Siemens Climatix Extension Module 26I/Os POL985.00/STD 24 VAC/DC
Siemens Climatix Extension Module 26I/Os POL985.00/STD 24 VAC/DC
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Extension module for the Siemens Climatix controller line; adds 26 I/O points to expand input/output capacity
Powered by 24 V AC or DC, compatible with 24 V supply systems used in HVAC / building‑automation.
I/O configuration includes a mix of analog inputs (e.g. NTC sensors), digital inputs (dry contacts or AC‑voltage inputs), relay outputs, and triac outputs — suitable for controlling and monitoring HVAC, ventilation, or building‑automation subsystems