3 writing parameters, Command/response, Example – Yokogawa JUXTA M Series Digital Limit Alarms MVTK User Manual

Page 44

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4-4

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<4. Ladder Communication >

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

4.2.3

Writing Parameters

Shown below are the configurations of commands and responses when the parameters
are written into the M Series from the PLC.

Command/Response

Number of Bytes

1

1

2

2

1

1

1

1

Number of BCD Digits

2

2

1

4

4

2

2

1

1

1

Command element

Address

number

(ADR)

Parameter

number

CPU

number

01

CR

(0D)

LF

(0A)

0

1

+/-

0

dddd

Number of Bytes

1

1

2

2

1

1

1

1

Number of BCD Digits

2

2

1

4

4

2

2

1

1

1

Response element

Address

number

(ADR)

Parameter

number

CPU

number

01

CR

(0D)

LF

(0A)

0

1

+/-

0

dddd

Example:

Writing 200 into the alarm-1 setpoint (D0101) of the M Series with address number 01.

[Command]

01010101001002000D0A

The alarm-1 setpoint 200 (BCD code) is returned with respect to the above command (20.0
is expressed as 200).

[Response]

01010101001002000D0A

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