Johnson Controls FX-PCX1711 Series, FX-PCX2711 Series, FX-PCX17 Series, FX-PCX27 Series Installation Instructions Manual
FX-PCX17 and FX-PCX27 Expansion Input/Output Module
Installation Instructions
Part No. 24-10144-106, Rev. FFX-PCX1711 Series, FX-PCX2711 Series
Issued March 2016
Refer to the QuickLIT website for the most up-to-date version of this document.
Application
The FX-PCX17 and FX-PCX27 Expansion Input/Output
Modules are part of the Facility Explorer FX-PC Series
Programmable Controller family. FX-PCXs controllers
expand the number of points connected to an FX-PCA,
FX-PCG, or FX-PCV programmable controller or to a
supervisory controller.
The FX-PCX controllers operate on an RS-485 BACnet®
Master-Slave/Token-Passing (MS/TP) Bus as BACnet
Application Specific Controllers (B-ASCs) and integrate
into Johnson Controls®and third-party BACnet systems.
Note: At FX-PCT Release 10.1, a new capability was
introduced allowing FX-PCVs, FX-PCGs, and
FX-PCAs to communicate by using either the
BACnet or the N2 field bus networking protocol.
The operation of the FX-PCX Input/Output Module
is not affected by the selection of the BACnet or
the N2 protocol in the host controller.
North American Emissions Compliance
Canada
This Class (A) digital apparatus meets all the
requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numérique de la Classe (A) respecte toutes
les exigences du Règlement sur le matériel brouilleur
du Canada.
United States
This equipment has been tested and found to comply
with the limits for a Class A digital device pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference when this equipment is operated in a
commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction
manual, may cause harmful interference to radio
communications. Operation of this equipment in a
residential area may cause harmful interference, in which
case the users will be required to correct the interference
at their own expense.
Installation
Observe these guidelines when installing an FX-PCX
controller:
• Transport the controller in the original container to
minimize vibration and shock damage.
• Verify that all parts shipped with the controller.
• Do not drop the controller or subject it to physical
shock.
Parts Included
• one controller with removable terminal blocks (Power
and SA/FC bus are removable)
• one installation instructions sheet
Materials and Special Tools Needed
• three fasteners appropriate for the mounting surface
(M4 screws or #8 screws)
• one 20 cm (8 in.) or longer piece of 35 mm DIN rail
and appropriate hardware for DIN rail mount (only)
• small straight-blade screwdriver for securing wires in
the terminal blocks
Mounting
Observe these guidelines when mounting an FX-PCX
controller:
• Ensure the mounting surface can support the
controller, DIN rail, and any user-supplied enclosure.
• Mount the controller horizontally on 35 mm DIN rail
whenever possible.
• Mount the controller in the proper mounting position.
• Mount the controller on a hard, even surface
whenever possible in wall-mount applications.
• Use shims or washers to mount the controller securely
and evenly on the mounting surface.
• Mount the controller in an area free of corrosive
vapors and observe the Ambient Conditions
requirements in .
• Provide for sufficient space around the controller for
cable and wire connections for easy cover removal
and good ventilation through the controller (50 mm
1FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
[2 in.] minimum on the top, bottom, and front of the
controller).
• Do not mount the controller on surfaces prone to
vibration, such as duct work.
• Do not mount the controller in areas where
electromagnetic emissions from other devices or
wiring can interfere with controller communication.
Observe these additional guidelines when mounting an
FX-PCX controller in a panel or enclosure:
• Mount the controller so that the enclosure walls do
not obstruct cover removal or ventilation through the
controller.
• Mount the controller so that the power transformer
and other devices do not radiate excessive heat to
the controller.
• Do not install the controller in an airtight enclosure.
Figure 1: Controller Mounting Positions
To remove the controller from the DIN rail, pull the
bottom mounting clip out to the extended position and
carefully lift the controller off the DIN rail.
Wall Mount Applications
To mount an FX-PCX controller directly on a wall or other
flat vertical surface:
1. Pull the bottom mounting clip outward and ensure it
is locked in the extended position as shown in .
2. Position the controller in a proper mounting position
shown in and mark the mounting hole locations on
the wall or surface using the dimensions shown in .
Or, hold the controller up to the wall or surface in a
proper mounting position and mark the hole locations
through the mounting clips.
3. Drill holes in the wall or surface at the marked
locations, and insert appropriate wall anchors in the
holes (if necessary).
4. Hold the controller in place, and insert the screws
through the mounting clips and into the holes (or wall
anchors). Carefully tighten all of the screws.
DIN Rail Mount Applications
Mounting the controller horizontal on 35 mm DIN rail is
the preferred mounting method.
To mount an FX-PCX controller on 35 mm DIN rail:
1. Securely mount a 20 cm (8 in.) or longer section of
35 mm DIN rail horizontal and centered in the desired
space so that the controller mounts in the horizontal
position shown in .
2. Pull the bottom mounting clip outward from the
controller to the extended position as shown in .
3. Hang the controller on the DIN rail by the hooks at
the top of the (DIN rail) channel on the back of the
controller (), and position the controller snugly against
the DIN rail.
4. Push the bottom mounting clip inward (up) to secure
the controller on the DIN rail.
Important: Do not overtighten the mounting screws.
Overtightening the screws may damage
the mounting clips.
Figure 2: Back of FX-PCX17 or FX-PCX27 Controller
Showing Extended Mounting Clips, DIN Rail Channel,
and Mounting Dimensions, mm (in.)
2FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
Figure 3: FX-PCX17 and FX-PCX27 Physical Features
3FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
Table 1: FX-PCX17 and FX-PCX27 Physical Features
Physical Feature: Description and ReferencesCallout
1
3
4
5
6
7
8
9
10
11
12
Device Address DIP Switch Block. See Setting the Device Addresses for more information.
Mounting Clip (One of Two).2
24 VAC, Class 2 Supply Power Terminal Block. See Table 5 for more information.
Cover Lift Tab (One of Two). See Removing the Controller Cover for more information.
Sensor Actuator (SA) Bus / Field Controller (FC) Bus Terminal Block. See Table 5 for more information.
Binary Inputs (BIs) Terminal Block (Not available on FX-PCX17). See Table 3 for more information.
End-of-Line (EOL) Switch. See Setting the End-of-Line (EOL) Switch for more information.
Note: The EOL Switch is located under the controller cover. You must remove the cover to change the EOL
switch position.
Sensor Actuator (SA) Bus or Field Controller (FC) Bus Port (RJ-12 6-pin Modular Jack). See Table 5 for more
information.
Light-Emitting Diode (LED) Status Indicators. See Table 7 for more information.
Universal Outputs (UO) Terminal Blocks (Not available on FX-PCX17). See Table 3 for more information.
Universal Inputs (UI) Terminal Blocks (Not available on FX-PCX17). See Table 3 for more information.
Relay Output Terminal Blocks (Not available on FX-PCX17). See Table 3 for more information.
4FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
Wiring
Risk of Electric Shock: Disconnect or isolate all power
supplies before making electrical connections. More than
one disconnect or isolation may be required to
completely de-energize equipment. Contact with
components carrying hazardous voltage can cause
electric shock and may result in severe personal injury
or death.
Avertissement: Risque de décharge électrique:
Débrancher ou isoler toute alimentation avant de réaliser
un branchement électrique. Plusieurs isolations et
débranchements sont peut-être nécessaires pour
-couper entièrement l'alimentation de l'équipement. Tout
contact avec des composants conducteurs de tensions
dangereuses risque d'entraîner une décharge électrique
et de provoquer des blessures graves, voire mortelles.
Risk of Property Damage: Do not apply power to the
system before checking all wiring connections. Short
circuited or improperly connected wires may result in
permanent damage to the equipment.
Terminal Blocks and Bus Ports
See Figure 3 for terminal block and bus port locations on
the controller. Observe the following guidelines when
wiring a controller.
Input and Output Terminal Blocks
All of the input terminal blocks are mounted on the bottom
of the controller and the output terminal blocks are
mounted on the top of the controller. See Table 3 for more
information about I/O terminal functions, requirements,
and ratings.
SA/FC Bus Terminal Block
An FX-PCX can be connected to a Sensor/Actuator (SA)
bus or a Field Controller (FC) bus, but not to both buses
simultaneously. The SA/FC bus terminal block is a
removable, 4-terminal plug that fits into a board-mounted
jack.
When connecting the FX-PCX to an FC bus, wire the bus
terminal block plugs on the controller and the other
controllers in a daisy-chain configuration using 3-wire
twisted, shielded cable as shown in the FC Bus Terminal
Block wiring figure below. See Table 5 for more
information.
Figure 4: FC Bus Terminal Block Wiring
Mise En Garde: Risque de dégâts matériels: Ne pas
mettre le système sous tension avant d'avoir vérifié tous
les raccords de câblage. Des fils formant un court-circuit
ou connectés de façon incorrecte risquent
d'endommager irrémédiablement l'équipement.
Important: Do not exceed the controller electrical
ratings. Exceeding controller electrical
ratings can result in permanent damage to
the controller and void any warranty.
Important: Use copper conductors only. Make all wiring
in accordance with local, national, and
regional regulations.
Important: Electrostatic discharge can damage
controller components. Use proper
electrostatic discharge precautions during
installation, setup, and servicing to avoid
damaging the controller.
For detailed information on configuring and wiring an
MS/TP Bus, FC bus, and SA bus, refer to the FX-PC
Series Controllers MS/TP Communications Bus Technical
Bulletin (LIT-12011670) or MS/TP Communications Bus
for BCM System Technical Bulletin (LIT-12011908).
When connecting the FX-PCX to an SA bus, wire the bus
terminal block plugs on the controller and other SA bus
devices in a daisy-chain configuration using 4-wire
twisted, shielded cable as shown in Figure 5. See Input
and Output Wiring Guidelines for more information.
5FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
Figure 5: SA Bus Terminal Block Wiring
Note: The SA PWR/SHLD terminal does not supply 15
VDC. The SA PWR/SHLD terminal is isolated and
can be used to connect (daisy chain) the 15 VDC
power leads on the SA bus () or the cable shields
on the FC bus (). The SA bus supervisor supplies
15 VDC to devices on the SA Bus requiring power.
SA/FC Bus Port
The SA/FC bus port on the front of the controller is an
RJ-12, 6-position modular jack that provides a connection
for devices on the SA bus, a Bluetooth® Commissioning
Converter, ZigBee® wireless dongle, or an FX-ZFR1811
Wireless Router (depending on which bus the FX-PCX
is operating on).
Supply Power Terminal Block
The 24 VAC supply power terminal block is a gray,
removable, 3-terminal plug that fits into a board-mounted
jack on the top right of the controller.
Note: If CE compliance is required for the
FX-PCX1711-0, or FX-PCX2711-2 product and
application, the ferrite ring that is included in the
package shall be used in the installation. The
ferrite ring does not affect UL864 Smoke Control
applications. It is not required for applications in
North America.
To install the ferrite ring, pass the two 24 VAC
supply power wires through the opening of the
ring and then complete five wraps or turns of both
wires around the outside of the ring and back
through the center opening as shown in the
following figure. Locate the ferrite ring as near to
the supply power terminal plug as possible while
still allowing for a typical connection to the
controller with the terminal plug.
Figure 7: Wrapped Ferrite Ring
The SA/FC bus port is connected internally to the SA/FC
bus terminal block. See Table 5 for more information.
The SA/FC Bus Port pin assignment is shown in the Pin
Number Assignments figure below.
Figure 6: Pin Number Assignments for Sensor, SA
Bus and FC Bus Ports on Controllers
Wire the 24 VAC supply power wires from the transformer
to the HOT and COM terminals on the terminal plug as
shown in the following figure. The middle terminal on the
supply power terminal block is not used. See Table 5 for
more information about the Supply Terminal Block.
6FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
Figure 8: 24 VAC Supply Power Terminal Block Wiring
Note: The supply power wire colors may be different on
transformers from other manufacturers. Refer to
the transformer manufacturer’s instructions and
the project installation drawings for wiring details.
Wireless Network Applications
The controller can also be installed in a wireless
application using an FX-ZFR Wireless Field Bus Router.
To configure a controller for use with the FX-ZFR Series
Wireless Field Bus system:
Note: FX-PCXs can talk wirelessly on an FC bus only.
1. Connect the FX-ZFR1811 Wireless Field Bus Router
to the FC bus port (RJ-12 modular jack) on the front
of the controller.
2. Ensure that the controller's device address DIP
switches are set to the correct device address. See
Setting the Device Addresses.
3. Set DIP switch 128 to ON, which enables wireless
operation on the controller.
For more information on installing a controller in a
wireless configuration, refer to the FX-ZFR1811
Wireless Field Bus Router Installation Instructions
(Part No. 24-10325-29).
Important: Connect 24 VAC supply power to the
controller and all other network devices so
that transformer phasing is uniform across
the network devices. Powering network
devices with uniform 24 VAC supply power
phasing reduces noise, interference, and
ground loop problems. The controller does
not require an earth ground connection.
Termination Details
A set of Johnson Controls® termination diagrams provides details for wiring inputs and outputs to the controllers.
See the figures in this section for the applicable termination diagrams.
7FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
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