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MELSEC-A
4 SETUP AND PREPARATION BEFORE OPERATION
Number
Name and
appearance
Description
POWER
ON : Power supply on
OFF : Power supply off
Normal
mode
On
: Normal operation
Flashing : 0.1s intervals : Output range setting error, mode select switch setting error.
This module is used as the Ver.2 remote device station (Ver.2
compatible slave station) when the network parameter mode
is set to remote network Ver.1 mode.
0.5s intervals : Average value setting (count) time error. Mode select switch
setting is changed after power-on.
Off
: 24VDC power supply shutoff or watchdog timer error occurred.
RUN
Test
mode
On
: Indicate that the SELECT/SET switch is in the SET position.
Flashing : 0.1s intervals : Mode select switch setting error.
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
On : Normal
communication
Off : Communication cutoff (time expiration error)
1)
Operation status
display LED
L ERR.
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 4.5)
3)
SELECT/SET
switch
Used to make offset/gain setting in the test mode.
4)
UP/DOWN
switch
Used to adjust the offset value and gain value of the channel specified by the SELECT/SET switch.
The switch to be used for selecting the mode among Ver. remote device station (Ver. -compatible slave
station)/Normal mode/Test mode
AJ65VBTCU-68DAVN
Ver.1 remote device station
(Ver.1-compatible slave station)
0: Normal mode
1: Test mode (User range setting 1)
2: Test mode (User range setting 2)
Ver.2 remote device station
(Ver.2-compatible slave station)
3: Normal mode
4: Test mode (User range setting 1)
5: Test mode (User range setting 2)
-
6 to 7: Use prohibited
5)
Mode select
switch
(Factory-set to
"0")
Setting
Switches
Set Value
4 2 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
6)
Transmission
speed setting
switches
1
2
4
B
R
A
TE
ON
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.