Mitsubishi Electronics AJ65BT-D75P2-S3 ユーザーズマニュアル

1 - 10

MELSEC-A

1 PRODUCT OUTLINE

1.1.5 Communicating signals between D75P2 and each module

The outline of the signal communication between the D75P2 and PLC CPU, peripheral
device and drive unit, etc., is shown below.

RX(n+7)B

RXnD, RXnE

RY(n+1)0,

RY(n+1)1

RXn7, RXn8

RXn0

RY(n+1)6,

RY(n+1)8
RY(n+1)7,

RY(n+1)9

RXn4, RXn5
RXn1, RXn2

RY(n+1)3,

RY(n+1)4

RXnA, RXnB

Data write/read

Error detection signal

Master module

D75P2

Remote station READY signal

D75P2 READY signal

Interface with
master module

External
interface

Drive unit READY signal

Drive unit

Upper/lower limit signal

Near-point dog signal

Zero point signal

Forward run JOG start signal

Reverse run JOG start signal

Deviation counter clear

Pulse train

Positioning start signal

Positioning complete signal

BUSY signal

Start complete signal

Axis stop signal

M code ON signal

Manual pulse generator A-phase

Manual pulse generator B-phase

External
signal

Manual pulse
generator

Speed/position changeover signal

Stop signal
External start signal

Peripheral
device
interface

Peripheral
device

Parameter write/read
Positioning data write/read

Positioning start information
write/read
Zero point return operation
(test)

JOG operation (test)
Positioning operation (test)

Operation monitor

PLC CPU

Write/read

D75P2

Master module

The D75P2 and Master module communicate the following data via the base unit.

Direction

Communication

D75P2 Master module

Master module D75P2

Control signal *

Signal indicating D75P2 state, such as
D75P2 READY signal, BUSY signal.

Signal related to commands such as
various start signals, stop signals, etc.

Data (read/write)

Parameter, positioning data, positioning
start information, monitor data, control data

Parameter, positioning data, positioning
start information, control data

* Refer to the section "3.4 Specifications of input/output signals with master module" for details.