Johnson Controls FEC26 Series User manual

FEC26 Extended Temperature Field Equipment Controller Installation Instructions 1

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

Applications

The FEC26 extended temperature controller is part of

the Metasys® system Field Equipment Controller

(FEC) family. The FEC26 controller runs

pre-engineered and user-programmed applications

and provides the inputs and outputs required to monitor

and control a wide variety of Heating, Ventilating, and

Air Conditioning (HVAC) equipment.

FEC controllers operate on an RS-485 BACnet®

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

Application Specific Controllers (B-ASCs) and integrate

into the Web-based Metasys system.

North American Emissions Compliance

Canada

United States

Installation

Observe these guidelines when installing an FEC

extended temperature controller:

• Transport the FEC in the original container to

minimize vibration and shock damage.

• Verify that all parts shipped with the FEC.

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

Parts Included

• one FEC26 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 an FEC:

• Ensure the mounting surface can support the FEC,

DIN rail, and any user-supplied enclosure.

IMPORTANT: In Metasys system smoke control

applications, use only the MS-FEU2610-0U and

MS-FEU2620-0U models that are UL Listed, UUKL

864 Listed, Smoke Control Equipment. For Metasys

system smoke control applications, youmust refer to

the Metasys System UL 864 UUKL Ninth Edition

Smoke Control System Technical Bulletin

(LIT-12011252) for detailed requirements and

procedures for installing and operating UUKL 864

Listed Metasys system devices. Failure to meet the

requirements or follow the procedures in the

Metasys System UL 864 UUKL Ninth Edition Smoke

Control System Technical Bulletin (LIT-12011252)

can void the UUKL 864 listing for Smoke Control

Equipment.

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.

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.

FEC26 Extended Temperature Field Equipment Controller

Installation Instructions

MS-FEC2611-0ET Part No. 24-10143-292, Rev. A

Release 6.0

Issued January 30, 2013

Supersedes January 26, 2012

FEC26 Extended Temperature Field Equipment Controller Installation Instructions2

• Mount the FEC on 35 mm DIN rail whenever

possible.

• Mount the FEC in the proper mounting position

(Figure 1).

• Mount the FEC on a hard, even surface whenever

possible in wall-mount applications.

• Use shims or washers to mount the FEC securely

and evenly on the mounting surface.

• Mount the FEC in an area free of corrosive vapors

and observe the Ambient Conditions in the

Technical Specifications section.

• Provide for sufficient space around the FEC for

cable and wire connections, easy cover removal,

and good ventilation through the controller (50 mm

[2 in.] minimum on the top, bottom, and front of the

controllers).

• Do not mount the FEC on surfaces prone to

vibration, such as duct work, or in areas where

electromagnetic emissions from other devices or

wiring can interfere with controller communication.

On panel or enclosure mount applications, observe

these additional guidelines:

• Do not install the FEC in an airtight enclosure.

• Mount the FEC so that the enclosure walls do not

obstruct cover removal or ventilation through the

controller.

• Mount the FEC so that the power transformer and

other devices do not radiate excessive heat to the

controller.

DIN Rail Mount Applications

DIN rail mounting is the preferred mounting method.

To mount an FEC 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 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 to secure

the controller on the DIN rail.

To remove the FEC from the DIN rail, pull the bottom

mounting clips out to the extended position and

carefully lift the controller off the DIN rail.

Figure 1: Controller Mounting Positions

Figure 2: Back of FEC26 Controller Showing

Extended Mounting Clips, DIN Rail Channel, and

FEC26 Extended Temperature Field Equipment Controller Installation Instructions 3

Wall Mount Applications

To mount an FEC 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 positions

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/surface in a proper mount

position and mark the hole locations through the

mounting clips.)

3. Drill holes in the wall at the locations marked in

Step 2, and insert appropriate wall anchors in all

three holes (if necessary).

4. Hold the FEC in place, and insert the screws

through the mounting clips and into the holes.

Carefully tighten all of the screws.

IMPORTANT: Do not overtighten the mounting

screws. Overtightening the screws may damage the

mounting clips.

FEC26 Extended Temperature Field Equipment Controller Installation Instructions4

Figure 3: FEC2621 Controller Physical Features and Wiring Terminals

BINARY

UNIVERSAL BINARY

CONFIGURABLE

ADDRESS

+15V

IN1

ICOM1

IN2

ICOM2

+15V

ICOM6

IN7

ICOM7

ICOM8

IN8

ICOM5

IN6

IN3

ICOM3

IN4

ICOM4

+15v

IN5

COM

SHD

SENSOR

POWER

COM

SABUS

FEC2611

Configu

Voltag

(

)

Binary

(

)

(

)

(

)

(

)

BinaryInputs

DryContact

PulseCoun

(50Hzat

)

(

)

UniversalInputs

canbedefinedas:

VoltageAnalogInput(0-10VDC)

CurrentAnalogInput(4-20mA)

ResistiveAnalogInputs(0-600kohm):

0-2kPotentiometer

RTD:1kNickel,1kPlatinum,orA99BSI

NTC:10kTypeL10kJCITypeII,or2.252kTypeII

DryContactBinaryInpu

LED

StatusIndicators

DeviceAddress

DIPSwitchBlock

BinaryOutputs

24VACTriacs

(

)

FCBusPort

RJ-126-Pin

ModularJack

(Live 24 VAC

on Exposed Jumper Pins.)

Cover Lift

Tab

POWER

FAULT

SA BUS

FC BUS

FC BUS EOL

Mounting Clip

(One of Three)

SOURCE 24VAC

FIG:fec26_phys_feats

Binary Output Source Power

Selection Jumpers

FEC26 Extended Temperature Field Equipment Controller Installation Instructions 5

Wiring

For detailed information on configuring and wiring an

MS/TP Bus, Field Controller (FC) Bus, and Sensor

Actuator (SA) Bus, refer to the MS/TP Communications

Bus Technical Bulletin (LIT-12011034).

FEC Terminal Blocks and Bus Ports

See Figure 3 for terminal block and bus port locations

on the FEC26 extended temperature controller.

Observe the following guidelines when wiring an FEC

controller.

Input and Output Terminal Blocks

All of the fixed input terminal blocks are mounted on

the bottom of the FEC. The output terminal blocks are

mounted on the top of the controller. See Table 1 for

more information.

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

FEC, and other field controllers in a daisy-chain

configuration using 3-wire twisted, shielded cable as

shown in Figure 4. See Table 3 for more information.

Note: The Shield terminal (SHLD) on the FC Bus

terminal block is isolated and can be used to connect

the cable shields on the bus (Figure 4).

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

FEC and other SA Bus devices in a daisy-chain

configuration using 4-wire twisted, shielded cable as

shown in Figure 5. See Table 3 for more information.

FC Bus Port

The FC Bus port on the front of the FEC is an RJ-12,

6-position modular jack that provides a connection for

the Bluetooth® Wireless Commissioning Converter,

ZigBee™ wireless dongle, or ZFR1811 Wireless Field

Bus Router.

The FC Bus port is connected internally to the FC Bus

terminal block. See Table 3 for more information. The

FC Bus Port pin assignment is shown in (Figure 6).

CAUTION: Risk of Electric Shock.

Disconnect the power supply before

making electrical connections to avoid

electric shock.

IMPORTANT: Do not connect supply power to the

controller before finishing wiring and checking all

wiring connections. Short circuits or improperly

connected wires can result in damage to the

controller and void any warranty.

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

FEC components. Use proper electrostatic

discharge precautions during installation, setup, and

servicing to avoid damaging the FEC controller.

Figure 4: FC Bus Terminal Block Wiring

Figure 5: SA Bus Terminal Block Wiring

FEC26 Extended Temperature Field Equipment Controller Installation Instructions6

Sensor Port

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

(Figure 3) is an RJ-12, 6-position modular jack that

provides a connection for the Wireless Commissioning

Converter, the VAV Balancing Tool, specified network

sensors, or other SA Bus devices with RJ-12 plugs.

A DIS1710 Local Controller Display also can be

connected to the SA Bus port (but only on FEC models

without an integral display and push buttons).

The Sensor port is connected internally to the SA Bus

terminal block. See Table 3 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 FEC.

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 3 for more information.

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 FEC can also be installed in a wireless application.

To configure a controller for use with the ZFR1800

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.

2. Connect the ZFR1811 Wireless Field Bus Router to

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

of the FEC.

3. Ensure that the FEC device address DIP switches

are set to the correct device address. See Setting

the Device Address.

4. Position DIP switch 128 to ON to enable wireless

operation on the FEC.

For more information on installing an FEC in a wireless

configuration, refer to the ZFR1811 Wireless Field Bus

Router Installation Instructions (Part No. 24-10325-1).

Figure 6: Pin Number Assignments for

Sensor, SA Bus, and FC Bus Ports on

FEC, IOM, and VMA16

IMPORTANT: Connect 24 VAC supply power to the

FEC 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 FEC

does not require an earth ground connection.

Figure 7: 24 VAC Supply Power

Terminal Block Wiring

FEC26 Extended Temperature Field Equipment Controller Installation Instructions 7

FEC Terminal Functions, Ratings,

Requirements, and Wiring Guidelines

Input and Output Wiring Guidelines

Table 1 provides information and guidelines about the

functions, ratings, and requirements for the FEC input

and output terminals, and references guidelines for

determining proper wire sizes and cable lengths.

In addition to the wiring guidelines in Table 1, observe

these guidelines when wiring FEC inputs and outputs:

•Runall low-voltage wiring and cables separate

from high-voltage wiring.

• All input and output cables, regardless of wire size

or number of wires, should consist of stranded,

insulated, and twisted copper wires.

• Shielded cable is not required for input or output

cables.

• Shielded cable is recommended for input and

output cables that are exposed to high

electromagnetic or radio frequency noise.

• Inputs/outputs with cables less than 30 m (100 ft)

typically do not require an offset in the software

setup. Cable runs over 30 m (100 ft) may require

an offset in the input/output software setup.

Table 1: I/O Terminal Blocks, Functions, Ratings, Requirements, and Cables (Part 1 of 3)

Terminal Block

Label Terminal

Labels Function, Ratings, and Requirements Determine Wire Size and

Maximum Cable Length1

UNIVERSAL

(Inputs) +15 V 15 VDC Power Source for active (3-wire) input devices

connected to the Universal INnterminals.

Provides 100 mA total current.

Same as (Universal) INn.

Note: Use 3-wire cable for

devices that source power

from the +15 V terminal.

INnAnalog Input - Voltage Mode (0-10 VDC)

10 VDC maximum input voltage

Internal 75k ohm Pulldown

See Guideline A in Table 2.

Analog Input - Current Mode (4-20 mA)

Internal 100 ohm load Impedance

Note: A current loop fail-safe jumper can be positioned

to maintain a closed 4-20 mA current loop even when

power to the controller is interrupted or off. See Binary

Output Source Power Selection Jumpers.

See Guideline B in Table 2.

Analog Input - Resistive Mode (0-600k ohm)

Internal 12 V, 15k ohm pull up

Qualified Sensors: 0-2k potentiometer,

RTD (1k Nickel [Johnson Controls® sensor],

1k Platinum, and A99B Silicon Temperature Sensor)

Negative Temperature Coefficient (NTC) Sensor

(10k Type L, 10k JCI Type II, 2.252k Type II)

See Guideline A in Table 2.

Binary Input - Dry Contact Maintained Mode

1 second minimum pulse width

Internal 12 V, 15k ohm pull up

See Guideline A in Table 2.

ICOMnUniversal Input Common for all Universal IN terminals

Note: All Universal ICOMnterminals share a common,

which is isolated from all other commons.

Same as (Universal) INn.

BINARY

(Inputs) INnBinary Input - Dry Contact Maintained Mode

0.01 second minimum pulse width

Internal 18 V, 3k ohm pull up

See Guideline A in Table 2.

Binary Input - Pulse Counter/Accumulator Mode

0.01 second minimum pulse width

(50 Hz at 50% duty cycle)

Internal 18 V, 3k ohm pull up

ICOMnBinary Input Common for all Binary Input (IN) terminals

Note: All Binary ICOMnterminals share a common,

which is isolated from all other commons, except the

Configurable Output (CO) common (OCOMn) when the

CO is defined as an Analog Output.

FEC26 Extended Temperature Field Equipment Controller Installation Instructions8

ANALOG

(Outputs) OUTnAnalog Output - Voltage Mode (0-10 VDC)

10 VDC maximum output voltage

10 mA maximum output current

Requires an external load of 1,000 ohms or more.

Note: The AO operates in Voltage Mode when

connected to devices with impedances greater than

1,000 ohms. Devices that drop below 1,000 ohms may

not operate as intended for Voltage Mode applications.

See Guideline A in Table 2.

Analog Output - Current Mode (4-20 mA)

Requires an external load between 0-300 ohms.

Note: The AO operates in Current Mode when

connected to devices with impedances less than

300 ohms. Devices that exceed 300 ohms may not

operate as intended for Current Mode applications.

See Guideline B in Table 2.

OCOMnAnalog Output Signal Common for all Analog OUT

terminals.

Note: All Analog OCOMnterminals share a common,

which is isolated from all other commons.

Same as (Analog) OUTn.

BINARY

(Outputs)

Power Selection

Jumperpositioned

to External (EXT).

OUTnBinary Output - 24 VAC Triac (External Power)

Connects OUTnto OCOMnwhen activated.

External Power Source:

30 VAC maximum output voltage

0.5 A maximum output current

1.3 A at 25% duty cycle

Maximum 6 cycles/hour with M9220-BGx-3

40 mA minimum load current

See Guideline C in Table 2.

OCOMnBinary Output Common (for OUTn terminal)

Note: Each Binary Output common terminal (OCOMn) is

isolated from all other commons, including other Binary

Output commons.

BINARY

(Outputs)

Power Selection

Jumperpositioned

to Internal (INT).

OUTnBinary Output - 24 VAC Triac (Internal Power)

Sources internal 24 VAC power (24~ HOT) See Guideline C in Table 2.

OCOMnBinary Output - 24 VAC Triac (Internal Power)

Connects OCOMnto 24~ COM when activated.

Internal Power Source:

30 VAC maximum voltage to load

0.5 A maximum output current

1.3 A at 25% duty cycle

Maximum 6 cycles/hour with M9220-BGx-3

40 mA minimum load current

Table 1: I/O Terminal Blocks, Functions, Ratings, Requirements, and Cables (Part 2 of 3)

Terminal Block

Label Terminal

Labels Function, Ratings, and Requirements Determine Wire Size and

Maximum Cable Length1

FEC26 Extended Temperature Field Equipment Controller Installation Instructions 9

Table 2 defines cable length guidelines for the various

wire sizes that may be used for input and output wiring.

CONFIGURABLE

(Outputs) OUTnAnalog Output - Voltage Mode (0-10 VDC)

10 VDC maximum output voltage

10 mA maximum output current

Requires an external load of 1000 ohm or more

See Guideline A in Table 2.

Binary Output 24 VAC Triac

Connects OUT to OCOM when activated.

External Power Source:

30 VAC maximum voltage to load

0.5 A maximum output current

1.3 A at 25% duty cycle

Maximum 6 cycles/hour with M9220-BGx-3

40 mA minimum load current

See Guideline C in Table 2.

OCOMnAnalog Output Signal Common: All Configurable

Outputs defined as Analog Outputs share a common,

which is isolated from all other commons except the

Binary Input common.

Binary Output Signal Common: All Configurable

Outputs defined as Binary Outputs are isolated from all

other commons, including other Configurable Output

commons.

Same as (Configurable)

OUTn.

1. See Table 2 to determine wire size and cable lengths for cables other than the recommended cables.

Table 1: I/O Terminal Blocks, Functions, Ratings, Requirements, and Cables (Part 3 of 3)

Terminal Block

Label Terminal

Labels Function, Ratings, and Requirements Determine Wire Size and

Maximum Cable Length1

Table 2: Cable Length Guidelines for Recommended Wire Sizes

Guideline Wire Size/Gauge and Type Maximum Cable Length

and Type Assumptions

A1.5 mm2 (18 AWG) stranded copper 457 m (1,500 ft) twisted wire 100 mV maximum voltage drop

Depending on the cable length and

the connected input or output device,

you may have to define an offset in

the setup software for the input or

output point.

0.8 mm (20 AWG) stranded copper 297 m (975 ft) twisted wire

0.6 mm (22 AWG) stranded copper 183 m (600 ft) twisted wire

N/A (24 AWG) stranded copper 107 m (350 ft) twisted wire

B1.5 mm2 (18 AWG) stranded copper 229 m (750 ft) twisted wire 100 mV maximum voltage drop

Depending on the cable length and

the connected input or output device,

you may have to define an offset in

the setup software for the input or

output point.

0.8 mm (20 AWG) stranded copper 137 m (450 ft) twisted wire

0.6 mm (22 AWG) stranded copper 91 m (300 ft) twisted wire

N/A (24 AWG) stranded copper 61 m (200 ft) twisted wire

CSee Figure 8 to select wire size/gauge.

Use stranded copper wire. See Figure 8 to determine

cable length. Use twisted

wire cable.

N/A

FEC26 Extended Temperature Field Equipment Controller Installation Instructions10

Maximum Cable Length versus Load Current

Use Figure 8 to estimate the maximum cable length

relative to the wire size and the load current (in mA)

when wiring inputs and outputs.

FC and SA Bus and Supply Power Wiring

Guidelines

Table 3 provides information about the functions,

ratings, and requirements for the FEC communication

bus and supply power terminals; and provides

guidelines for wire sizes, cable types, and cable

lengths when wiring the FEC communication buses

and supply power.

In addition to the guidelines in Table 3, observe these

guidelines when wiring the SA/FC Buses and supply

power:

•Runall low-voltage wiring and cables separate

from high-voltage wiring.

• All FC and SA Bus cables, regardless of wire size,

should be twisted, insulated, stranded copper wire.

• Shielded cable is strongly recommended for all FC

and SA Bus cables.

• Refer to the MS/TP Communications Bus

Technical Bulletin (LIT-12011034) for detailed

information regarding wire size and cable length

requirements for the FC and SA buses.

Figure 8: Maximum Wire Length by Current and Wire Size

Table 3: Communication Bus and Supply Power Terminal Blocks, Functions, Ratings, Requirements, and

Cables (Part 1 of 2)

Terminal

Block/Port

Label

Terminal

Labels Function, Electrical Ratings/Requirements Recommended Cable Type1

FC BUS2+

-FC Bus Communications 0.6 mm (22 AWG) stranded, 3-wire

twisted, shielded cable

recommended

COM Signal Reference (Common) for bus communications

SHLD Isolated terminal (optional shield drain connection)

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