Installation Instructions
Installation Instructions
Document No. 553-687
May 5, 2010
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and
models as design improvements are introduced. Other product or company names mentioned herein may be the trademarks of their
respective owners. © 2010 Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089-4513
U.S.A.
Your feedback is important to us. If you have
comments about this document, please send
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Installing the Backplane
DANGER:
Shutting down the SCU Panel may not
disconnect all high voltage I/O.
If no disconnect means are available use the
wire nuts supplied to protect exposed
terminals with voltage present.
WARNING:
This installation should only be done by a
qualified electrician or an authorized Siemens
Industry representative.
1. Install backplane on four SCU enclosure studs
using 7/16 drive and four lock nuts supplied.
2. Set aside remaining kit parts for future use when
installing new hardware.
PXC0074R1
2
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1
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CSCD
24V
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CSCD
24V24V
CSCD
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CSCD
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RUN
TX
RX1
RX2
RX3
FXX-485.3
1
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CSCD
24V
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CSCD
Figure 1. Installing the Backplane in SCU Enclosure.
The installation is complete.
Document No. 553-687
Printed in the USA
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