Johnson Controls MS-IOU4710-0U Manuale utente

IOU4710 Input/Output Module Installation Instructions

MS-IOU4710-0U

Part No. 24-10144-254, Rev. A

Software Release 8.1

Issued March 2018

Application

The IOU47 field controller is part of the Metasys®system

Field Equipment Controller family. This controller expands

the number of points connected to a Network Automation

Engine (NAE), Network Control Engine (NCE), Field

Equipment Controller (FEC), or Advanced Application

Field Equipment Controller (FAC) to monitor and control

a wide variety of HVAC equipment.

The IOU controller operates on an RS-485 BACnet®

MS/TP Bus as BACnet Application Specific Controllers

(B-ASCs) and integrate into Johnson Controls®and

third-party BACnet systems.

Note: With CCT Release 10.3 and Release Module (RM)

10.2, a new capability allows VMAs, FECs, and

FACs to communicate by using either the BACnet

or the N2 field bus networking protocol. The I/O

can be connected through the SA bus to a host

controller that is using either the BACnet or the

N2 protocol. Only the BACnet protocol is

supported when the I/O is connected directly to

the trunk using the FC bus.

Important: The MS-IOU4710-0U model is used in

Metasys Release 8.1 smoke control

applications and is UL 864 UUKL/UUKLC

10th Edition Smoke Control Listed. You

must refer to the Metasys®System UL 864

10th Edition UUKL/ORD-C100-13 UUKLC

Smoke Control System Technical Bulletin

(LIT-12012487) for detailed requirements

and procedures for installing,

commissioning, and operating UL 864

UUKL/UUKLC Listed Metasys system

devices. The UL 864 UUKL/UUKLC listing

for Smoke Control Equipment is voided if

(1) you do not use the required software

tools at the required versions; or (2) you do

not meet the requirements or do not follow

the procedures as documented in the

Metasys®System UL 864 10th Edition

UUKL/ORD-C100-13 UUKLC Smoke

Control System Technical Bulletin

(LIT-12012487).

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 a 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 controller with removable terminal blocks (Power

and SA/FC bus are removable)

• one installation instructions sheet

1IOU4710 Input/Output Module Installation Instructions

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 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 8.

• 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

IOU47 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.

Figure 1: Controller Mounting Positions

DIN Rail Mount Applications

Mounting the controller horizontal on 35 mm DIN rail is

the preferred mounting method.

To mount an IOU47 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 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 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.

2IOU4710 Input/Output Module Installation Instructions

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.)

Attaching the Cover

You may attach the cover before or after wiring the IOU

controller.

1. Place the hinge tabs (cover) onto the top of the hinge

slots (base).

Do not fully insert the tabs into the slots. If the tabs

are fully inserted into the slots, the cover hinge may

not allow the cover to close.

2. Close the cover.

3. Tighten the cover screw to secure the cover to the

base.

Figure 3: Attaching the Cover

3IOU4710 Input/Output Module Installation Instructions

Figure 4: IOU4710 Physical Features (Labeled IOM)

Wiring

Observe the following guidelines when wiring a controller:

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.

4IOU4710 Input/Output Module Installation Instructions

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).

Terminal Blocks and Bus Ports

See Figure 4 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 2 for more

information about I/O terminal functions, requirements,

and ratings.

SA/FC Bus Terminal Block

An IOU 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 IOU 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 Figure 5. See Table

4for more information.

Figure 5: FC Bus Terminal Block Wiring

When connecting the IOU 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 6. See Table

3for more information.

Figure 6: 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 6) or the cable

shields on the FC bus (Figure 5).

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.

The SA/FC bus port is connected internally to the SA/FC

bus terminal block. See Table 4 for more information.

The SA/FC bus port pin assignment is shown in Figure

5IOU4710 Input/Output Module Installation Instructions

Figure 7: Pin Number Assignments for Sensor, SA

Bus and FC Bus Ports on Controllers

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 8. The middle terminal on the supply

power terminal block is not used. See Table 4 for more

information about the supply terminal block.

Figure 8: 24 VAC Supply Power Terminal Block Wiring

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

Important: Wireless operation is not approved for

smoke control applications. Refer to the

Metasys®System UL 864 10th Edition

UUKL/ORD-C100-13 UUKLC Smoke

Control System Technical Bulletin

(LIT-12012487) for detailed requirements

and procedures for installing,

commissioning, and operating UL 864

UUKL/UUKLC Listed Metasys system

devices.

6IOU4710 Input/Output Module Installation Instructions

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 1: 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)

7IOU4710 Input/Output Module Installation Instructions

Table 1: Termination Details

Termination DiagramsType of

Input/Output

Type of Field Device

UICurrent Input - Internal Source

(3 wire)

UICurrent Input - External

Source (in Loop)

UIFeedback from EPP-1000

UI or BIDry Contact (Binary Input)

CO or AO0–10 VDC Output to Actuator

(External Source)

CO or AO0–10 VDC Output to Actuator

(Internal Source)

8IOU4710 Input/Output Module Installation Instructions

Table 1: Termination Details

Termination DiagramsType of

Input/Output

Type of Field Device

CO or AO4–20 mA Output to Actuator

AOVoltage (Analog Output)

AOAnalog Output (Current)

CO or AO24 VAC Triac Output (Switch

Low, External Source)

CO or AOIncremental Control to

Actuator (Switch Low,

Externally Sourced)

CO or AO24 VAC Triac Output (Switch

High, Externally Sourced)

9IOU4710 Input/Output Module Installation Instructions

Table 1: Termination Details

Termination DiagramsType of

Input/Output

Type of Field Device

CO or AOIncremental Control to

Actuator (Switch High,

Externally Sourced)

BOIncremental Control to

Actuator (Switch Low,

Externally Sourced)

BO24 VAC Binary Output (Switch

Low, Externally Sourced)

BO24 VAC Binary Output (Switch

High, Externally Sourced)

BOIncremental Control to

Actuator (Switch High,

Externally Sourced)

10IOU4710 Input/Output Module Installation Instructions

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