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Signals and wiring – MITSUBISHI ELECTRIC MELSERVO MR-J2S- A User Manual

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3. SIGNALS AND WIRING

Control

mode

Signal

Symbol

Connec-

tor pin

No.

Functions/Applications

I/O

division

P

S

T

External torque
limit selection

TL

CN1B

9

Turn TL off to make Internal torque limit 1 (parameter No. 28)
valid, or turn it on to make Analog torque limit (TLA) valid.
For details, refer to (5), Section 3.4.1.

DI-1

Internal
torque limit
selection

TL1

When using this signal, make it usable by making the setting of
parameter No. 43 to 48.
For details, refer to (5), Section 3.4.1.

DI-1

Used to start the servo motor in any of the following directions:

(Note) Input signals

ST2

ST1

Servo motor starting direction

Forward rotation
start

ST1

CN1B

8

0

0

Stop (servo lock)

0

1

CCW

1

0

CW

1

1

Stop (servo lock)

Reverse rotation
start

ST2

CN1B

9

Note. 0: off

1: on

If both ST1 and ST2 are switched on or off during operation, the
servo motor will be decelerated to a stop according to the
parameter No. 12 setting and servo-locked.

DI-1

Used to select any of the following servo motor torque generation
directions:

(Note) Input signals

RS2

RS1

Torque generation direction

Forward rotation
selection

RS1

CN1B

9

0

0

Torque is not generated.

0

1

Forward rotation in driving mode /
reverse rotation in regenerative mode

1

0

Reverse rotation in driving mode /
forward rotation in regenerative mode

1

1

Torque is not generated.

Reverse rotation
selection

RS2

CN1B

8

Note. 0: off

1: on

DI-1