Advantech Data Acquisition Modules ADAM 4000 Bedienungsanleitung PDF herunterladen (Seite 255)

100

101

Digital I/O and Relay Output

Counter/Frequency Command Set

ADAM 4000 Series User’s Manual

$AAX0TTTTDDDD

Name Write Safety Value command

Description Force the DO channels to safety status when communication

is in time-out and over pre-defined period.

Syntax $AAX0TTTTDDDD(cr)

$ is a delimiter character.

AA (range 00-FF) represents the 2-character hexadecimal

address that you will access to.

X0 is the Write Safety Value command.

TTTT is the time, 100 ms per number.

DDDD is the four-hexadecimal character representing the

desired input safety value. The first character D is always 0,

and the others are the channels values.

For Example, 017A

First character is always 0

The meaning of 17A is as follows:

Digital value 0 0 01011110 1 0

Adam-4056SO channel no. 11 10 9 8 7 6 5 4 3 2 1 0

17A means that the status of channel 1, 3, 4, 5, 6, 8 is ON;

and the rest are OFF.

(cr) is the terminating character, carriage return (0Dh).

Response >(cr) if the command was valid.

?AA(cr) if an invalid command has been issued.

There is no response if the module detects a syntax or

communication error, or even if the specified address does

not exist.

> is a delimiter character which indicates a valid command.

? is a delimiter character which indicates an invalid

command.

AA (range 00-FF) represents the responding 2-character

hexadecimal address of the module.

(cr) is the terminating character, carriage return (0Dh).

4055, 4056S, 4056SO,

4060, 4068, 4069

1 2 ... 250 251 252 253 254 255 256 257 258 259 260 ... 428 429

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