Yokogawa JUXTA M Series Digital Limit Alarms MVTK Manual do Utilizador descarregar pdf (Página 22)

3-8

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

BWR Writes data into I relays on a bit-by-bit basis

● Function

Writes ON/OFF data into a sequence of contiguous I relays by the specified number of bits,

starting at a specified I relay number.

• The number of bits to be written into at a time is 1 to 256.

• 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)

Command

element

STX Address

number

(ADR)

CPU

number

0 BWR d1 d2I relay

number

Comma

or space

Number

of bits

(n)

Comma

or space

• • • dn Checksum ETX

Write data 0 and 1 indicate OFF and ON respectively.

Command (continued)

• • •

OK ETX CRResponse

element

STX Address

number

(ADR)

CPU

number

Checksum

Number of Bytes 1 2 2 2 2 1 1

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

dn: write data of the specified number of bits (n=1 to 256)

dn=0 (OFF)

dn=1 (ON)

● Example:

Setting the user-defined flag of the M Series with address number 01 to ON.

The following command writes ON into the user-defined flag (

I0033) of address number 01.

[Command]

[STX]01010BWRI0033,001,106[ETX][CR]

Note: The user-defined flags are flags that the user can freely read/write.

OK is returned in response to the above command.

[Response]

[STX]0101OK5C[ETX][CR]

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 69 70

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