Appendix 4: Using the e7w Process Image Viewer
PI5 – Process Image Viewer Parameter (Pi5)
Use Pi5 mode to read any Process Image (PI) offset value 0-31 from the HVAC partner device. The Pi5 Process Image
viewer is an advanced feature intended to be used by an INNCOM technician for advanced troubleshooting.
1. Enter SERVICE MODE
2. Press UP/DOWN arrow buttons to select Pi5.
3. Press MODE button. This action displays the initial Pi5 offset value of 0.
4. Use the UP/DOWN arrow buttons to change the Pi5 offset value over the range 0-31. If going up from 0, the
displayed value will roll back to 0 after 31 is reached, If going down from 31, the displayed value will roll back
to 31 after 0 is reached.
5. Press the FAN button to execute. The e7w sends a 0010000XX (XX=E0-FF) read Process image
offset read command to its defined HVAC partner address.
6. If a reply value is received from the HVAC partner, the Pi5 value is displayed in decimal format.
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