
2.4 Indicator LEDs
■
Status LED
MASTER
・
It lights up if unit is master unit. For slave unit, it is always turned off.
COM.
・
It lights up when turns power supply on.
・
It blinks when it is performing serial communication and wireless communication, it means that it
is communicating.
SET
・
When operating mode switch is in SET mode, it means that it is performing registration of slave
unit or initialization.
・
It blinks when it is performing registration of slave unit and initialization, if complete them it
changes from blinking to lighting.
ALARM
・
It puts the light off when it is operating normally.
・
It blinks when urging attention, and it lights up when error occurred.
Note: When operating mode is in TEST mode, <MASTER>, <COM.>, <SET> are functioned
as LEVEL indication (1, 2, 3).
Basic indicator LEDs
MASTER (1)
COM. (2)
SET (3)
ALARM
Extinction
Slave unit
Not energization
-
Normal
Blink
-
Communicating
Setting
*
1
Alarm*
2
Lights up
Master unit
Energization
Setup
completed*
1
Error
LED
State
*1:When registrating slave unit and initialize, operating mode is in SET mode.
*2:It blinks when operating mode is in SET mode and MODE switch No.9 is ON.
(Alarm for initialization)
Indicator LEDs for test mode
MASTER (1)
COM. (2)
SET (3)
ALARM
Extinction
Communication test
Blink
Field intensity monitor
Lights up
1 Blink:Field intensity (intensity of radio wave)is low
1,2 Blink: Field intensity (intensity of radio wave)is mid
1,2,3 Blink: Field intensity (intensity of radio wave) is high
Error
LED
State
*When operating communication test, blinking 1,2,3 is good condition. (Radio wave level is high)
When operating field intensity monitor, blinking only ALARM, or 1 is good condition (No radio
wave in surrounding)
■
I/O terminal block LED (only I/O type)
[AKR2015]
[AKR2045]
2-11
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Содержание KR20
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