Siemens SIMATIC FM 453, Руководство пользователя

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9-36
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
9.3.1 Change Parameters/Data (Job No. 8)
You can use this function to change parameters and data in the data function
blocks of the FM 453, or to issue an order to read parameters or data from
data function blocks. The parameters/data can then be read out with function
call FC RD_COM job no. 114 (see Section 9.3.17).
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
126 Byte DB type type 1 = MD 2 = SM 3 = TO 4 = NC (traversing
program)
127 Byte data
number Info 1 MD No.
(5...61) SM No.
(1...100) TO No. (1...20) Progr. No.
(1...199)
128 Byte number
of data Info 2 Number of
MDs, consec-
utive (1...5) Number of
SMs, consec-
utive (1...5) 0 = Tool offset
complete
1 = Tool length
only
2 = Wear value abs.
only
3 = Wear value add.
only Block No.
(1...255)
1)
129 Byte job type 1 = Read job parameters
2 = Write parameters
4 = Write parameters and save
130...149 depends
on type data
array Parameters/data (see data blocks, Section 5.3)
1) For block format see Section 9.3.12 “Active NC block”
The software limit switches (MD21, MD22) for the axis are to be set to the
values 100 mm and 50,000 mm. These values are to remain in effect only
until the unit is shut down.
DB type = 1
data number = 21
number of data = 2
job type = 2
data array
Byte 5...8 = 100,000 (MD21)
Byte 9...12 = 50,000,000 (MD22)
Byte 13...24 = 0
For activation of the machine data, see Section 9.3.3
Overview
Structure of Data
Record
Example
Description of Functions