Yokogawa JUXTA M Series Digital Limit Alarms MVTK Instrukcja Użytkownika Pobierz pdf (Strona 28)

3-14

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

WWR Writes data into D registers and I relays on a word-by-word basis

● Function

Writes data into a sequence of contiguous registers on a word-by-word basis by the speci-

fied number of words, starting at a specified register number .

• The number of words to be written into at a time is 1 to 64.

• For the format of response in the event of failure, see subsection 3.1.2.

• The command shown below includes the checksum function.

When performing communication without checksum, do not include the 2-byte

checksum element in the command.-

● Command/Response (for normal operation)

Number of Bytes 1 2 2 1 3 5 1 2 1 4

Command

element

STX Address

number

(ADR)

CPU

number

0 WWR Comma

or space

number

Comma

or space

Number

of words

(n)

dddd1

• • • Checksumddddn ETX CR

• • •

dddd2

4211

Number of Bytes 1 2 2 2 2 1 1

Response

element

STX Address

number

(ADR)

CPU

number

OK CRChecksum ETX

Write data is specified in a 4-digit character string (0000 to FFFF) in hexadecimal.

Command (continued)

ddddn: write data of the specified number of words

ddddn is a character string in hexadecimal.

n=1 to 64

● Example:

Writing 200 (00C8 [HEX]) into the alarm-1 setpoint (D0101) of the M Series with address

number 03.

[Command]

[STX]03010WWRD0101,01,00C88E[ETX][CR]

OK is returned in response to the above command.

[Response]

[STX]0301OK5E[ETX][CR]

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 69 70

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