Bosch Rexroth IndraDrive MPH-02 Functional Description page 668

10-86
Handling, Diagnostic and Service Functions
Read Access to List Parameters
The read access to list parameters is carried out in the same way as in
the case of other parameters. The drive, however, provides all list
elements as its answer.
Step 1
Send request
e.g.: "P-0-4006,7,r" (CR)
Step 2
Drive received character.
Drive repeats request (echo).
Character sequence ":>"
found in receiver buffer?
yes
Step 3
To check transmission compare
request with receiver buffer
(string compare).
Compare ok?
yes
Step 4
Delete request in receiver buffer. All
characters to 1st "CR" (inclusive).
Replace last (CR) by "string end"
(e.g. "0" in C).
Next character "#" in
receiver buffer?
no
Evaluate list element
no
Set string pointer to 1st character after
next (CR) -> (new list element)
End of list reached?
yes
List succesfully read
Fig. 10-46: Read access to list parameters
MPH-02, MPB-02, MPD-02
Communication with drive not
possible
-> check address
-> check setting
-> check connection
no
yes
Timeout ?
no
Contents of receiver buffer:
"P-0-4006,7,r"(CR)
"element 1" (CR)
"element 2" (CR)
:
"element n" (CR) "E01:>"
or
"P-0-4006,7,r"(CR)"#xxxx" (CR) "E01:>"
no Transmission error
List elements seperated by (CR) or
an error number now contained in
receiver buffer.
Error occured during
yes parameter access. Error
code: #xxxx
FD5004B1.WMF
DOK-INDRV*-MP*-02VRS**-FK01-EN-P