8

CJ1W-MCH71

External Interface

LED Indicators

* When the ERC or ERH indicator is lit, these four indicators show the internal error status.

Name

Color

Status

Content

RUN

(RUN)

Green

Lit

Motion Control Unit is operating normally.

Not lit

Not recognized by PLC, or MC Unit is broken.

ERC

(MC Unit Error)

Red

Lit

An error has occurred in the MC Unit.

Not lit

MC Unit is operating normally.

ERH

(CPU Unit Error)

Red

Lit

An error has occurred in the CPU Unit.

Not lit

CPU Unit is operating normally.

ER1 *

(Internal error status)

Yellow

Lit

An internal error has occurred.

Not lit

MC Unit is operating normally.

ER2 *

(Internal error status)

Yellow

Lit

An internal error has occurred.

Not lit

MC Unit is operating normally.

ER3 *

(Internal error status)

Yellow

Lit

An internal error has occurred.

Not lit

MC Unit is operating normally.

ER4 *

(Internal error status)

Yellow

Lit

An internal error has occurred.

Not lit

MC Unit is operating normally.

SSI

Yellow

Lit

Not used.

Not lit

Not used.

MLK

(MECHATROLINK-II)

Yellow

Lit

MLK is operating normally.

Not lit

An error has occurred in the MLK.

SSI

MLK

SSI

MLK

MCH71

RUN

ERC

ER1

ER2

ERH

ER3

ER4

UNIT

No.

I/O

LED Indicators

T.B connector,

SSI connector

(Cannot be used)

I/O connector

MECHATROLINK-II

connector

UNIT No. Setting

switch