Rockwell-automation 1794-ASB/E Remote I/O Adapter Module User Manual Instrukcja Użytkownika Pobierz pdf (Strona 55)

4–3Troubleshooting

Publication 1794ĆUM009D-EN-P - April 2004

Module Faults

Fault ResetActionsFault Condition

Adapter

Active

Adapter

Fault

Local

Fault

Blinking OFF Blinking

Module not responding.

Possibly module removed

Module not responding: Old inputs

maintained. Outputs set to to zero.

All other modules: Outputs

Replace same module; or cycle

Processor in PROG/TEST mode

Rack Fault Select NOT enabled

Possibly module removed

under power. Only module

removed is affected.

All other modules: Outputs

disabled.

Sending current input status back

to scanner.

power to establish new

identification for module.

Blinking Off Blinking

Module not responding.

Possibly module removed

Module not responding. All outputs

set to 0.

All other modules; digital outputs in

Replace same module; or cycle

Processor in RUN/PROG/TEST

Rack Fault Select enabled

Possibly module removed

under power. Only module

removed is affected.

the rack follow HLS setting.

Refer to page 2-9 for analog output

action.

No replies sent to scanner.

power to establish new

identification for module.

Configuration Faults

Local

Fault

Adapter

Fault

Adapter

Active

Fault Condition Actions Fault Reset

Off Blinking in unison Incorrect starting I/O group number.

On On On Incorrect baud rate setting.

Not a

licable.

Turn power off. Set SW1 and

SW2 correctly Turn power on

Blinking in sequence

Another adapter on the link has the

same address.

Not applicable.

SW2

correc

urn power on.

Blinking On Off

Illegal module placement - compact

addressing mode selected.

Not applicable.

Correct module placement

and cycle power.

Additional Faults and Module Displays

Local

Fault

Adapter

Fault

Adapter

Active

Fault Condition Actions Fault Reset

Random Access Memory fault.

Reset outputs. Stop

communicating on remote I/O

link.

Cycle power. (This may not

correct fault.

)

Off On Off

Read Only Memory fault (on

powerup only).

Outputs remain reset.

Communication never starts.

correct fault.)

If this does not correct the fault,

replace the module with a known

good module and return the bad

Internal watchdog timer timed

out.

Try to reset outputs. Stops

communicating on the remote I/O

link.

goo

e, an

urn

module to the factory for repair.

In this chapter you learned how to use the indicators on the front of

the module to troubleshoot your module.

Chapter Summary

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 71 72

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