Johnson Controls FX-PCX17 Series Manuel utilisateur

FX-PCX17 and FX-PCX27 Expansion Input/

Output Module Installation Instructions

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 expansion modules expand the number of I/

O 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® MS/TP Bus and integrate into Johnson

Controls® and third-party BACnet systems.

Note: At Controller Configuration Tool (CCT) Release 10.1 and later, 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.

Part No. 24-10144-106 Rev. G

2019-03-22 (barcode for factory use only)

FX-PCX1711 Series, FX-PCX2711 Series

*2410144106G*

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 (see Figure 1).

• 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 Technical specifications.

• Provide for sufficient space around the controller for cable and wire connections for easy cover

removal and good ventilation through the controller (50 mm [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.

FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions2

Figure 1: Controller mounting positions

DIN rail mount applications

About this task:

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 Figure 1.

2. Pull the bottom mounting clip outward from the controller to the extended position as shown

in Figure 2.

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 (Figure 2), 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.

To remove the controller from the DIN rail, pull the bottom mounting clip out to the extended posi-

tion and carefully lift the controller off the DIN rail.

Wall mount applications

About this task:

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 Figure 2.

2. Position the controller in a proper mounting position shown in Figure 1 and mark the

mounting hole locations on the wall or surface using the dimensions shown in Figure 2. Or,

hold the controller up to the wall or surface in a proper mounting position and mark the hole

locations through the mounting clips.

3FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions

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.

Important: Do not overtighten the mounting screws. Overtightening the screws may damage

the mounting clips.

Mounting Features and Dimensions

Figure 2: Back of FX-PCX17 or FX-PCX27 Controller showing extended mounting Clips, DIN

rail channel and mounting dimensions, mm (in.)

FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions4

FX-PCX17 and FX-PCX27 features graphic and table

Figure 3: FX-PCX17 and FX-PCX27 physical features

Table 1: FX-PCX17 and FX-PCX27 physical features

Callout Physical feature: description and references

1Device Address DIP Switch Block. See Setting the device addresses for more

information.

2Mounting Clip

324 VAC, Class 2 Supply Power Terminal Block. See Table 5 for more information.

4Cover Lift Tab. See Removing the Controller cover for more information.

5Sensor Actuator (SA) Bus / Field Controller (FC) Bus Terminal Block. See Table 5 for

more information.

6Binary 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.

8Sensor Actuator (SA) Bus or Field Controller (FC) Bus Port (RJ-12 6-pin Modular Jack).

See Table 5 for more information.

9Light-Emitting Diode (LED) Status Indicators. See Table 7 for more information.

10 Universal Outputs (UO) Terminal Blocks (Not available on FX-PCX17). See Table 3 for

more information.

11 Universal Inputs (UI) Terminal Blocks (Not available on FX-PCX17). See Table 3 for more

information.

12 Relay Output Terminal Blocks (Not available on FX-PCX17). See Table 3 for more

information.

5FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions

Wiring

Warning

Risk of Electric Shock:

Disconnect or isolate all power supplies before making electrical connections. More than one

disconnection 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.

Warning

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.

CAUTION

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.

CAUTION

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:

FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions6

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 BCPro System Technical Bulletin (LIT-12011908).

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

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.

7FX-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

(Figure 5) or the cable shields on the FC bus (Figure 4). 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, an FX- ZFR/ZFR Pro

Wireless Router (depending on which bus the FX-PCX is operating on).

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

FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions8

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, FX-PCX2711-1, or FX-PCX2711-2

product and application, the ferrite ring that is included in the package must 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 powerwires 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

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.

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.

9FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions

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.

Wireless network applications

About this task:

The controller can also be installed in a wireless application using an FX- ZFR/ZFR Pro Wireless Field Bus

Router.

To configure a controller for use with the ZFR/ZFR Pro Series Wireless Field Bus system:

Note: FX-PCXs can communicate wirelessly on an FC bus only.

1. Connect the ZFR/ZFR Pro 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).

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.

Table 2: Termination details

Type of field

device

Type of

Input/

Output

Termination diagrams

Temperature

Sensor UI

Voltage Input -

External Source UI

FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions10

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