File -> Properties - Modbus address space

In this tab, you can view the mapping relationship between ModBus address and LOGO! resource.

The following table lists the Modbus space address for LOGO! 9.0 device:

Type Name

LOGO! Resource

Modbus Address

Direction

Unit

I

1 - 64

Discrete input 1 - 64

R

bit

Q

1 - 60

Coil 8193 - 8252

R/W

bit

M

1 - 128

Coil 8257 - 8384

R/W

bit

V

0.0 - 850.7

Coil 1 - 6808

R/W

bit

AI

1 - 16

Input Register 1 - 16

R

Word

VW

0 - 848

Holding Register 1 - 425

R/W

Word

AQ

1 - 16

Holding Register 513 - 528

R/W

Word

AM

1 - 128

Holding Register 529 - 656

R/W

Word

FAM

1 - 32

Holding Register 721 - 784

R/W

Double word

VX

0.0 - 2047.7

Coil 16385 - 32768

R/W

bit

VR

0.0 - 511.7

Coil 32769 - 36864

R/W

bit

VXW

0 - 2046

Holding Register 801 - 1824

R/W

Word

VRW

0 - 510

Holding Register 1825 - 2080

R/W

Word

The following table lists the Modbus space address for LOGO! 8.4 devices:

Type Name

LOGO! Resource

Modbus Address

Direction

Unit

I

1 - 24

Discrete input 1 - 24

R

bit

Q

1 - 20

Coil 8193 - 8212

R/W

bit

M

1 - 64

Coil 8257 - 8320

R/W

bit

V

0.0 - 850.7

Coil 1 - 6808

R/W

bit

AI

1 - 8

Input Register 1 - 8

R

Word

VW

0 - 848

Holding Register 1 - 425

R/W

Word

AQ

1 - 8

Holding Register 513 - 520

R/W

Word

AM

1 - 64

Holding Register 529 - 592

R/W

Word

VX

0.0 - 2047.7

Coil 16385 - 32768

R/W

bit

VR

0.0 - 511.7

Coil 32769 - 36864

R/W

bit

VXW

0 - 2046

Holding Register 801 - 1824

R/W

Word

VRW

0 - 510

Holding Register 1825 - 2080

R/W

Word

The following table lists the Modbus space address for LOGO! 8.1, LOGO! 8.2 and LOGO! 8.3 devices:

Type Name

LOGO! Resource

Modbus Address

Direction

Unit

I

1 - 24

Discrete input 1 - 24

R

bit

Q

1 - 20

Coil 8193 - 8212

R/W

bit

M

1 - 64

Coil 8257 - 8320

R/W

bit

V

0.0 - 850.7

Coil 1 - 6808

R/W

bit

AI

1 - 8

Input Register 1 - 8

R

Word

VW

0 - 848

Holding Register 1 - 425

R/W

Word

AQ

1 - 8

Holding Register 513 - 520

R/W

Word

AM

1 - 64

Holding Register 529 - 592

R/W

Word