Installation Instructions

Document No. A5W00125545

September 8, 2020

Siemens Industry, Inc. Page 3 of 4

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.

Class 1 and Class 2 Wiring Separation

CAUTION

UL Listings require that NEC Class I and

Class II wiring be kept separate from each

other. Use separate conduit and cable tie

bars to separate Class I Digital Output (DO)

wires from all other Class II wiring.

● Shown A/B Redundant

24 Vdc 20A PSU with

Diode Coupler for TX-

I/O powered through

four TXS1.EF4.

● Option A/B Redundant

24 Vdc 10A PSU with

Diode Coupler for TX-

I/O powered through two

TXS1.EF4.

● Option layout for each

Secondary Panel is

same except use IBE in

place of PXC100 and

add IBE in Primary

Panel.

● Option single panel

power source with single

PSU or two PSU with

power sharing (no Diode

Coupler).

● Option remove

Expansion Bus cover on

top of PXC100 and

install FLN Expansion

Module.

Figure 1: PXC100-E96-DC.A Modular Controller with 24 Vdc Power Conversion in Primary

Panel