Siemens SINAMICS Series, Руководство по эксплуатации

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Descriptions of functions
10.3 Communication according to PROFIdrive
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
425
Table 10- 17 Description of the individual signals in Gn_STW
Bit Name Signal status, description
0
1
2
3 Find refer-
ence mark or
flying
measure-
ment
Functions If bit 7 = 0, then find reference mark request applies:
Bit
Meaning
0 Function 1 Reference mark 1
1 Function 2 Reference mark 2
2 Function 3 Reference mark 3
3 Function 4 Reference mark 4
If bit 7 = 1, then find flying measurement request applies:
0
Function 1 Probe 1 rising edge
1 Function 2 Probe 1 falling edge
2 Function 3 Probe 2 rising edge
3 Function 4 Probe 2 falling edge
Note:
•
Bit x = 1
Bit x = 0
Request function
Do not request function
•
If more than 1 function is activated, then the following applies:
The values for all functions cannot be read until each activated function has
terminated and this has been confirmed in the corresponding status bit
(ZSW.0/.1/.2/.3 "0" signal again).
• Reference mark search
It is possible to search for a reference mark.
•
External zero mark
• Flying measuring
Positive and negative edges can be simultaneously selected.
4
5
6 Command Bit 6, 5, 4 Meaning
000 No function
001 Activate selected function
010 Read generated value
011 Cancel function
(x: Function selected using bit 0 to 3)
7 Mode 1 Not permitted
0 Reference mark search (fine resolution via p0418)
8... 12 Reserved -
13 Request cyclic absolute
value
1 Request cyclic transfer of the absolute actual position value in
Gn_XIST2.
Used for (e.g.):
•
Additional measuring system monitoring
• Synchronization during ramp-up
0 No request
14 Parking encoder 1 Request parking encoder (handshake with Gn_ZSW bit 14)
0 No request