Johnson Controls FX-PCA2611-0 User manual

FX-PCA2611-0 Advanced Application Programmable

Controller Installation Instructions

Part No. 24-10143-403, Rev. EFX-PCA2611-0

Issued April 2016

Refer to the QuickLIT website for the most up-to-date version of this document.

Application

The FX-PCA2611-0 Advanced Application Programmable

Controller is part of the Facility Explorer Programmable

Controller (FX-PC) family. The FX-PCA26 Series

controllers run pre-engineered and user-programmed

applications and provide the inputs and outputs required

to monitor and control a wide variety of HVAC equipment.

FX-PCA26 controllers operate on an RS-485 BACnet®

Master-Slave/Token-Passing (MS/TP) Bus as BACnet

Advanced Application Controllers (B-AACs) and integrate

into Johnson Controls®and third-party BACnet systems.

FX-PCA26 controllers include an integral real-time clock,

which enables the controllers to monitor and control

schedules, calendars, and trends, and operate for

extended periods of time as stand-alone controllers when

offline from the system network.

Switchable Communications

Protocols

By default, the FX-PC family controllers and network

sensors communicate using the standard BACnet®

protocol, based on the ANSI/ASHRAE 135-2004.

The BACnet protocol is a standard for ANSI, ASHRAE,

and the International Standards Organization (ISO) for

building controls.

FX-PCG, FX-PCX, and FX-PCV controllers are BTL-

tested and listed as BACnet Application Specific

Controllers (B-ASCs). FX-PCA field controllers are

BTL-listed as BACnet Advanced Application Controllers

(B-AACs). The NS Series Sensors are BTL-listed as

BACnet Smart Sensors (B-SSs).

Release 10.1 of FX-PCT and later can be used to switch

the Field Bus communications protocol in FX-PC

Controllers to be either the standard BACnet

Master-Slave/Token-Passing (MS/TP) or the N2 protocol.

BACnet MS/TP is the default communications protocol

for all new controllers. Switchable communications

protocols provide a cost-effective upgrade and

modernization path for customers with existing N2

controllers. The Modernization Guide for Legacy N2

Controllers (LIT-12012045) and the controller-specific

documentation provide installation and commissioning

support and include tips for efficient and safe

replacement. Refer to the N2 Compatibility Options

chapter of the Controller Tool Help (LIT-12011147) for

information about mapping N2 Objects in controllers with

switchable communications protocols.

The N2-capable FX-PC controllers can be used as

functional replacements for legacy N2 controllers. The

N2-capable FX-PC controllers:

• have the I/O quantities and characteristics of the

FX-PC family controllers

• must be programmed with FX-PCT, which has

programming capabilities that are similar (but not

identical) to HVACPro, GX9100, GPL, and other

legacy tools

• support SA Bus devices

•support FX-WRZ wireless sensors from the controller

using the FX-WRZ7860 receiver when configured for

BACnet MS/TP communication

The N2-capable FX-PC controllers:

• do not support Zone Bus (for example, TMZ sensors

and M100 actuators)

• do not support pass through in the commissioning

mode

•do not support remote downloading or commissioning

using BACnet routing

• do not support wireless connection to the N2 bus

1FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

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-PCA2611:

• 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 FX-PCA2611 controller with removable terminal

blocks (Power, SA, and 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-PCA2611:

• 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

(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 Table 10.

• 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-PCA2611 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

2FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

DIN Rail Mount Applications

Mounting the FX-PCA2611 controller horizontal on 35 mm

DIN rail is the preferred mounting method.

To mount a 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 two bottom mounting clips outward from the

controller to the extended position (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 clips inward (up) to secure

the controller on the DIN rail.

To remove the controller from the DIN rail, pull the

bottom mounting clips out to the extended position

and carefully lift the controller off the DIN rail.

Wall Mount Applications

To mount an FX-PCA2611 directly on a wall or other flat

vertical surface:

1. Pull the two bottom mounting clips outward and

ensure they are locked in the extended position as

shown in Figure 2.

2. Mark the mounting hole locations on the wall using

the dimensions in Figure 2 and one of the mount

positions shown in Figure 1. Or hold the controller up

to the wall or surface in a proper mount 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

anchors). Carefully tighten all of the screws.

Important: Do not overtighten the mounting screws.

Overtightening the screws may damage

the mounting clips.

Figure 2: Back of Controller Showing Extended

Mounting Clips, DIN Rail Channel, and Mounting

Dimensions, mm (in.)

3FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

Figure 3: FX-PCA2611-0 Physical Features

Table 1: FX-PCA2611-0 Physical Features

Physical Feature: Description and ReferencesCallout

Binary Output (BO) Source Power Selection Jumpers: Position jumpers to select internal or external 24 VAC

supply power for Binary Outputs. (See Binary Output (BO) Source Power Selection Jumpers)

Device Address DIP Switch Block (See Setting the Device Addresses)

Mounting Clips (Three)3

Configurable Outputs (CO) Terminal Block: Can be defined as Voltage Analog Output (0-10 VDC) or Binary Output

(24 VAC Triac). (See Table 3)

Analog Output (AO) Terminal Block: Can be defined as Voltage Analog Output (0-10 VDC) Current Analog Output

(4-20 mA). (See Table 3)

24 VAC, Class 2 Supply Power Terminal Block (See Supply Power Terminal Block)

Cover Lift Tab (One of Two)7

FC Bus Terminal Block (See FC Bus Terminal Block)

SA Bus Terminal Block (See SA Bus Terminal Block)

Sensor Port: (SA Bus) RJ-12 6-Pin Modular Jack (See Sensor Port)

Binary Input (BI) Terminal Block: Dry Contact Maintained or Pulse Counter/Accumulator Mode (See Table 3)

Universal Inputs (UI) Terminal Block: Can be defined as Voltage Analog Input (0-10 VDC), Current Analog Input

(4-20 mA), Resistive Analog Inputs (0-600k ohm), or Dry Contact Binary Input. (See Table 3)

End-of-Line (EOL) Switch, located under the cover. (See Setting the End-of-Line (EOL) Switch)

LED Status Indicators (See Table 8)

FC Bus Port (RJ-12 6-pin Modular Jack) (See FC Bus Port)

Binary Outputs (BO) Terminal Block: 24 VAC Triac (See Table 3)

Wiring

Observe the following guidelines when wiring an

FX-PCA2611 controller:

4FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

Risk of Electric Shock: Disconnect the power supply

before making electrical connections to avoid electric

shock.

Mise En Garde: Risque de décharge électrique:

Débrancher l'alimentation avant de réaliser tout

raccordement électrique afin d'éviter tout risque de

décharge électrique.

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.

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). For

detailed information on wiring an N2 network, refer to the

N2 Communications Bus Technical Bulletin (LIT-636018).

FX-PCA Terminal Blocks and Bus

Ports

See Figure 3 for terminal block and bus port locations on

the FX-PCA2611-0 controller. Observe the following

guidelines when wiring an FX-PCA2611 controller.

Input and Output Terminal Blocks

On most FX-PC controller models, all of the fixed 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.

FC Bus Terminal Block

The FC Bus terminal block is a blue, removable,

4-terminal plug that fits into a board-mounted jack.

Wire the removable FC bus terminal block plugs on the

controller, and other controllers in a daisy-chain

configuration using 3-wire twisted, shielded cable as

shown in Figure 4. See Comm Bus and Power Supply

Terminal Block Rating and Requirements Table for more

information.

Figure 4: FC Bus Terminal Block Wiring

Note: The FC bus Shield (SHLD) terminal is isolated

and can be used to connect (daisy chain) the

shields for FC bus wiring.

SA Bus Terminal Block

The SA Bus terminal block is a brown, removable,

4-terminal plug that fits into a board-mounted jack.

Wire the removable SA 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 Comm Bus and Power Supply

Terminal Block Rating and Requirements Table for more

information.

5FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

Figure 5: SA Bus Terminal Block Wiring

Note: The SA PWR terminal supplies 15 VDC. The SA

PWR terminal can be used to connect (daisy

chain) the 15 VDC power leads on the SA bus.

FC Bus Port

The FC bus port on the front of the controller is an RJ-12,

6-position modular jack that provides a connection for

the FX-BTCVT Bluetooth®Commissioning Converter,

ZigBee®wireless dongle, or FX-ZFR1811 Wireless Field

Bus Router.

The FC bus port is connected internally to the FC bus

terminal block. See Comm Bus and Power Supply

Terminal Block Rating and Requirements Table for more

information. The FC bus port pin assignment is shown in

Figure 6.

Note: When the FX-PCA is configured for N2 network

communication, the FC bus port is not used.

Figure 6: Pin Number Assignments for Sensor, SA

Bus and FC Bus Ports on Controllers

Sensor Port

The Sensor (SA Bus) port on the bottom of the controller

is an RJ-12, 6-position modular jack that provides a

connection for the Bluetooth Commissioning Converter,

the VAV Balancing Tool, specified network sensors, or

other SA Bus devices with RJ-12 plugs. When the FEC

FX-PCA is configured for N2 network communication,

you must download and commission the controller using

the SA Bus port.

An FX-DIS1710 Local Controller Display also can be

connected to the SA Bus port.

The Sensor port is connected internally to the SA bus

terminal block. See Comm Bus and Power Supply

Terminal Block Rating and Requirements Table for more

information. The Sensor Port pin assignment is shown

in Figure 6.

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.

Wire the 24 VAC supply power wires from the transformer

to the HOT and COM terminals on the terminal plug as

shown in Figure 7. The middle terminal on the supply

power terminal block is not used. See Comm Bus and

Power Supply Terminal Block Rating and Requirements

Table for more information about the Supply Terminal

Block.

6FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

Figure 7: 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.

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

When configured for BACnet MS/TP communication, the

FX-PCA2611 controller can also be installed in a wireless

application using an FX-ZFR1811 Wireless Field Bus

Router.

To configure a controller for use with the FX-ZFR Series

Wireless Field Bus system:

1. Wire the input/output terminals and SA bus.

Note: In wireless network applications, do not

connect any wires to the FC bus terminal

block. (Connect the SA/FC terminal block on

an FX-PCX to an SA bus only.)

2. Connect the FX-ZFR1811 Wireless Field Bus Router

to the FC bus port (RJ-12 modular jack) on the front

of the controller.

3. Ensure that the controller's device address DIP

switches are set to the correct device address. See

Figure 9.

4. 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 termination diagrams provides details for wiring inputs and outputs to the controllers. See the figures in this

section for the applicable termination diagrams.

7FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

Table 2: Termination Details

Termination DiagramsType of

Input/Output

Type of Field

Device

UITemperature

Sensor

UIVoltage Input -

External Source

UIVoltage Input -

Internal Source

UIVoltage Input

(Self-Powered)

UICurrent Input -

External Source

(Isolated)

8FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

Table 2: Termination Details

Termination DiagramsType of

Input/Output

Type of Field

Device

UICurrent Input -

Internal Source

(2 wire)

UICurrent Input -

Internal Source

(3 wire)

UICurrent Input -

External Source

(in Loop)

UIFeedback from

EPP-1000

UI or BIDry Contact

(Binary Input)

9FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

Table 2: Termination Details

Termination DiagramsType of

Input/Output

Type of Field

Device

CO or AO

Note that

FX-PCA3611

does not have

CO.

0–20 VDC Output

to Actuator

(External Source)

CO or AO

Note that

FX-PCA3611

does not have

CO.

0–10 VDC Output

to Actuator

(Internal Source)

CO or AO

Note that

FX-PCA3611

does not have

CO.

Current Output

Note that

FX-PCA3611

does not have

CO.

24 VAC Triac

Output (Switch

Low, External

Source)

AOAnalog Output

(Current)

10FX-PCA2611-0 Advanced Application Programmable Controller Installation Instructions

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