Johnson Controls FEC1611 User manual

FEC1611 and FEC1621 Field Equipment Controller

Installation Instructions

MS-FEC1611-1, MS-FEC1621-1, MS-FEC1611-1ET

(barcode for factory use only)

Part No. 24-10143-136, Rev. M

Issued April 2018

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

Application

The FEC16 Field Equipment Controller (FEC) is part of the Metasys®system Field Equipment Controller family.

The FEC16 controller runs pre-engineered and user-programmed applications and provides the inputs and outputs

required to monitor and control a wide variety of HVAC equipment.

The FEC controllers can communicate using either BACnet Master-Slave/Token-Passing (MS/TP) or N2

communications protocols. These controllers used as MS/TP devices operate on an RS-485 BACnet®MS/TP Bus

as BACnet Application Specific Controllers (B-ASC) and integrate into Johnson Controls®and third-party BACnet

systems.

The FEC16 controller is available with or without an integral LCD and push-button user interface.

Communications Protocol

The Metasys®system FEC Family Controllers and network sensors communicate using either the standard BACnet

protocol, based on the ANSI/ASHRAE 135-2008, or the BACnet/IP protocol. The BACnet protocol is a standard for

ANSI, ASHRAE, and the International Standards Organization (ISO) for building controls.

FEC, VMA16, VMA18, and most IOM field controllers are BTL-listed as BACnet Application Specific Controllers

(B-ASCs). FAC field controllers and the VMA1930 Field Controller are BTL-listed as BACnet Advanced Application

Controllers (B-AACs).

Release 10.1 and later of the Controller Configuration Tool (CCT) can be used to switch the Field Bus communications

protocol in supported FEC, FAC and VMA controllers to be either the standard BACnet MS/TP or the N2 protocol.

All new controllers use either BACnet MS/TP as the default communications protocol, or BACnet/IP. Switchable

communications protocols in the MS/TP models provide a cost-effective upgrade and modernization path for customers

with existing N2 controllers.

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.

1FEC1611 and FEC1621 Field Equipment Controller Installation Instructions

Installation

Observe these guidelines when installing a field 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 field controller with removable terminal blocks

• 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 a field 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

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 a 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.

2FEC1611 and FEC1621 Field Equipment Controller Installation Instructions

Figure 1: Field Controller Mounting Positions

DIN Rail Mount Applications

Mounting the controller horizontal on 35 mm DIN rail is the preferred mounting method.

To mount a field 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 a field controller 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 three 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 locations marked in Figure 2, and insert appropriate wall anchors in all of

the mounting 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.

3FEC1611 and FEC1621 Field Equipment Controller Installation Instructions

Figure 2: Back of Controller Showing Extended Mounting Clips, DIN Rail Channel, and Mounting Dimensions,

mm (in.)

4FEC1611 and FEC1621 Field Equipment Controller Installation Instructions

Figure 3: FEC1621 Physical Features

Table 1: FEC1621 Physical Features Callouts and Descriptions

Physical Feature: Description and ReferencesCallout

Binary Output (BO) Source Power Selection Jumpers (see Binary Output (BO) Source Power Selection Jumpers)

Device Address DIP Switch Block (see Figure 9)

Mounting Clip3

Configurable Output (CO) Terminal Blocks (see Table 3)

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

Cover Lift Tab (One of Two) (see Figure 3)

Display Navigation Buttons (see Setting Up an Integral or Local Display)

Note: Not available on all FEC models.

LCD Display Area (see Setting Up an Integral or Local Display)

Note: Not available on all FEC models.

FC Bus Terminal Block (see FC Bus Terminal Block)

Sensor Actuator (SA) Bus Terminal Block (see SA Bus Terminal Block)

Sensor Port (Sensor Actuator [SA] Bus, RJ-12 6-pin Modular Jack) (see Figure 6)

Binary Inputs (BIs) Terminal Block (see Table 3)

Universal Inputs (UIs) Terminal Blocks (see Table 3)

LED Status Indicators (see Table 8)

Field Controller (FC) Bus Port (RJ-12 6-pin Modular Jack) (see Figure 6)

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

5FEC1611 and FEC1621 Field Equipment Controller Installation Instructions

Wiring

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 MS/TP

Communications Bus Technical Bulletin (LIT-12011034). For detailed information on wiring an N2 bus, refer to the

N2 Communications Bus Technical Bulletin (LIT-636018).

FEC Terminal Blocks and Bus Ports

See Figure 3 for terminal block and bus port locations on the FEC16 controller. Observe the following guidelines

when wiring a controller.

Input and Output Terminal Blocks

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 Table 5 for more information.

6FEC1611 and FEC1621 Field Equipment Controller Installation Instructions

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 Table 5 for more information.

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.

7FEC1611 and FEC1621 Field Equipment Controller Installation Instructions

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

Wireless Commissioning Converter or any models of the ZFR or ZFR Pro Routers for wireless field bus applications.

The FC bus port is connected internally to the FC bus terminal block. See Table 5 for more information. The FC bus

Port pin assignment is shown in Figure 6.

Note: When an FEC 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 (Figure 3) is an RJ-12, 6-position modular jack that provides

a connection for the Wireless Commissioning Converter, the VAV box Balancing Tool, specified network sensors,

or other SA Bus devices with RJ-12 plugs.

When the FEC is configured for N2 communication, the SA Bus port must be used to download and commission

the controller.

A DIS1710 Local Controller Display also can be connected to the SA Bus port (but only on FEC models without

integral display and pushbuttons).

The Sensor port is connected internally to the SA bus terminal block. See Table 5 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 Table 5 for more

information about the Supply Terminal Block.

8FEC1611 and FEC1621 Field Equipment 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 Field Bus Applications

When configured for BACnet MS/TP communication, the controller can also be installed in a ZFR/ZFR Pro Wireless

Field Bus System.

To configure a controller for use with a 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 Input/Output Module (IOM) to an SA bus only.)

2. Connect the ZFR/ZFR Pro 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 Setting the

Device Addresses.

4. Set DIP switch 128 to ON, which enables wireless operation on the controller.

For more information on the ZFR Pro Wireless Field Bus system, refer to the WNC1800/ZFR182x Pro Series

Wireless Field Bus System Product Bulletin (LIT-12012320).

For more information on the ZFR Wireless Field Bus system, refer to the ZFR1800 Series Wireless Field Bus

System Product Bulletin (LIT-12011336).

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.

9FEC1611 and FEC1621 Field Equipment 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)

UICurrent Input - Internal

Source (2-wire)

10FEC1611 and FEC1621 Field Equipment Controller Installation Instructions

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