Keyence DL-CL1 User Manual download pdf (Page 67)

5-1 Troubleshooting

5-3

Appendix

- CC-Link Compatible Network Unit DL-CL1 User’s Manual (FD-MH) -

 Communication error indicator (L ERR)

This lamp lights when the DL-CL1 is not communicating properly with the CC-Link

maser station.

Condition Condition Corrective action

Not lit Communicating correctly. –

Lighting in red • The data link is not con-

figured properly.

• The DL-CL1 is config-

ured for Ver. 2 (monitor

mode 2/full mode) while

the master station is con-

figured for Ver. 1.

Check that the data link is properly

configured, and then turn off the

power to the DL-CL1 and back on.

"Configuring the Data Link"

(page 2-10)

Flashing in red

(At regular

intervals)

The setting of the transmis-

sion rate setting switch,

operating mode setting

swi

tch

, or station number

setting was changed while

in operation.

If you changed the setting intention-

ally, turn off the power and back on.

The new setting is applied.

If you changed the setting uninten-

tionally, restore the previous setting.

Norma l condition is automatically

recovered.

Flashing in red

(At irregular

intervals)

The termination resistor is

not connected correctly.

Connect the termination resis tor cor-

rectl

y. (Normal condition is automati-

cally corrected after the cause is

removed.)

"Connecting the termination

resistor" (page 2-9)

Affected by noise. Implement noise protection on the

DL-CL1 and CC-Link cable. (Normal

condition is automatically corrected

after the cause is removed.)

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Keyence DL-CL1 User Manual Page 67

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