Allen-Bradley ControlLogix DeviceNet 1756-DNB User Manual

18 ControlLogix DeviceNet Scanner Module
Publication 1756-IN566B-EN-P - April 2001
91 Bus-off condition detected on comm
port. Scanner is detecting
communication errors.
Check DeviceNet connections and
physical media integrity. Check system
for failed slave devices or other
possible sources of network
interference.
92 No network power detected on
communication port.
Provide network power. Make sure
that module drop cable is providing
network power to module comm. port.
95 Application FLASH update in progress. None. Do not disconnect the module
while application FLASH is in progress.
You will lose any existing data in the
scanner’s memory.
97 Scanner halted by user command. Check Module Command Register for
HALT bit set.
98 General firmware error. Replace module.
A#00
to
A#63
Normal operation. The numeric
display matches the scanner’s node
address on the DeviceNet network.
Do nothing.
IDLE Scanner is in IDLE mode. Put controller in RUN mode. Enable
RUN bit in Module Command Register.
Network
Disabled
User has disabled communication
port.
Reconfigure your module. check
Module Command Register.
No
Network
Power
No network power detected on
communication port.
Provide network power. Make sure
that scanner drop cable is providing
network power to scanner
communication port.
NoRX No scan list is active in the module or
no messages have been received by
the scanner.
Enter a scan list. Check DeviceNet
connection on front of module.
NoTX No direct network traffic for scanner
detected.
None. The scanner hears other
network communication.
Alphanumeric Status Codes
Code Description Recommended Action

Allen-Bradley ControlLogix DeviceNet 1756-DNB Specifications

General

Brand	Allen-Bradley
Model	ControlLogix DeviceNet 1756-DNB
Category	Control Unit
Language	English