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Melsec devices – Yaskawa MP920 Communications Module User Manual

Page 142

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6 217IF Module

6.6.2 MELSEC Communications

6-26

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MELSEC Devices

The table below shows the MELSEC bit devices and word devices that can be accessed from
the MP900.

The MP900 register numbers corresponding to the MELSEC device range and the MEMO-
BUS commands used are also shown in the table.

* Register number offsets can be specified for both input relays and coils by the MSG-SND and

MSG-RCV system functions.

* Register number offsets can be specified for both input registers and holding registers by the

MSG-SND and MSG-RCV system functions.

Table 6.10 MELSEC Bit Devices

Device

Device Range for Common

ACPU Commands

Decimal/

Hexadecimal

MEMOBUS

Command

Leading No.

Register No.

*

X

X0000 to X07FF

Hexadecimal

02H: Input relays

0 to 2047

MB000000 to MB00127F

Y

Y0000 to Y07FF

Hexadecimal

01H/0FH: Coils

0 to 2047

MB000000 to MB00127F

M

M0000 to M2047

Decimal

01H/0FH: Coils

2048 to 4095

MB001280 to MB00255F

L

L0000 to L2047

S

S0000 to S2047

M

M9000 to M9255

Decimal

01H/0FH: Coils

4096 to 4351

MB002560 to MB00271F

B

B0000 to B03FF

Hexadecimal

01H/0FH: Coils

4352 to 5375

MB002720 to MB00335F

F

F0000 to F0255

Decimal

01H/0FH: Coils

5376 to 5631

MB003360 to MB00351F

TS

TS000 to TS255

Decimal

02H: Input relays

2048 to 2303

MB001280 to MB00143F

TC

TC000 to TC255

Decimal

02H: Input relays

2304 to 2559

MB001440 to MB00159F

CS

CS000 to CS255

Decimal

02H: Input relays

2560 to 2815

MB001600 to MB00175F

CC

CC000 to CC255

Decimal

02H: Input relays

2816 to 3071

MB001760 to MB00191F

Table 6.11 MELSEC Word Devices

Device

Device Range for

Common ACPU

Commands

Decimal/

Hexadecimal

MEMOBUS Command

Leading No.

Register No.

*

TN

TN111 to TN255

Decimal

04H: Input registers

0 to 255

MW00000 to MW00255

CN

CN000 to CN255

Decimal

04H: Input registers

256 to 511

MW00256 to MW00511

D

D0000 to D1023

Decimal

03H/10H: Holding registers

0 to 1023

MW00000 to MW01023

D (Special) D9000 to D9255

Decimal

03H/10H: Holding registers

1024 to 1279

MW01024 to MW01279

W

W0000 to W03FF

Hexadecimal

03H/10H: Holding registers

1280 to 2303

MW01280 to MW02303

R

R0000 to R8191

Decimal

03H/10H: Holding registers

2304 to 10495

MW02304 to MW10495