User`s manual

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MELSEC-A
4 SETUP AND PREPARATION BEFORE OPERATION
Number
Name and
appearance
Description
POWER
LED
ON : Power supply on
OFF: Power supply off
Normal
mode
On : Normal operation
Flashing : 0.1s intervals: Input range setting error, mode select switch setting error
0.5s intervals: Average value setting (count) time error
Off : 24VDC power supply shutoff or watchdog timer error occurred
RUN LED
Test
mode
On : Indicates that the SELECT/SET switch is in the SET position.
Flashing : 0.5s intervals: An attempt was made to make setting outside the setting
range at the time of offset/gain setting.
Off : Indicates that the SELECT/SET switch is in the SELECT or center position.
L RUN
LED
On : Normal communication
Off : Communication cutoff (time expiration error)
1)
Operation status
display LED
L ERR.
LED
On : Indicates that transmission speed setting or station number setting is outside the range.
Flicker at fixed intervals : Indicates that transmission speed setting or station number setting
was changed from that at power-on.
Flicker at unfixed intervals : Indicates that you forgot fitting the terminating resistor or the module
or CC-Link dedicated cable is affected by noise.
Off : Indicates normal communications.
Normal
mode
Normally OFF
2)
Offset/gain
adjusting LEDs
TEST
CH
OFFSET
GAIN
Test
mode
TEST:ON
The OFFSET/GAIN/ CH
LEDs lit change every time the SELECT/SET switch is
moved to SELECT. (Refer to section 4.4)
3)
SELECT/SET
switch
Used to make offset/gain setting in the test mode.
Normal mode/ Test mode select switch
AJ65VBTCU-68ADV AJ65VBTCU-68ADI
4)
Mode select
switch
0: Normal mode
1: Test mode (user range setting 1)
2: Test mode (user range setting 2)
3 to 7: Must not be used
0: Normal mode
1: Test mode (user range setting)
2 to 7: Must not be used
Setting Switches
Set Value
42 1
Transmission Speed
0 OFF OFF OFF 156kbps
1 OFF OFF ON 625kbps
2 OFF ON OFF 2.5Mbps
3 OFF ON ON 5.0Mbps
4 ON OFF OFF 10Mbps
5)
Transmission
speed setting
switches
1
2
4
B RATE
Always set the transmission speed within the above range.
The switches are all factory-set to OFF.
Making any other setting than the above will result in an error flickering the "L ERR." LED.
Confirm the transmission speed setting switch numbers on the seal located on the side face of the connector
for analog I/O.