Operating Instructions
Table Of Contents
- Cyber security disclaimer
- How to Use This Manual
- Chapter 1—Introduction
- Chapter 2—Hardware Features
- 16- and 24-Point Compact Series Diagram
- 36-Point Compact Series Product Diagram
- Supported Point Types
- Compact Series Backup Batteries
- Memory
- Communication Connections
- Compact Series Specifications
- BACnet Compact Series Specifications
- Compact Series Smoke Control Application Requirements
- HOA (Hand-Off-Auto) Upgrade Kits
- PXC Compact on P1
- PXM10S/T Product Overview and Description
- Unitary Equipment Controller
- TX-I/O Product Range Overview
- PX Series Enclosures and Service Boxes
- Chapter 3—Applications
- Chapter 4—Troubleshooting
- Glossary
- Index
Chapter 2—Hardware Features
PX Series Enclosures and Service Boxes
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Siemens Industry, Inc.
Owner's Manual
553-104
Building Technologies
2018-10-01
Figure 41: PX Series Service Box (115V), 19-inch enclosure.
Figure 42: PX Series Service Box Connectors.
● Each Service Box distributes the total 24 Vac power provided to the plug-in
terminations on the left side.
– Two Class 1 power-limited terminations distribute up to the total power to
controllers and power supplies inside the same enclosure.
– Earth ground is provided on the CTLR termination.
– One Class 2 termination distributes up to 96 VA to auxiliary devices outside of
the enclosure.
● Each 115VAC Service Box has a duplex outlet on the front to power accessory
devices such as modems and Portable Operator’s Terminals.