File Name:CMU2-SPEC 2022-04-26

Multi-Industry General Purpose Smart Controller

CMU2 series

Pin No.

Function

1

DIN 1

FG

DIN 2

DIN 3

DIN 4

DIN 5

2,4,6,8,10

3

5

7

9

Description

The isolated digital input signal with FG as reference

Open from FG or +5V : Logic "1" input to CMU2

Short to FG or 0V : Logic "0" input to CMU2

The isolated digital input signal with FG as reference

Open from FG or +5V : Logic "1" input to CMU2

Short to FG or 0V : Logic "0" input to CMU2

Common FG for DINx

※ DIN Connector Pin No. Assignment (CN39)

Pin No.

Pin No.

Pin No.

Pin No.

Pin No.

Function

Function

Function

Function

Function

1

1

1,2,3,5,9,

10,11,13

1,2,3,5,9,

10,11,13

D- / DB

+5V_AUX

NC

NC

2

2

4,12

4,12

2

1

3

6,14

6,14

3

4

7,15

7,15

4,5,7,8

5,6

8,16

8,16

6

D+ /DA

RXD

CONTROL

CONTROL

TX+

TX-

RX+

FG

RX-

FG

SDA

CAN-H

TXD

SCL

CAN-L

NC

FG

FG

Description

Description

Description

Description

Description

Differential digital signal used in the RS485 interface

VCC

Not use

Not use

Differential digital signal used in the RS485 interface

Data receiving pin of RS-232 interface

Remote ON/OFF control pin (Note)

Remote ON/OFF control pin (Note)

Transmit data used in the Ethernet interface

Common FG for signal

Serial Data used in the PMBus interface (Note)

CAN-H used in the CAN Bus interface (Note)

Receive data used in the Ethernet interface

Data transmitting pin of RS-232 interface

Serial Clock used in the PMBus interface (Note)

CAN-L used in the CAN Bus interface (Note)

Common FG for signal

Not used

Common FG for signal

Common FG for signal

Receive data used in the Ethernet interface

※ RS-485 Connector Pin No. Assignment (TB51) & Extension Cards(RS-485(TB80)): DECA ME030-5802 or equivalent

※ RS-232 Connector Pin No. Assignment (JK53): RJ11 6 position

※ PMbus Connector Pin No. Assignment (JK51) & Extension Cards(PMBus (JK900,JK901)): RJ45 8 positions

※ CANbus Connector Pin No. Assignment (JK52) & Extension Cards(CANBus (JK600,JK601)): RJ45 8 positions

※ Ethernet Connector Pin No. Assignment (JK22): RJ45 8 position

Note: Isolated signal, with FG as reference

Note: Isolated signal, with FG as reference

Pin No.

Function

1,4,6,7,8,9

NC

RXD

TXD

GND-FG

2

3

4

Description

Not used

Data receiving pin of RS-232 interface

Data transmitting pin of RS-232 interface

RS-232 common GND. This signal connects to FG and isolated from -V and GND-AUX

※

CN

Extension Cards(RS-232(

891))