Bosch PIN8 N1 Guía para resolver problemas descargar pdf (Pagina 663)

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101

MPH-02, MPB-02, MPD-02 Handling, Diagnostic and Service Functions 10-81

DOK-INDRV*-MP*-02VRS**-FK01-EN-P

Communication with ASCII Protocol

Addressing a Specific Bus Node

In order to start the communication with a bus node, this node has to be

specifically addressed by a CHANGE DRIVE command (CD command)

indicating the drive address. With each CD command the drive addressed

via the indicated address is activated; all other drives are thereby

switched to the passive mode. The drive that has been addressed

responds with its prompt. As from now the communication with the

activated drive continues until another CD command causes the switching

to another drive.

Step 1

Send request e.g.: "BCD:01" (CR)

(with address 1)

Step 2

Drive received character, drive sends

prompt if address is the same

Character sequence":>" found in

receiver buffer?

Pattern found Transmission error

Drive is "open"

-> ready for communication

Step 3

Check receiver buffer for

pattern."E01:>"

yes

Contents of receiver buffer:

[BCD:01] "E01:>"

The characters in [ ] only appear if

another unit on bus is open.

Timeout ?

Communication with drive not

possible

-> check address

-> check setting

-> check connection

yes

FD5002B1.WMF

Fig. 10-41: Addressing a bus node

1 2 ... 658 659 660 661 662 663 664 665 666 667 668 ... 727 728

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Bosch PIN8 N1 Guía para resolver problemas Pagina 663

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