Pact Series ComPact NSX – Modbus Communication – User Guide PDF
DOCA0091EN-08

Digital Input and Output Status

Addresses and Registers List

The following table describes the digital inputs and outputs status addresses, and registers regarding the IO module.

IO Module

Addresses

Registers

IO 1

0x3905–0x3908

14598–14601

IO 2

0x44BD–0x44C0

17598–17601

Digital Input and Output Status Registers for IO 1

The order and the description of the digital input and output status registers for IO 2 are the same as those of IO 1.

Address

Register

RW

Unit

Type

Range

Bit

Description

0x3905

14598

R

–

INT16U

–

–

Quality of each bit of register 14599:

  • 0 = Invalid

  • 1 = Valid

0x3906

14599

R

–

INT16U

–

–

Digital input status register:

  • Input status = 0 when input is OFF

  • Input status = 1 when input is ON

0

I1 status

1

I2 status

2

I3 status

3

I4 status

4

I5 status

5

I6 status

6–15

Reserved

0x3907

14600

R

–

INT16U

–

–

Quality of each bit of register 14601:

  • 0 = Invalid

  • 1 = Valid

0x3908

14601

R–WC

–

INT16U

–

–

Digital output status register:

  • Output status = 0 when output is OFF

  • Output status = 1 when output is ON

0

O1 status

1

O2 status

2

O3 status

3–15

Reserved
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