Parker H Series - Page 93

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.