Troubleshooting
AFDJ-SVU01D-EN
57
•
Port—Indicates the state of the DPI connection. Follows
standard conventions.
•
Module—Solid Green when application code is
running, off otherwise.
•
485—Off when firmware detects no valid IPC3
messages; 0.5 second timeout.
Flashes green when firmware detects valid IPC3
messages but the communications loss timer has
expired since the last message directed at the
RECOMM-TRANE.
Solid green after a message directed at the RECOMM-
TRANE has been received and the communications
loss timer has not expired.
•
24V—The hardware turns on this LED (green) when
there is +24 V on connector J4.
The IPC3 network provides power to the RS485 drivers
and receivers over J4.
