Yaskawa MP940 Reference Manual User Manual

Page 162

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Connection Method

MotionSuite™ MP940 Machine Controller Reference Manual

5-20

RS-485 Wiring

Enable the terminal resistor in the MP940 Port2 by connecting pin 2 to pin
11, and pin 4 to pin 7.

BAT

RDY

RUN

ALM

BAT

PRT1

6
5

4
3

2
1

NO

PRT2

RUN

INIT
TEST

FLASH

PP
COPY

PORT1

PORT2

POWER

+24V

GND

FG

LED

I/O

TX

R
X

1

2

M
E
C
H
A
T
R
O
L

I

N
K

MP940

端末装置

(PLCなど)

端末装置

(PLCなど)

端末装置

(PLCなど)

端末装置

(PLCなど)

:120Ω終端抵抗

RS-485

MP940

120

Ω terminal resistor

Terminal
Devices
(e.g. PLC)

Terminal
Devices
(e.g. PLC)

Terminal
Devices
(e.g. PLC)

Terminal
Devices
(e.g. PLC)

120

Terminal
Resistor

TX/RX

TX/RX

TX/RX

1

TX(+)

2

TX(-)

11

TXR

3

RX(+)

4

RX(-)

7

RXR

3

SH

14

SH

FG

MP940 PORT2

FG

シールド

例えば,中間に217IFが
接続された場合は以下の
ようになります。

120Ω

終端抵抗

SH TX

(-)

TX

(+)

RX

(-)

RX

(+)

SH

3

6

7

1

2

8

Shield

Terminal
Resistor

The following results when an
MP940 is connected as a node.

SHIELD

GND

2

1

4

3

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