Operation
6.9 Communication via SINAMICS Link
Inverter chassis units
Operating Instructions, 07/2016, A5E00331449A
281
9. Define the receive data for node 2:
– Specify that the data placed in the receive buffer p8872 of node 2 in locations 0 to 4 is
received from node 1:
p8872[0] = 1
p8872[1] = 1
p8872[2] = 1
p8872[3] = 1
p8872[4] = 1
– Specify that PZD1, PZD2 and PZD3 of node 1 are to be placed in the receive buffer
p8870 of node 2 in locations 0 to 4:
p8870[0] = 1 (PZD1)
p8870[1] = 2 (PZD2 1st part)
p8870[2] = 3 (PZD2 2nd part)
p8870[3] = 4 (PZD3 1st part)
p8870[4] = 5 (PZD3 2nd part)
– r2050[0], r2060[1] and r2060[3] subsequently contain (after step 13) the values of
PZD 1, PZD 2 and PZD 3 of node 1.
10.Define the send data for node 2:
– Specify the PZD that node 2 should send:
:p2051[0] = drive1:r0899 (PZD length is 1 word)
– Place this PZD in the send buffer (p8871) of node 2:
p8871[0] = 1
11.Define the receive data for node 1:
– Specify the data that should be placed in the receive buffer p8872 of node 1 in
location 0, received from node 2:
p8872[0] = 2
– Define that PZD1 of node 2 is saved in the receive buffer p8870 of node 1 in location
0:
p8870 [ 0] = 1
– r2050[0] subsequently contains (after step 13) the value of PZD 1 of node 2.
12.At the two nodes carry-out a "Copy RAM to ROM" to backup the parameterization and the
data.
13.Set p8842 =1, to activate parameters p8870, p8871 and p8872.
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