Siemens SIMOREG DC Master 6RA7028-6DS22 Operating Instructions Manual page 171

02.00
Node address
of drive (P918)
Basic identifier for
PZD send (U713)
Example of PZD Send:
P918 = 1
U713 = 196
How received data are utilized by the drive or which data are to be sent by the drive is determined
by connectors (see Function Diagrams, Section 8 "Data exchange with a technology board or the
st
1 communication board" or "Data exchange with the 2
3 different modes of COB transmission can be selected in CB parameter 5 (U715):
U715 = 0
U715 = 1 to 65534 Actual values are transmitted after the set time [ms] or on request
U715 = 65535
Structure of a telegram for PZD data exchange:
The telegram consists of the following data words:
Identifier
ID is the CAN identifier that is defined for the COB in question by parameterization.
PZDx are process data words
Example of a PZD setpoint telegram:
Using the receive identifier of the above example
Receive identifier
1. Setpoint
2. Setpoint
3. Setpoint
4. Setpoint
Using the CAN BusAnalyser++ from Steinbeis, the setpoint data appear as follows (data field
length = 8 bytes, low and high bytes are shown swapped round):
Identifier
SIEMENS AG 6RX1700-0AD76
SIMOREG DC Master Operating Instructions
x4
This setting assigns identifier 200 to the first 4 send PZDs,
identifier 201 to the second 4 send PZDs, etc.
Actual values are transmitted only on request (Remote Transmission
Requests)
(Remote Transmission Requests)
Actual values are transmitted if the values have changed (event) or on
request (Remote Transmission Requests). This option should only be
used in cases where values seldom change so as to prevent excessive
bus loading.
Process data word 1
ID PZD1
100
d
40063
d
8192
d
123
d
0
d
64 00 7F 9C
ID PZD1
+
+1
+2
+3
nd
communication board").
Process data word 2
PZD2
0064
h
9C7F control word 1
h
2000 speed setpoint 50%
h
007B
h
0
h
Data field
00 20
PZD2
PZD Send 1 (actual values 1 to 4)
PZD Send 2 (actual values 5 to 8)
PZD Send 3 (actual values 9 to 12)
PZD-Send 4 (actual values 13 to 16)
Process data word 3 Process data word 4
PZD3
7B 00
PZD3
Start-Up
PZD4
00 00
PZD4
7-29