
4.2.2 Overwrite registration
When another slave is registered with the same Unit No., which is already registered at the master,
set it to “permission of registration overwriting” before registration.
Example) After registration of slave “01” at master “00”, you want to register another wireless unit
as a slave of “01” (same). In this case, overwriting is necessary. (Such as exchanging the slave)
Proceed overwrite registration according to the below procedures.
1) Set each switch as to the previous page and set MODE switch No.0 (Permission of registration
overwriting) of master to ON.
Master
2) Turn the power supply of wireless unit used as master and used as slave on.
3) Press <ENTER> switch of wireless unit to register as slave continuously (approx.3sec).
4) LED is blinking as below.
Master
Slave
5) Registration is completed when LED lights as below.
Master
Slave
Note
:
When it is impossible to overwrite registration, LED indicates as below.
Master
Slave
Lighting Blinking Blinking
Blinking Blinking
Lighting Lighting Lighting Lighting
Lighting
Lighting Lighting Lighting Flashing
Lighting Blinking Lighting
Below causes are supposed. After checking this, try to register again.
Cause
Troubleshooting
Power supply of master is turned off
Turn power supply of master on
Setting of master or slave is wrong.
Check the settings
(MODE switch No.0 should be set to ON.)
Turn the power supply on again
After setting of master or slave, it
doesn’t turn power supply on again.
or change operating mode switch
(SET->RUN->SET)
Another wireless unit is using the same
channel.
Change communication channel
Executing serial communication or I/O
communication
Remove communication connector
Communication condition is unstable
due to distance between master and
slave.
Put slaves and master on the same table when
registration.
Communication channel is not set to
00
~
4B.
Be sure to set to 00
~
4B
Antenna comes off
Mount antenna
4-5
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Содержание KR20
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