Siemens SIMATIC FM 353, Manual

Page: 238 / 361

Description of Functions
9-38
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
9.3.1 Change parameters/data (Write request in user DB, DBX39.3)
Overview
You can use this function to modify parameters and data in the FM 353 data blocks
or to define parameters and data which can then be read out with a Read request
(user DB, DBX43.3) (see Section 9.3.17).
Structure of Write request
The following table shows which parameters or data can be changed or read by
setting the indicated codes.
Addr. in
user DB
Data
format
Symbol Description
196 Byte DB type type 1 = MD 2 = SM 3 = TO 4 = NC (travers-
ing program)
197 Byte Number Info 1 MD No.
(5 − 45)
SM No. (1 −
100)
TO No.
(1 − 20)
Progr. No.
(1 − 199)
198 Byte Number Info 2 Number of
MDs, con-
secutive
(1 − 5)
Number of
SMs, con-
secutive
(1 − 5)
0 = Tool offset
complete
1 = Tool length
only
2 = Wear value
abs. only
3 = Wear value
add. only
Block No.
(1 − 255)
199 Byte Job 1 = Read job parameters
2 = Write parameters
4 = Write parameters and save retentively
1)
200 −
219
de-
pends
on type
Data
field
S
MD: Data format of machine data see Table 5-4 or
S
SM: Data format of increments see Table 5-5 (DWORD) or
S
WK: Data format of tool offset see Table 5-6 (DINT) or
S
NC: Block format see Section 9.3.12 ”Active NC block”
1) not with cyclic operation under 10 s