < 1 mA
“HIGH” Switching threshold enabled > 15 mA > 2.5 mA
¨Power supply voltage Internal 24 V Internal 5 V
Pulse counters > 20ms > 20ms
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