Specifications
● Name and Setting of Each PartAJ65BT-64RD3/64RD4
83
Analog Modules AJ65BT-68TD AJ65BT-64RD3 AJ65BT-64RD4
AJ65BT-68TD ● Name and Setting of Each Part
1
CH1+
+24V 24GDA DG
CH2+ CH3+ CH4+ CH5+ CH6+ CH7+ CH8+ RTD
3 5 7 9 111315171921232527
2
DB
4681012 14 16 18 20 22 24 26
CH1- CH2- CH3- CH4- CH5- CH6 CH7- CH8-
SLD (FG)
RTD
DOWN
GAIN
MITSUBISHI
STATION NO.
X10 X1
MODE OFFSET UP RESET
MELSEC A
J65BT-68TD
0
B RATE
PW
RUN
L RUN
SD
RD
L ERR.
4
3
2
1
0
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
SW MODE
0
NORMAL
1∼8
TEST CH.
9 TEST
SET
Operating condition LED display
Offset/gain setting switch
Mode setting switch
Terminal
block
Select this when ending the test mode and
entering normal operation (factory setting)
These settings select a channel for which
errors are compensated for in the test mode.
Select TEST to compensate for errors. The
test mode is entered after 2 seconds.
Station setting switches
UP/DOWN switch
Reset switch
Pt100 resistance temperature sensor
Resistance temperature sensor for measuring
terminal block temperature (attached to the
module)
Transmission speed setting switch
0
1
2
3
4
Other than
0 to 4
Setting number
Transmission speed
156 kbps (factory setting)
625 kbps
2.5 Mbps
5 Mbps
10 Mbps
Not used (If other than 0 to 4 is set, L ERR. LED
turns on and a communication error occurs.)
0
1 to 8
9
OFFSET
GAIN
SET
Compensation mode of the offset value
Compensation mode of the gain value
The temperature detection value when the OFF-
SET/GAIN switch is placed in the SET position, is
stored in the internal memory of AJ65BT-68TD as
the offset/gain value.
Offset/gain setting switch
OFFSET
GAIN
SET
Compensation mode of the offset value
Compensation mode of the gain value
The temperature detection value when the OFF-
SET/GAIN switch is placed in the SET position, is
stored in the internal memory of AJ65BT-68TD as
the offset/gain value.
NORMAL
TEST CH.
TEST
PW LED
RUNLED
L RUN LED
SD LED
RD LED
Turns on during data transmission
Turns on during data reception
L ERR. LED
LED name Item checked
On: When the power supply is
turned on
On: Normal opera-
tion
Normal
mode
On: Communication data error
(CRC error)
On: When thecommunication
is normal
PW LED
RUNLED
L RUN LED
SD LED
RD LED
Turns on during data transmission
Turns on during data reception
L ERR. LED
LED name Item checked
On: When the power supply is
turned on
On: Normal opera-
tion
Normal
mode
On: Communication data error
(CRC error)
On: When thecommunication
is normal
AJ65BT-68TD ● External Connection Diagram
AJ65BT-68TD ● External Dimension Diagram
FilterFilter
Make sure to use shielded compensat-
ing conductor cable.
Make sure to ground.
1
2
Two 4.5mm mounting holes
DOWNGAIN
MITSUBISHI
STATION NO.
X10 X1
MODE OFFSET UP RESET
MELSEC
A
J65BT-68TD
0
B RATE
PW
RUN
L RUN
SD
RD
L ERR.
4
3
2
1
0
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
SET
9
MODE
NORMAL
TEST CH.
TEST
18
0
SW
Unit: mm
1
A1
+24V 24GDA DG
3 5 7 9 11 13 15 17 19 21 23 25 27
2
DB
4681012 14 16 18 20 22 24 26
SLD (FG)
b1 SLD A2 b2 A3 b3 SLD A4 b4
NC B1 SLD NC B2 NC B3 SLD NC B4
1
A1
+24V 24GDA DG
3 5 7 9 11 13 15 17 19 21 23 25 27
2
DB
4681012 14 16 18 20 22 24 26
SLD (FG)
b1 SLD A2 b2 A3 b3 SLD A4 b4
a1 B1 SLD a2 B2 a3 B3 SLD a4 B4
DOWN
MITSUBISHI
STATION NO.
X10 X1
MODE UP RESET
MELSEC
A
J65BT-64RD
0
B RATE
PW
RUN
L RUN
SD
RD
L ERR.
4
3
2
1
0
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
4
3
2
1
SW MODE
0 NORMAL
TEST CH.
9 TEST
GAIN
OFFSET
SET
When a Pt100 sensor
is connected
Circuit
board
When a JPt100 sensor
is connected
Circuit
board
UP/DOWN switch
Reset switch
Pins for specifying the platinum
resistance temperature sensor type
Station setting switches
Transmission speed setting switch
Terminal block
Station setting switches
AJ65BT-64RD3
AJ65BT-64RD4
0
1
2
3
4
Other than
0 to 4
Setting number
Transmission speed
156 kbps (factory setting)
625 kbps
2.5 Mbps
5 Mbps
10 Mbps
Not used (If other than 0 to 4 is set, L ERR. LED
turns on and a communication error occurs.)
Mode setting switch
Select this when ending the test mode and
entering normal operation (factory setting)
These settings select a channel for which
errors are compensated for in the test mode.
Select TEST to compensate for errors. The
test mode is entered after 2 seconds.
0
18
9
NORMAL
TEST CH.
TEST
AJ65BT-64RD3/64RD4
●
External Connection Diagram
AJ65BT-64RD3/64RD4
●
External Dimension Diagram
The highest accuracy can be obtained for
AJ65BT-64RD3 by using 3-conductor type
platinum resistance temperature sensors.
Example of connecting a 3-conductor type
platinum resistance temperature sensor
The highest accuracy can be obtained for
AJ65BT-64RD4 by using 4-conductor type
platinum resistance temperature sensors.
Example of connecting a 4-conductor type
platinum resistance temperature sensor
SLD
b1
B1
A1
GND
Shield
1
a1
CH1
SLD
b4
B4
A4
a4
CH4
SLD
Internal circuitInternal circuit
GND
GND
Shield
1
CH1
SLD
CH4
AJ65BT-64RD4 AJ65BT-64RD3
According to the operating environment, it may be better to connect in some
cases.
1
Internal circuitInternal circuit
Two @4.5mm mounting holes
MITSUBISHI MELSEC
A
J65BT-64RD4
DOWNGAIN
STATION NO.
X10 X1
MODE
OFFSET UP RESET
0
B RATE
PW
RUN
L RUN
SD
RD
L ERR.
4
3
2
1
0
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
4
3
2
1
SET
SW MODE
0 NORMAL
14 TEST CH.
9 TEST
Unit: mm
Product
Description
Master/Local
Remote I/OAnalog
High-Speed
Counters
PositioningHMIRepeatersRS-232
Interfaces
OptionSoftwareOthers
Technical
Information
CC-Link
-
CC-Link / LT
Bridge Modules
Support PC
Interfaces
Peripheral
Device
Connection