Advantech Data Acquisition Modules ADAM 4000 Instrukcja Użytkownika Pobierz pdf (Strona 167)

100

101

Chapter 5

5-21

ADAM 4000 Series User’s Manual

4011, 4011D, 4012, 4013,

4015, 4015T, 4016

$AA4

Name Read Synchronized Data command

Description Returns the input value that was stored in the addressed

module’s register, after a Synchronized Sampling command

#** was issued.

Syntax $AA4(cr)

$ is a delimiter character.

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

address of the analog input module from which data is to be

sent.

4 is the Read Synchronized Data command.

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

Response !AA(status)(data)(cr) if the command was valid.

?AA(cr) if an invalid operation was entered.

There is no response if the module detects a syntax error or

communication error or if the specified address does not

exist.

! delimiter character indicates a valid command was

received.

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

address of the analog input module that is responding.

(status) will tell you if the data (data) from the last

Synchronized Sampling command (#**) has already been

sent. If status = 1, then the data has been sent for the first

time since a Synchronized Sampling command was issued.

If status = 0, then the data has been sent at least once

before.

(data) a value

stored in a special register of the interrogated

module in the configured data format. It has been sampled

by the module after a Synchronized Sampling command.

(For possible data formats, see Appendix B, Data Formats

and I/O Ranges)

(cr) represents terminating character,

carriage return (0Dh).

1 2 ... 162 163 164 165 166 167 168 169 170 171 172 ... 428 429

Komentarze do niniejszej Instrukcji

Brak uwag

Advantech Data Acquisition Modules ADAM 4000 Instrukcja Użytkownika Strona 167

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Sprzęt komputerowy Advantech Data Acquisition Modules ADAM 4000