Johnson Controls PCA2513 Manuale utente

PCA2513 Advanced Application

Programmable Controller Installation

Instructions

Application

The PCA2513 Controller run pre-engineered and user-programmed applications and provides

the inputs and outputs required to monitor and control a wide variety of HVAC and other facility

equipment.

PCA controllers operate on an RS-485 BACnet® MS/TP Bus as BACnet Application Specific

Controllers (B-AACs) and integrate into Johnson Controls and third-party BACnet systems.

Communications protocols

The PCA2513 controller can communicate using BACnet MS/TP or N2. By default, the PCA2513

controller communicates using the standard BACnet MS/TP protocol based on the ANSI/ASHRAE

135-2012. The BACnet protocol is a standard for ANSI, ASHRAE, and the International Standards

Organization (ISO) for building controls.

North American Emissions Compliance

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.

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.

Installation

Observe the following guidelines when installing a PCA controller:

• To minimize vibration and shock damage, transport the controller in the original container.

• Verify that all parts shipped with the controller.

• Do not drop the controller or subject it to physical shock.test

Parts included

• One PCA controller with removable terminal blocks (Power, SA bus, and FC bus are removable)

Part No. 24-10143-1167 Rev B

2019-03-22 CH-PCA2513-0

*24101431167B*

• 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 the following guidelines when mounting a PCA 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 (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 a PCA 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.

PCA2513 Advanced Application Programmable Controller Installation Instructions2

Figure 1: Mounting positions

DIN rail mount applications

Mounting the PCA horizontally on 35 mm DIN rail is the preferred mounting method.

To mount a controller on 35 mm DIN rail, complete the following steps:

1. Securely mount a 20 cm (8 in.) or longer section of 35 mm DIN rail horizontal and centered

in the appropriate location 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, 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 a PCA directly on a wall or other flat vertical surface, complete the following steps:

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.

3PCA2513 Advanced Application Programmable Controller Installation Instructions

Mounting features and dimensions

See Figure 2 for mounting dimensions in millimeters and inches. Inches are listed in parenthesis.

Figure 2 also illustrates the DIN rail channel and the mounting clips in an extended position.

Figure 2: Back of PCA2513 Controller

PCA2513 Advanced Application Programmable Controller Installation Instructions4

PCA2513 physical features

Figure 3: PCA2513 physical features

Table 1: Physical features

Callout Physical features: description and references

1Device Address Dip Switch Block (see Setting the device address)

2Configurable Output (CO) Terminal Block (see Table 3)

324 VAC, Class 2 Supply Power Terminal Block (see Supply power terminal block)

4Field Controller (FC) Bus Terminal Block (see FC bus terminal Bblock)

5Sensor Actuator (SA) Bus Terminal Block (see SA bus terminal block)

6Sensor Actuator (SA) Bus (RJ-12 6-pin Modular Jack) (see Sensor port)

7Binary Input (BI) Terminal Block (see Table 3)

8Universal Inputs (UI) Terminal Block (see Table 3)

9LED Status Indicators (see Table 8)

10 Binary Output (BO) Terminal Block (see Table 3)

11 Analog Outputs (AO) Terminal Block (see Table 3)

12 Cover lift tabs

5PCA2513 Advanced Application Programmable Controller Installation Instructions

Wiring

CAUTION

Risk of Electric Shock

Disconnect the power supply before making electrical connections to avoid electric shock.

CAUTION

Risque de décharge électrique

Débrancher l'alimentation avant de réaliser tout raccordement électrique afin d'éviter tout risque de

décharge électrique.

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

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 following documents depending on your system (FX or BCPro): 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 a terminal block and bus port locations on the controller. Observe the following

guidelines for terminal blocks and bus ports when you wire a controller.

PCA2513 Advanced Application Programmable Controller Installation Instructions6

Input and Output terminal blocks

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 Figure 3 for more information about

I/O terminal functions, requirements, and ratings.

FC bus terminal Bblock

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 below. See Table 6 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 the following figure. See

Table 6 for more information.

7PCA2513 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.

Sensor port

The Sensor (SA Bus) port on the bottom of the controller (Figure 3) is an RJ-12, 6-position modular

jack that provides a connection for the Mobile Access Portal (MAP) Gateway, the Bluetooth®

Commissioning Converter (BTCVT), the VAV Balancing Tool, specified network sensors, or other SA

Bus devices with RJ-12 plugs.

The Sensor port is connected internally to the SA bus terminal block. See Table 6 for more

information. The Sensor Port pin assignment is shown in Figure 6.

Note:

The MAP Gateway serves as a replacement for the BTCVT, which is no longer available for pur-

chase, but continues to be supported.

Figure 6: Pin number assignments for sensor and SA bus ports on Controllers

PCA2513 Advanced Application Programmable Controller 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.

Wire the 24 VAC supply power wires from the transformer to the HOT and COM terminals on the

terminal plug as shown below. Do not use the middle terminal on the supply power terminal block.

See Table 6 for more information about the Supply Terminal Block.

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 PCA does not require an earth ground connection.

9PCA2513 Advanced Application Programmable Controller Installation Instructions

Termination diagrams

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

Voltage

Input -

External

Source

Voltage

Input -

Internal

Source

Voltage

Input (Self-

Powered)

PCA2513 Advanced Application Programmable Controller Installation Instructions10

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