09.02 Options
Siemens AG 6SE7087-6AK85-1AA0
9-7
Rectifier/Regenerating Unit Operating Instructions
9.6.2 Installation
• Undo the fixing screws
a of the CUR (A10) above and below the
removal handles
s.
• Remove the module carefully from the electronics box using the
handles
s.
• Versions 1 and 2: Module PTP1 is a submodule
d of the CUR. The
PTP1 is fitted to the electronics module using the preassembled
spacers. The female rods X115 and X116 must be fitted onto the
corresponding male pins on the CUR.
• Version 3: The PTP1 and EPROM are already fitted to the CUR.
• Slide CUR module (A10) with PTP1 (A2) into the electronics box
carefully along the guide rails as far as the stop.
• Screw the module into position with the fixing screws
a above and
below the removal handles
s.
X100
X101
X102
PMU
X104
X117
X115
X116
A10
CUR
c
d
c
d
9.6.3 Function and terminal description
See circuit diagram in Section 3.5 "Single-line diagrams with suggested circuit arrangements".
Function Terminal Connected values / Description
RS485 serial interface X117-1 RS485R + receive cable RS485 positive
(SST2) X117-2 RS485R - receive cable RS485 negative
X117-3 RS485T+ send cable RS485 positive
X117-4 RS485T- send cable RS485 negative
X117-5 Signal earth
The bus termination resistors required for peer-to-peer mode are installed on the module:
• 150Ω between terminal X117-1 and terminal X117-2
• 390Ω from terminal X117-1 to +5V supply
• 390Ω from terminal X117-2 to ground
9.6.4 Parameterization
The following parameters influence the function of the SST2 interface for the basic unit (for details see Section
5.12):
P681 (i001 to i005) Selection of process data for transmission
P684.i003 Baudrate
P686.i003 Number of net data words for peer-to-peer link
P687.i003 Telegram failure time
P688 Selection of the protocol
Parameterization for "12-pulse mode" see Section 3.8.3.
AoteWell Automation Sales Team
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