16 writes data into multiple d registers, Function, Message (for normal operation) – Yokogawa JUXTA M Series Digital Limit Alarms MVTK User Manual

Page 56: Response (for normal operation)

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5-10

<Toc> <Ind>

<5. MODBUS Communication >

IM 77J04J11-01E 1st Edition : 2006.08.25-00

16

Writes data into multiple D registers

Function

Writes data into a sequence of contiguous D registers by the specified number of D regis-
ters, starting at a specified D register number.

The maximum number of D registers to be written into at a time is 32.

For the format of response in the event of failure, see subsection 5.2.2.

Broadcast addressing is possible by setting 00 in the address number.

Message (for normal operation)

Message (continued)

Element

Start of

Message Mark

(:)

Address

Number

(ADR)

Function

Code (10)

D-Register

Start Number
(Lower Digit)

Number of bytes in RTU mode

None

1

1

1

1

None

2

2

2

2

D-Register

Start Number
(Upper Digit)

1

2

Number of bytes in ASCII mode

Error

Check

End of Message

Mark (CR+LF)

Number of

D Registers

(Upper Digit)

2

1

Number of

D Registers

(Lower Digit)

2

1

Byte

Count

2

1

Data

(Upper Digit)

2

1

Data

(Lower Digit)

2

1

2

2

• • •

• • •

• • •

Response (for normal operation)

Response (continued)

Element

Start of

Message Mark

(:)

Address

Number

(ADR)

Function

Code (10)

D-Register

Start Number
(Lower Digit)

Number of bytes in RTU mode

None

1

1

1

1

None

2

2

2

2

D-Register

Start Number
(Upper Digit)

1

2

Number of bytes in ASCII mode

Error

Check

End of Message

Mark (CR+LF)

Number of

D Registers

(Upper Digit)

2

1

Number of

D Registers

(Lower Digit)

2

1

2

2

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