8-4
Wireless communication and Wire communication
Trouble contents
Cause
Troubleshooting
Operating mode isn’t set to
“RUN”.
Set operating mode of master and slave
to “RUN”.
Channel is different from it
of slaves.
Set communication channel of all slaves
same as master’s.
Slave isn’t registered at
master.
Register slave at master by using main
unit or setting tool.
Slave is not powered on.
Power on slave.
Slave is mounted in the
place where radio wave
doesn’t reach.
Move master or slave near in order to
reach radio wave.
There are master or slave
using the same channel. Or
another wireless unit is
using the same frequency.
Change communication channel.
or
Move the mounting place.
Surrounding radio wave
environment is not good.
Change the mounting place to the place
where is a little noise or where is far from
the object to be shielded wave such as
iron plate.
Wireless
communication is
not possible.
Antenna is removed or
connector is loosened.
Connect antenna surely.
COM port of wired side is
different.
Check the setting of RS232C and
RS485. Especially for RS485, MODE
switch No.2 should be set to ON.
Communication setup of
wired side is different.
Adjust the communication settings of
serial communication to the connected
equipment.
Data size is over 2048
bytes.
Make data size sends in one time under
2048 bytes.
It times out at the upper
side.
Extend timeout period of the upper side.
Wire
communication is
not possible.
(When wire
communication is not
possible, wireless
communication is not
possible too.)
Flow control setting is wrong.
It sets to "Available" for flow
control, nevertheless it sets
"Not available" for connected
equipment's flow control.
Adjust flow control setting to the setting
of connected equipment.
Data in RS485
communication is
wrong.
Command collides to
response.
Send next command after receiving
response. Adjust time out period in case
of no response.
Setting Tool
Trouble contents
Cause
Troubleshooting
Setting is not complied with
operating mode switch of the
main unit.
When the operation switch set to "SET", set
to 115200bit/s, 8bit, Odd.
When it sets to "RUN", set to same as setting
of the main unit.
COM port is different.
When computer has several COM ports,
select the COM port connecting wireless unit
by using setting tool “configuration”.
Communication
with wireless unit is
not possible.
“Start character” is changed at
“Master unit setup” on main
unit.
By using setting tool “Configuration setup”,
set start character same as main unit’s start
character.
Start character of main unit can be checked
in communication error message.
Operating button
doesn’t work
correctly. Help is
not started.
OS version is not supported.
Refer to <1.4.2 System requirement>
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: [email protected]
Содержание KR20
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