Communication Between The Nc And The Drive; Overview Of Nc And Drive Communication - Siemens SINUMERIK 840D sl Commissioning Manual

Communication between the NC and the drive

7.1

Overview of NC and drive communication

What will be configured next?
The initial commissioning of the PLC and SINAMICS drives is completed.
The machine data that communicates with the drive is:
● General machine data
General machine data required for communication with the drive via PROFIBUS that has
been preset with default values. These values can be taken over during the initial
commissioning:
– The telegram type for transfer
– The logical addresses for the PLC
● Axis-specific machine data
The axis component for transfer of the setpoints and actual values for the relevant axis, is
set in the axis machine data.
Assignment of machine data
Using the example of a SINAMICS S120 module structure (one NCU, one ALM, three Motor
Modules (MM)), the following table illustrates the assignment of the machine data for input
address/output address/telegram/setpoint/actual value.
SINAMICS STEP 7 (HW Config)
S120
DP slave properties
Component Message frame
type and length
MM1 136 - PZD-11/19
MM2 136 - PZD-11/19
MM3 136 - PZD-11/19
Not available 136 - PZD-11/19
Not available 136 - PZD-11/19
Not available 136 - PZD-11/19
CU 391 - PZD-3/7
ALM 370 - PZD-1/1
Do not change preassignment.
1)
The axis-specific machine data for the configuration of the setpoints and actual values is pre-assigned using the "Assign
2)
axis" function.
CNC Commissioning: NC, PLC, Drive
Commissioning Manual, 12/2019, A5E48312804B AA
General machine data
I/O ad‐ MD13120[0]
dress I/O address
1)
4100
4140
4180
4220
4260
4300
6500 6500
6514
MD13050 MD13060
[0...5] I/O ad‐ [0...5] mes‐
1)
dress sage frame
1)
type
4100 136
4140 136
4180 136
4220 136
4260 136
4300 136
7
Axis machine data
2)
MD30110/ MD30130
MD30220 Type of out‐
setpoint / put Setpoint
actual val‐
ue assign‐
ment
1 1
2 1
3 1
-- 0
-- 0
-- 0
215