8-3
8.2 Troubleshooting
First of all
(1) Are power supplys of all using wireless units as master and slave turn on?
(2) Are the settings of switches set correctly?
(Operation mode switch, Communication channel switch, Unit No.switch, MODE switch)
(3) Are wiring and connector connected correctly?
(RS232C, RS485)
When turn power supply on
Trouble contents
Cause
Troubleshooting
Power supply is OFF.
Turn power supply on.
No LED lights on
Power supply voltage is
different.
Check power supply. (12 to 24VDC)
Slave is not registered.
Register all slaves to use communication
at master.
When operating
mode is set to
“RUN”, ALARM
lights.
*1
Routing setting is not set.
For 1:1 topology with repeaters or 1:N
topology, set the routing setting.
At 1:1 topology,
slave is registered,
but when operating
mode is set to
“RUN”, ALARM
lights.
MODE switch No.1 is set
to ON. (1:N topology
available)
Set MODE switch No.1 of master and
slave to OFF.
*1: When operating mode is set to “RUN” at the time of purchasing, ALARM always lights.
Slave registration, setup
Trouble contents
Cause
Troubleshooting
Operating mode isn’t set
to “SET”.
Set operating mode to “SET” both master
and slave.
MODE switch No.9 is set
to ON.
When No.9 is set to ON, it is the mode to
initialize. Be sure to set to OFF before
registration.
After setting switches, it
doesn’t turn power supply
on again.
Turn the power supply on again.
or
Change operating mode switch.
(SET
→
RUN
→
SET)
<ENTER> switch isn’t
pressed continuously.
Press <ENTER> switch of slave
continuously (approx.3 sec).
Same Unit No. is already
registered at master.
Register with another Unit No.
or
Overwrite.
Another wireless unit is
using the same channel.
Change communication channel.
Executing serial
communication or I/O
communication
Remove communication connector
Slave registration is
impossible.
Radio wave doesn’t
reach.
Do on the table.
Check antenna if it is mounted correctly or
not.
Wireless unit that
was registered as
master or slave
isn’t used as
another master or
slave.
When changing wireless
unit such as change
master and slave,
initialization is necessary.
Initialize it first and register again.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: [email protected]
Содержание KR20
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