Specifications
Standard Wiring Diagram
38
MR-J2S-MA (1)/MR-J2S-MA (4) type: Speed control operation
Notes:
1. Do not reverse the diode’s direction. Connecting it backwards could cause the amplifier to malfunction so 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 must be closed. If it is not closed, operation will be impossible.
4. LSP and LSN contacts must be closed for normal operation. If they are not closed, command 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. Always connect the servo amplifier protection ground (PE) (for preventing shocks) to the control box’s protection ground (PE).
CN2
CON2
CN3
Speed selection 1
Speed reached
Control common
Encoder Z-phase pulse (differential line driver)
Encoder A-phase pulse (differential line driver)
Encoder B-phase pulse (differential line driver)
Encoder Z-phase pulse (open collector)
Ready
COM
RA4
RA5
CN1B
9
SP1
SG
8
RD
10
SA
19
SG
18
20
LZ
5
LZR
15
LA
6
LAR
16
LB 7
LBR
17
LG
1
OP
14
P15R
4
SD
EMG
15
SON
5
RES
14
ST1
8
SP2 7
ST2 9
LSP 16
LSN 17
SG 10
SG 20
VDD
3
COM
13
ZSP
19
ALM
18
TLC
6
P15R
11
TLA
12
2
LG
VC
1
SD
Speed selection 2
(Note 3) Emergency stop
Forward rotation start
Reverse rotation start
Forward stroke end
Reverse stroke end
Reset
Servo on
Analog speed command
±10V/rated speed
(in this wiring diagram,
+10V/rated speed)
RA1
RA2
RA3
(Note 1, 2)
(Note 1, 2)
(Note 9)
(Note 5, 6)
CN5A
CN5B
L1
L2
L3
L11
L21
CN4
Main-circuit
power supply
Control-circuit
power supply
The connection differs according to the power voltage.
→
Refer to the main circuit/control circuit power supply
connection examples (1) to (8).
Main circuit/control circuit
power supply connection
CN1A
(Note 5, 6)
(Note 6)
(Note 6)
Servo amplifier
MR-J2S-
MA/A1/A4
10 meters (32.81 ft) max.
10 meters (32.81 ft) max.
10 meters (32.81 ft) max.
10 meters (32.81 ft) max.
2 meters (6.56 ft) max.
2 meters (6.56 ft) max.
Do not connect when using
an external power-supply.
(Note 7) Malfunction
Zero speed detection
Torque limit in effect
Analog torque limit
+10V/maximum torque
Upper limit setting
Upper limit setting
Connector CN2 connection
The connection differs according to each servomotor.
→
Refer to the connector CN2 connection examples (9) to (11).
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.
Connector CN3 connection
The connection differs according to the servo amplifier.
→
Refer to the connector CN3/CN4 connection examples (12) and
(13).
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.
(Note 4)
PLATE
PLATE
● Connection