Connection 09.02
3-60 Siemens AG 6SE7087-6AK85-1AA0
Rectifier/Regenerating Unit Operating instructions
Note:
With the parameterization P687.i003 = 0
AND P681.i001 = 599, in the event of telegram failure, bits 3 and
6 of the first SST2 Peer-to-Peer receive data (i.e. the control/status word for 12-pulse mode sent from the
partner unit) are set to 0.
3.8.7 RS485 interface cable for the Peer-to-Peer link on SST2
The RS485 interface cable required for the serial Peer-to-Peer link on SST2 is in the form of a four-wire
connection.
A screened 4-core cable must be connected at the screw terminals of the 5-pole plug of terminal block -X117 on
submodule A2 (C98043-A1690). Submodule A2 is fitted to the CUR A10 electronics module (see Section 9.6).
The 4-core cable is not included in the scope of delivery.
X117
1
2
3
4
5
A2
X117
1
2
3
4
5
A2
MM
12-pulse master 12-pulse slave
Figure 3.42 Connecting cable for "Peer-to-Peer" communication on SST2 (between the terminals of the A2 submodule (C98043-A1690))
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