Tx And Rx Leds; Panel Bus I/O Module Troubleshooting - Honeywell CIPer 50 Installation & Commissioning Instructions

Tx and Rx LEDs

Case Bus LEDs
1 Both Tx and Rx are
flashing
2 Both Tx and Rx are
OFF
3 Rx is flashing and Tx is
OFF
4 Tx is flashing and Rx is
OFF

Panel Bus I/O Module Troubleshooting

Please refer to HONEYWELL EXCEL 5000 OPEN SYSTEM - Installation & Commissioning Instructions
(EN1B-0375GE51) for more information about Panel Bus I/O module troubleshooting.
CIPer MODEL 50 CONTROLLER – INSTALLATION AND COMMISSIONING INSTRUCTIONS
TM
Table 32. CIPer Model 50 controller bus LEDs Tx and Rx
Meaning
Normal operation; RS485-1 is
functioning properly.
No communication on
RS485-1.
Communication on RS485-1
has been switched OFF, but
the CIPer Model 50 is
receiving data from other
controllers.
The CIPer Model 50 controller
is attempting to establish
communication on RS485-1,
but there is no answer.
No action necessary.
In case of communication problems, check
settings (communication rate, parity, etc.).
Switch ON communication on RS485-1.
L1 should then flash. Further handling like
case 4 (below).
Switch ON communication on RS485-1. If
this proves unsuccessful, the hardware
may be defective.
The communication rate (kbps) on RS485-
1 has not been correctly set; other
controllers on the bus may have been
incorrectly assigned the same device
number; wiring problem or hardware
defect.
69
Remedy
31-00233-02