Trane PIC Installation Operation Maintenance/ Programming page 63

Operation
Diagnostic Tool Operations
The PIC can be troubleshot using a diagnostic tool designed for the PIC. This
tool provides information on:
• Communication with Trane Equipment (counters)
• Communication with Modbus device (counters)
• Current configuration
• Data point
• Modbus traffic
Before starting the diagnostic tool, make sure the PIC is powered on and
connected to the PC using the right USB cable (see Diagnostic Tool
Installation Section of this manual).
To start the diagnostic tool, from the 'Start Menu', 'All programs', 'PIC Diag'
select the PIC application 'PIC Diag Tool'.
Data displayed on the PIC diagnostic tool are refreshed every 5 seconds
(between the PIC and the PC).
CAUTION!: The diagnostic tool is only to view information, the operator will
not be able to modify any data displayed on the screen.
CAUTION!: The diagnostic tool only displays rough value of data. For
example, a temperature of 6.5°C in register 30001 will be displayed as 515
in decimal ((6.5 + 45) * 10).
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