Operating Instructions

Document No. 553-638
Installation Instructions
October 18, 2019
Siemens Industry, Inc. Page 3 of 4
Required Tools and Materials
• Wire stripper/side cutter
• Small flat-blade screwdriver
• Digital multimeter (DMM)
• Phillips screwdriver
• Electric drill and Phillips driver bit
• Level
• Tape measure
• Black marker
• Masonry drill bit (to mount on concrete or
masonry)
• Four wall anchors (to mount on concrete or
masonry)
• Four No. 8-18 x 3/8” self-tapping Phillips screws
Expected Installation Time
20 minutes
Prerequisites
CAUTION
No power wiring is connected to the PXC
Modular or other TX-I/O components at
this time.
• If mounting in an enclosure:
− Enclosure is installed, DIN rail included.
− The power source is installed, as
applicable.
− The power is OFF.
• All necessary wiring is pulled and terminated
per the layout drawing.
• Power and communication wiring is terminated
to the removable plugs supplied with the
devices.
• DIN rail is installed.
• Power requirements are met. See the Power
Requirements section.
• Common Ground requirements are met. See
the General Installation Requirements section.
• Optional requirements are met. See the
appropriate following sections:
− Smoke Control
− Energy Management Applications
− Applications Requiring a Secure Enclosure
• For TX-I/O Modules:
− Point wiring is terminated on the TX-I/O
Terminal Base.
− TX-I/O Module labels have been printed
from System Profile.
− TX-I/O Modules are either removed from or
parked in the terminal bases.
See the APOGEE Wiring Guidelines for Field Panels
and Equipment Controllers (125-3002) for detailed
information on the following:
• Power requirements
• Setting up smoke control applications
• CE compliance wiring requirements
• TX-I/O Module wiring diagrams
Power Requirements
Powering TX-I/O Primary Panels
One of the following power sources is pulled to the
enclosure:
• 120 Vac, 60 Hz and terminated at the 115V PX
Series Service Box.
• 230 Vac, 50/60 Hz and terminated at the 230V
PX Series Service Box.
• 24 Vac, 50/60 Hz Class 2 power limited from a
third-party transformer and connected to a
terminal block.
Powering TX-I/O Expansion Panels
Power wiring is run from the transformer in the primary
panel to the expansion panel, if needed.
Installation
WARNING
Turn OFF AC power at the ON/OFF switch
in the Service Box or transformer
enclosure.
CAUTION
Do not install the PXC Modular on a
vibrating surface (for example, an air
handler or ductwork).
This device includes electrical and electronic
components and must not be disposed of as
domestic waste. Product recovery and disposal
must comply with all national and local
regulations.