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"iSMA-B-8U I/O module with Modbus RTU/ASCII or BACnet MSTP communication
SfAR-1M-4DO is a controller’s I/O extension
1000S-H Control Thermostat 15
ON/OFF Switch (S55770-T221)"
A built-in RS485 interface allows an easy connection over Modbus RTU/ASCII protocol
Siemens QAF81.3 Frost Thermostat, -5...15°C, Capillary length 3000mm, IP54 Controlers "iSMA-B-8U I/O module with Modbus"Siemens QAF81. 3 Frost Thermostat, 5 15C, Capillary length 3000mm, IP54"
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