File -> Properties - Modbus address space

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

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 - 850

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