Rockwell Automation 1747-SDN SLC 500 DeviceNet Scanner Module User Manual User Manual

Page 92

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Publication 1747-UM655B-EN-P - June 2007

92 Troubleshooting

86

Device is producing zero length data (idle state) while
module is in Run mode.

Check device configuration and slave node status.

87

The primary owner has not allocated the slave.

Put the primary owner online.

88

The connection choices (polled, strobed) between the
primary connection and the shared input only connection do
not match.

Reconfigure the shared input-only connection's choices to
be the same as, or a subset of, the primary connection's
choices.

89

Slave device initialization using Auto Device Replacement
parameters failed.

Put the slave device into configurable mode.
Check the slave's EDS file, if the slave is configured offline.
Check to see if the slave device has been replaced with an
incompatible device.

90

User has disabled communication port.

Check Module Command Register for DISABLE bit set.

91

Bus-off condition detected on comm port. Module 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
module’s memory.

97

Module operation halted by user command.

Check Module Command Register for HALT bit set.

98

Unrecoverable firmware failure.

Service or replace your module.

99

Unrecoverable hardware failure.

Service or replace your module.

E2

RAM test failure.

Service or replace your module.

E4

Lost power during FLASH upgrade.

Service or replace your module.

E5

No boot or main code.

Service or replace your module.

E9

Module memory has been flushed for factory default
settings.

Cycle module power to recover.

Numeric Display

Numeric
Code

Description

Corrective Action

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