Issue
When using the 20k (Honeywell) thermistor type on an EcoStruxure IO Module, the temperature value does not change and reads an inaccurate value.
Product Line
EcoStruxure Building Operation
Environment
- Building Operation Workstation
- Building Operation Automation Server IO Module
Cause
The 20k (Honeywell) thermistor type does not work properly in Automation Server IO module firmware versions 2.009 and older.
Resolution
Check and upgrade the Automation Server IO module firmware to the latest version. Follow the steps below:
- Select the module in the System Tree (1) and on the Properties tab (2) check the Firmware version (3)
- If the firmware requires upgrading the latest version can be downloaded from The Exchange Download Centre.
- For instructions on how to upgrade the firmware see Upgrading Automation Server IO Module Firmware.
