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Modbus(master) rtu / ascii mode, Modbus (master) rtu / ascii mode, Modbus – Delta Electronics Network Device DOP-A/AE/AS User Manual

Page 99

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Delta DOP Series HMI Connection Manual|DOP-A/AE/AS Series

1-98

Revision January, 2008, Doc. Name: 2007PDD23000007

Modbus(Master) --- 984 RTU / ASCII mode

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A. HMI factory settings

Baud rate: 9600, 7, EVEN, 1. (ASCII)

9600, 8, EVEN, 1. (RTU)

Controller station number: 0.

Control area/status area: W40100 / W40200.

B. Definition of controller Read/Write address

Registers

Read/Write Range

Register Type

Format

Word No.

Bit No.

Data length

Output Registers

Wn

n: 40001 ~ 50000

N/A

Word

Input Registers

Wn

n: 30001 ~ 40000

N/A

Word

¾

Input Registers is “read only”.

Contacts

Read/Write Range

Contact type

Format

Word No.

Bit No.

Discrete Outputs

Bn

N/A

n: 1 ~ 10000

Discrete Inputs

Bn

N/A

n: 10001 ~ 20000

¾

Discrete Inputs is “read only”.

C. Connections (Connector Pinouts)

Please refer to 1.1 Pin Definition of Serial Communication for detail.