H Series Fieldbus I/O RS-232 ASCII Module, Series A (PSSS23A)
E112P
6
Troubleshoot With the Indicators
MOD
NET
TxD
RxD
PSSS23A
ASCII Interface
PSSS23A
I/O Status Indicators
Module Status Indicator
Network Status Indicator
Indication
Probable Cause
Module Status
Off
No power applied to device
Green
Device operating normally
Flashing Green
Device needs commissioning due to missing, incomplete, or incorrect configuration
Flashing Red
Recoverable fault
Red
Unrecoverable fault - may require device replacement
Flashing Red/Green
Device is in self-test
Indication
Probable Cause
Network Status
Off
Device is not on line:
- Device has not completed dup_MAC-id test.
- Device not powered - check module status indicator.
Flashing Green
Device is on line but has no connections in the established state.
Green
Device is on line and has connections in the established state.
Flashing Red
One or more I/O connections in timed-out state.
Red
Critical link failure - failed communication device. Device detected error that prevents it from
communicating on the network.
Flashing Red/Green
Communication faulted device - the device has detected a network access error and is in
communication faulted state. Device has received and accepted an Identity Communication
Faulted Request - long protocol message.
Indication
Probable Cause
Transmit/Receive Status
Flashing Transmit/Receive
Check wiring, ground, and Rx connection. User parameter object to view record numbers.
Flashing Receive/ Off Transmit
Check wiring. Watch the Tx light. If itdoes not flash, check to ensure that you are properly
initiating transmission. Use the EDS parameter object to try transmitting and watch the light. If
it flashes, you are not properly initiating transmission via I/O messaging. If it does flash, check
the remote device.
Off Transmit/ Green Receive
Check connections as you may have wired the device backwards.
Summary of Contents for H Series
Page 135: ...DeviceNet Media Design and Installation Guide...
Page 144: ...Publication DNET UM072C EN P July 2004 Table of Contents iv...
Page 170: ...Publication DNET UM072C EN P July 2004 1 26 Get Started Notes...
Page 194: ...Publication DNET UM072C EN P July 2004 2 24 Identify Cable System Components Notes...
Page 212: ...Publication DNET UM072C EN P July 2004 3 18 Make Cable Connections Notes...
Page 238: ...Publication DNET UM072C EN P July 2004 4 26 Determine Power Requirements Notes...
Page 248: ...Publication DNET UM072C EN P July 2004 5 10 Correct and Prevent Network Problems Notes...
Page 250: ...Publication DNET UM072C EN P July 2004 A 2 Understand Select NEC Topics Notes...
Page 263: ......
Page 267: ...Isysnet Serial Bus System Selection Guide Pneumatic...
Page 287: ...H Series Fieldbus DeviceNet Adapters PSSCDM12A PSSCDM18PA User Manual...