Instruction manual
Table Of Contents
6. COMMUNICATION DATA
IMS01J04-E2
16
Some communication data may become invalid depending on the module selection or the
configuration of the SR Mini HG System control unit.
If any one of the conditions listed below occurs and data items written are within the setting range,
read data becomes 0. Under these conditions, no error response message will occur.
When heat/cool control, manual output value and auto/manual transfer are invalid.
When heat control, cool-side manipulated output, cool-side proportional band and
overlap/deadband are invalid.
When ON/OFF control, cool-side manipulated output, heat-side and cool-side proportional band,
integral time, derivative time and overlap/deadband are invalid.
When the H-CT-A module is not provided, current transformer input measured value and heater
break alarm set value are invalid.