Job And Response Data Record - Siemens SINAMICS S Series Short Description

2 Explanation of the Blocks
2.4 FB20 "Parameter_Access"
2.4.2

Job and response data record

The FB 20 "Parameter_Access" only coordinates the data exchange between PLC
and SINAMICS S120. It furthermore checks whether the transmission was
successful and whether an error ID was set in the response of the drive. However,
you have to create the order and response data records yourself. Since their form
regarding structure and length depends on the data to be transmitted, it is very
difficult to write on data records universally valid. However, you can orientate
yourself on the template of data record 47
example DBs of this short docu listed in the following application example.
Reading parameters
The parameters p1120 (run-up time), p1121 (ramp-down time) and p945 (fault
memory, with 16 indices) are to be read-out from the SERVO 1 drive object of the
SINAMICS S120 drive system.
Figure 2-5: Reading parameter – order data record (order DB)
The number of the drive object is entered here
2
SINAMICS S120 Function manual (\7\),
SINAMICS S120 Function manual (\7\),
Chap. 11.1.4.3 Acyclic communication > Determining the drive object numbers
Chap. 11.1.4.3 Acyclic communication > Determining the drive object numbers
SINAMICS S120 at S7-300/400F
Entry-ID: 68624711, V1.1,
CU_S (Control unit)
A_INF (Line module) = 2
SERVO 1 (drive 1)
SERVO 2 (drive 2)
12/2014
(see footer 1 on page
2
:
= 1 (always 1)
= 3
= 4
13) and the
16