Yokogawa JUXTA M Series Digital Limit Alarms MVTK Manuale Utente Scaricare il pdf (Pagina 51)

5-5

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

03 Reads data from multiple D registers

● Function

Reads the contents of a sequence of contiguous D registers by the specified number of D

registers, starting at a specified D register number.

• The maximum number of D registers to be read at a time is 64.

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

● Message (for normal operation)

Number of bytes in RTU mode

Number of bytes in ASCII mode

None 1 1 2

4122

Error

Check

End of Message

Mark (CR+LF)

None

Element Start of

Message Mark

(:)

Address

Number

(ADR)

Function

Code (03)

D-Register

Start Number

Number of

D Registers

Message (continued)

● Response (for normal operation)

Response (continued)

Element Start of

Message Mark

(:)

Address

Number

(ADR)

Function

Code (03)

Byte

Count

Contents of

D Register

Number of bytes in RTU mode None 1 1 1 2

12 224Number of bytes in ASCII mode

Contents of

D Register

Error

Check

End of Message

Mark (CR+LF)

None22

224

• • •

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 69 70

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