Keyence DL-DN1 Manual do Utilizador descarregar pdf (Página 71)

5-2 Troubleshooting

5-5

Appendix

- DeviceNet Compatible Network Unit DL-DN1 User’s Manual (SK-1000) -

Sensor communication indicator

This lamp indicates whether the DL-DN1 is communicating properly with sensor

amplifiers.

The cause of the error can be identified by reading the error code through I/O

communication or explicit messaging.

"Error information list" (page 3-8)

LED status Condition Corrective action

Not lit Power is not supplied to the

DL-DN1.

Check that the DL-DN1 is cor-

rectly connected with the sensor

amplifiers.

Green Solid Communicating correctly. -

Flashing In process of power-on

reset.

After the power-on reset time

has elapsed, the DL-DN1 auto-

matically switches to the normal

state.

Red Flashing at

fixed inter-

vals

Temporarily unable to com-

municate with sensor ampli-

fiers.

Check for any noise source

around the DL-DN1. (The error

is automatically corrected after

the cause is removed.)

Repeating

of 4 con-

secutive

flashes

Model error (0003h) Connect a sensor amplifier of a

compatible model.

Mixed connection error

(0004h)

Remove the incompatible sen-

sor amplifier.

Number-of-units error

(0006h)

Observe the num

r of connect-

able sen

sor amplifiers.

Solid Initialization error

(0001h/0002h/0005h)

Check the number of connected

sensor amplifiers and the con-

nection to the sensor amplifiers,

and then cycle power. If the

error can not be restored, con-

tact your nearest sales office.

Sensor-to-sensor communi-

cation error

(0007h)

Check the connections of the

sensor amplifiers, and then

cycle power.

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