Modes of operation, Powerup reset mode, The communication card has 3 modes of operation – Rockwell Automation 825-MDN Smart Motor Manager DeviceNet Communication Card User Manual User Manual
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Publication 825-UM002A-EN-P - December 2000
Operation 3-3
Figure 3.1 DeviceNet Status Display
➊
Contact the nearest Allen-Bradley sales office if a status code other than these listed is returned
Modes of Operation
The Communication Card has 3 modes of operation:
•
Powerup Reset mode
•
Run Mode
•
Error Mode
Powerup Reset Mode
During a powerup or reset, the Communication Card:
•
Sets the Module Communication Status field in the DeviceNet
Status Display to 00.
•
Performs powerup initialization. If initialization fails, the Current
Module Communication Status field in the DeviceNet Status
Display is set to 04. You must recycle power to recover from a
power-up initialization failure. Repeated failures may indicate a
faulty Communication Card or a faulty SMM.
•
Performs a duplicate node address check to verify that another
node is not assigned the same DeviceNet MAC_ID as the
Communication Card.
DeviceNet: 00:00:000
Module Communication Status
Previous Module Communication Status
Device Poll Request Counter
Status Code
➊
Description
00
No DeviceNet Power or Initializing.
01
Device is on-line with duplicate MAC check complete. Device not
allocated to master.
02
Normal operating state. Device is allocated to a master.
03
I/O connection has timed out.
04
Unrecoverable fault.