Quickstart Guide
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Modbus
Gen 1 Drivers

Modbus RTU-Offset (Gen1)

6min

Note: This driver will be deprecated in a future release. We recommend using the Gen 2 Modbus RTU.

Review the following information for setting up and configuring the Modbus RTU-Offset (Gen1) driver.

Manufacturing Connect Edge Compatible Series

Compatibility parameter

Compatible items

Driver type

Serial

When to use

Serial connection to a device using Modbus RTU

Replaced with Gen 2 driver

Modbus RTU

To set up and configure this device in Manufacturing Connect Edge, you will need to do the following:

  • Step 1: Set up and Configure the PLC Device
  • Step 2: Set up the PLC Device in Manufacturing Connect Edge DeviceHub
  • Step 3: Configure the List of Registers

Step 1: Set up and Configure the PLC Device



Step 2: Set up the PLC Device in Manufacturing Connect Edge DeviceHub



Parameter

Value

Type

Modbus

Driver

Modbus RTU (Offset) (Gen1)

Communication Port

Local Serial connection file path

Data Bits

8

Baud Rate

9600

Parity

Even, Odd, None

Stop Bits

1

Station

1



Name

Value Type

Address Format

Min Address

Max Address

Description

D

bit

DDDD

0

9999

Discrete Input Contacts

C

bit

DDDD

0

9999

Discrete Output Coils

H_Bit

bit

DDDDdd

0

999915

Analog Output Holding Registers

I_Bit

bit

DDDDdd

0

999915

Analog Input Registers

H

int, uint

DDDD

0

9999

Analog Output Holding Registers

I

int, uint

DDDD

0

9999

Analog Input Registers

H_Ulong

ulong, ulong (big-endian)

DDDD

0

9998

Analog Output Holding Registers

I_Ulong

ulong, ulong (big-endian)

DDDD

0

9998

Analog Input Registers

H_Float

float, float (big-endian)

DDDD

0

9998

Analog Output Holding Registers

I_Float

float, float (big-endian)

DDDD

0

9998

Analog Input Registers

H_Double

double, double (big-endian)

DDDD

0

9996

Analog Output Holding Registers

I_Double

double, double (big-endian)

DDDD

0

9996

Analog Input Registers