02.2004 Communication / USS
Siemens AG 6SE7087-6QX70 (Version AD)
SIMOVERT MASTERDRIVES Compendium Motion Control 8.1-39
The following values of select parameters P576 to P591 are to be set
for the USS interfaces:
USS interface from which control-word bits 16 to
31 (= control word 2) are to be changed (source)
Values to which select parameters P576 to
P591 are to be set
SCom1 24xy
SCom2 (not with the Compact PLUS) 64xy
SCB2 48xy
Note:
♦ e.g. 48xy:
The first position (in this case, 4) identifies the interface on SCB 2 as
the source.
The second digit (here 8) indicates that it is the 4th word in the PZD
area of the telegram (5 signifies the 1st word). "xy" (= 00 to 15)
identifies the bit position.
If necessary, control word 2 is always transferred in the 4th word of the
PZD area in the USS protocol.
→ Set PZD area to a length of at least 4 words (P703).
♦ Bit 0 for switching over the function data set should be taken from
bit 0 in the 4th PZD word of SCB2.
♦ Bit1 for switching over the function data set should be taken from
bit 1 in the 4th PZD word of SCB2.
Parameter
number
Parameter Index and value
(index i001 for BICO data set 1)
(index i002 for BICO data set 2)
P576 Source FDS Bit 0 i001 = 4800
P577 Source FDS Bit 1 i001 = 4801
etc.
Values of select
parameters P576 to
P591
NOTE
Example 2
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