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Chapter 5 responses, 1 response syntax, 1 response syntax -1 – Yokogawa Button Operated MV2000 User Manual

Page 120: App index, Affirmative response, Single negative response, Multiple negative responses

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IM MV1000-17E

Responses

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App

Index

5.1 Response Syntax

The following table shows the types of responses for various commands described in the
previous chapter.
The MV returns a response (affirmative/negative response) to a command that is
delimited by a terminator. The controller should follow the one command to one response
format. If the command-response rule is not observed, the operation is not guaranteed.

Commands

Response

Group

Affirmation

Negation

Setting commands

Setting

Affirmative response

Single negative

response or multiple

negative responses

Control

Basic Setting commands
Output commands

Control
Setup, measured, and

computed data output

Text output
Binary output

RS-422/485

Dedicated response

No response

Special response

commands

Dedicated response

* For details on the responses of the instrument information server function, see section 5.4.
For details on responses to special commands, see section 4.10.

Note

CRLF” used in this section denotes carriage return line feed.

Affirmative Response

If a command is processed normally, the MV returns an affirmative response.

• Syntax

E0CRLF

• Example

E0

Single Negative Response

If a command fails to be processed normally, the MV returns a single negative response.

• Syntax

E1_nnn_mmm···mCRLF
nnn Error number (001 to 999)
mmm···m Message (variable length, one line)
_ Space

• Example

E1 001 "System error"

Multiple Negative Responses

• If there is an error in any of the multiple commands that are separated by sub

delimiters, the MV returns multiple negative responses.

• The MV transmits a response for each command that causes an error.
• If there are multiple commands that have errors, the MV transmits negative responses

separated by commas.

• The error position numbers are assigned in order to the series of commands. The first

command is assigned the number 1.

Chapter 5

Responses

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