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Troubleshooting – Spectrum Controls 1746sc-INO4vi User Manual

Page 42

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32

SLC 500

Isolated Analog Output Modules

Troubleshooting

Figure 7. Problem resolution flowchart

Module

Status LED

off.

Module fault

condition.

Check to see

that module is

seated properly

in chassis.

Cycle power.

Is problem
corrected?

Contact you local

distributor or

Spectrum

Controls.

Yes

No

End

Module

Status LED

on.

Check LEDs

on module.

Channel

Status LED(s)

blinking.

Channel

Status LED(s)

off.

Channel

Status LED(s)

on.

Channel is

not enabled.

Channel is

enabled but not

working.

Fault

condition.

Check channel

status word

bits 9–15.

Fatal channel error. Reset the
processor or cycle power to your
module.

Bit 15

set (1)

Non-fatal channel error. Check
the configuration byte. Correct
and Retry.

Bit 14

set (1)

Under-range error. Check the
output data word and Table 11.
Correct and Retry.

Bit 13

set (1)

Over-range error. Check the
output data word and Table 11.
Correct and Retry.

Bit 12

set (1)

Under-limit error. Check the
output data word and limit
(O:e.6). Correct and Retry.

Bit 11

set (1)

Over-limit error. Check the
output data word and limit
(O:e.7). Correct and Retry.

Bit 10

set (1)

Operating temperature error.
Check the ambient temp.
Correct and Retry.

Bit 9

set (1)

Enable channel if

desired by setting

channel config.

word (bit 0 = 1).

Retry.

End

Verify module power

(external and/or

rack). Retry

Is problem
corrected?

Contact you local

distributor or

Spectrum

Controls.

No

Yes

End

Is problem
corrected?

Contact you local

distributor or

Spectrum

Controls.

No

Yes

End