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ePAQ-9150
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1.6 Installation Information
1.6.1 Environment
The ePAQ-9150 Remote Terminal Unit subsystems (excluding external transducers
or equipment supplied by other vendors) are designed to operate over an ambient
temperature range of 0 degrees C to +70 degrees C, and from -30 degrees C to +70
degrees C when installed in rooms equipped with thermostatically controlled heaters.
The QEI Remote Stations can be installed outdoors when the equipment is housed
in one of the NEMA 4 rated cabinets.
1.6.2 Mounting
Rack dimensions are provided on the QEI Remote Station Equipment Layout
drawings. Typical Equipment Layout drawings are supplied in this section. System
specific drawings are supplied with each system.
The sectional views show the locations of mounting holes and/or flanges (where
required), and the required clearance for rack mounted equipment. Wiring guides or
conduits can be utilized and mounted on either side of the rack.
For special configurations, please refer to the specific drawings delivered with the
systems.
1.6.3 QEI Drawings
Four (4) types of drawings are provided to assist in wiring the Remote Station. The
first type is the Equipment Layout Drawing, the second is an Interconnection
Diagram, the third is the Point Assignment Charts and the fourth is the Remote
Station Assembly Parts List. The typical Equipment Layout drawing shows the
mechanical configuration and printed circuit panel locations with overall dimensions.
The Interconnection Diagram shows the power connections, communications
connections, internal cabinet or rack wiring and locates assemblies and terminal
strips by means of a boxed letter (such as M) that is keyed to the Equipment Layout
drawing. The Point Assignment Chart assigns actual supervision and control
functions to the hardware I/O points (status, analog, control) at the Remote Station.
The Remote Station Assembly Parts List, specifies all components (except minor
hardware such as screws and nuts) that make up a specific RTU. It also specifies the
main Panel jumper and platform options for a specific RTU.
QEI Equipment Layout and Interconnection Diagram drawings are generic. One common set of these
drawings will generally apply to several or all the RTUs in a system. Parts Lists for one to five RTUs
may be included in one document. Normally each RTU will have its own Point Assignment Chart. Only
RTUs with special configurations will have individual drawing sets.
Copyright © 2016 QEI
NOTE
Remote Terminal Unit
Section 1
15
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