Specifications

Standard Wiring Diagram
37
INP
L1
L2
L3
L11
L21
COM
9
OPC 11
18
RD
19
PP
3
PG
13
NP
2
NG 12
CR 8
SG
10
LZ 5
LZR
15
LG 1
LA 6
LAR 16
LB 7
LBR 17
LG 1
OP 14
P15R 4
SD
PLATE
PLATE
Servo amplifier
MR-J2S-
MA/A1/A4
CN1B
(Note 3) Emergency stop
Servo on
Reset
Proportional control
Torque limit selection
Forward stroke end
Reverse stroke end
Positioning unit QD75D
RDY COM
MM12
MM11
MM14
MM 9
MM10
MM18
MM13
MM16
MM17
MM15
Name
Pin No.
READY
PULSE F–
PULSE R+
PULSE R–
CLEAR COM
PG05
PG0 COM
Encoder A-phase pulse (differential line driver)
Encoder B-phase pulse (differential line driver)
Encoder Z-phase pulse (open collector)
Control common
Control common
Control common
CLEAR
PULSE F+
CN1A
Main circuit
power supply
Control circuit
power supply
10m (32.81ft) max.
10m (32.81ft) max.
10m (32.81ft) max.
2m (6.56ft) max.
2m (6.56ft) max.
(Note 5, 6)
(Note 9)
(Note 5, 6)
CN2
(Note 6)
(Note 6)
(Note 4)
Do not connect when using
an external power supply.
(Note 7) Malfunction
Zero speed detection
Torque limit in effect
(Note 1, 2)
(Note 1, 2)
Analog torque limit
+10V/maximum torque
Upper limit setting
EMG
SON
RES
PC
TL
LSP
LSN
SG
SG
VDD
COM
ZSP
ALM
TLC
P15R
TLA
LG
SD
15
5
14
8
9
16
17
10
20
3
13
19
18
6
11
12
1
RA1
RA2
RA3
Notes:
1. Do not reverse the diode’s direction. Connecting it backwards could cause the amplifier to malfunction that signals are not output, and emergency stop and other safety circuits are
inoperable.
2. Make sure that the sum of current flowing to external relays does not exceed 80mA. If it exceeds 80mA, supply interface power from an external source.
3. EMG (emergency stop) contact (normally closed contact) must be installed. If it is not installed, operation will be impossible.
4. LSP and LSN contacts must be closed for normal operation. If they are not closed, the commands will not be accepted.
5. Signals with the same name are connected inside.
6. CN1A, CN1B, CN2 and CN3 are all the same shape. Connecting them wrong can cause damage.
7. Malfunction signal (ALM) is turned on during normal operation when no alarms have been triggered.
8. Connect the shield wire securely to the plate inside the connector (ground plate).
9. This connection is not necessary for QD75D of the positioning unit. Note that the connection between LG and Control common terminal is recommended to increase noise resistance
depending on the positioning unit being used.
10. Always connect the servo amplifier protection ground (PE) (for preventing shocks) to the control box’s protection ground (PE).
Connector CN2 connection
The connection differs according to each servo motor.
→
Refer to the connector CN2 connection examples (9) to (11).
The connection differs according to the power voltage.
→
Refer to the main circuit/control circuit power supply
connection examples (1) to (8).
CON2
CN5A
CN5B
CN3
Connector CN3 connection
The connection differs according to the servo amplifier.
→
Refer to the connector CN3/CN4 connection examples (12) and
(13).
CN4
Connector CN4 connection
This is used only with the MR-J2S-11KA(4) or larger.
→
Refer to the connector CN3/CN4 connection example (13).
The 7kW or smaller capacity does not have connector CN4.
Connector CN5A/CN5B connection
This is used only with the MR-J2S-30KA(4) or larger.
→
Refer to the main circuit/control circuit power supply
connection example (6).
The 22kW or smaller capacity does not have connectors
CN5A and CN5B.
RA4
(Note 10)
Main circuit/control circuit
power supply connection
Connector CON2 is used only with the MR-J2S-11KA(4)
or larger.
Note that this is used for maker adjustments and nothing
should be connected to it.
MR-J2S-MA (1)/MR-J2S-MA (4) type: Position control operation
● Connection to QD75D (position servo, incremental)