Johnson Controls LN-DSWSC1-0 User manual

LN-Display Installation Instructions 1

Applications

The LN-Display controller has multifunction LCD

display. The controller can operate with LN Series

controllers or other multi-vendor open and

interoperable LONWORKS® controllers, and can display

up to 250 network variables.

The controller is based on LONWORKS technology for

peer-to-peer communication between controllers. The

Display is available in two casings: surface and flush

mount.

North American Emissions Compliance

United States

Canada

Installation

Dimensions

Figure 1 shows the LN-Display surface mount casing

dimensions.

Figure 2 shows the flush mount casing dimensions.

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 is

likely to cause harmful interference, in which case

the user will be required to correct the interference

at his/her own expense.

This Class (A) digital apparatus meets all

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.

Figure 1: Surface Mount Casing

Dimensions, in. (mm)

FIG: surface_mount

1.4754 in.

(37.47 mm)

4.5687 in.

(116 mm)

4.5685

(116 mm)

3.3959 in.

(86.25 mm)

3.4100 in.

(86.61 mm)

2.3620 in.

(59.22 mm)

3.2500 in.

(82.55 mm)

BACK VIEW

BOTTOM VIEW

FRONT VIEW SIDE VIEW

LN-Display

Installation Instructions

LN-DSWSC1-0, LN-DSWSC2-0 Code No. LIT-1201904

Issued April 24, 2014

Supersedes June 21, 2012

LN-Display Installation Instructions2

Mounting

Three mounting scenarios are available for the Display

casing: North American Electrical Box, European

Electrical Box, and DIN Rail.

Figure 2: Flush-Mount Casing Dimensions

1.4754 in.

(37.475 mm)

0.1813 in.

(4.605 mm)

6.0000 in.

(152.4 mm)

6.0000 in.

(152.4 mm)

5.4500 in.

(138.43 mm)

5.4500 in.

(113.03 mm)

Ø0.1540

in.

(3.91 mm)

4.8086 in.

(122.13 mm)

4.8086 in.

(122.13 mm)

1.1543 in.

(29.31 mm)

0.5000 in.

(12.7 mm)

1.0000 in.

(25.4 mm)

0.0800 in.

(2.032 mm)

BACK VIEW

BOTTOM VIEW

FRONT VIEW

SIDE

VIEW

FIG: flush_mount

LN-Display Installation Instructions 3

North American Electrical Box

To mount the North American Electrical Box:

1. Remove the Display panel from the device by

gently pressing on the panel and pulling the front

panel outward (Figure 3).

2. Select a mounting location.

3. Pull the power and network communication wires

until they extend 6 in. (152 mm) from the electrical

box.

4. Pull the power and network communication wires

through the wire exit hole (Figure 4).

5. Position the base plate on the electrical box.

6. Mount the base plate using the screws provided

with the electrical box.

7. Connect the power and network communication

wires. See the Wiring section for more information.

8. Reattach the front panel to the base plate by

pressing gently on the Display until the panel clicks

into place.

European Electrical Box

Follow the steps in the North American Electrical Box

section.

DIN Rail

To mount on a DIN rail:

1. Remove the Display panel from the device by

gently pressing on the panel and pulling the front

panel outward (Figure 3).

2. Break off the tabs to expose the DIN rail channels

in the base plate (Figure 5).

3. Break off the cover from the exit hole (Figure 5).

4. Pull the power and network communication wires

through the wire exit hole

5. Slide the back plate onto the DIN rail (Figure 6).

Figure 3: Removing the Surface Mount

Casing

FIG: Casing

Figure 4: Mounting Screw Holes

FIG: holes

4 4

1. Wire exit hole

2. Mounting screw holes for 2x4 electrical boxes

3. Mounting screw holes for 4x4 electrical boxes

4. Mounting screw holes for 1/4 DIN electrical boxes

Break-off tabs for

Din Rail mounting

Wire exit hole

break-off cover

Figure 5: DIN Rail Installation – Break Off

Figure 6: DIN Rail Mounted

FIG: din_rail

LN-Display Installation Instructions4

6. Connect the power and network communication

wires. See the Wiring section for more information.

7. Reattach the front panel to the base plate by

pressing gently on the Display until the panel clicks

into place.

Flush Mount Casing

To mount the LN-Display with flush mount casing:

1. Remove the Display panel from the device by

gently pressing outwards on the rear openings

(Figure 7).

2. Create a 4 1/2 x 4 1/2 in. (113 x 133 mm) opening

in the enclosure cover, if necessary (Figure 8).

Note: See Figure 2 for the controller dimensions.

3. Position the Display in the opening of the enclosure

cover and then transfer the position of the four

mounting holes to the cover (Figure 9).

4. Remove the Display front panel from the enclosure

cover and drill the four holes.

5. Fasten the enclosure cover on the panel.

6. Pull the power and network communication wires

through the wire exit hole.

7. Connect power and network communication wires.

8. Reattach the front panel to the base plate by

pressing gently on the display until the panel clicks

into place.

Location Considerations

For proper installation and subsequent operation of the

Display controller, follow these recommendations:

• Allow for proper clearance of device casing, wiring

terminals, and service pin for easy access,

hardware configuration, and maintenance.

• Record the Neuron® ID number located on the

inside of the device casing for commissioning the

device.

• Install at the following environmental conditions:

Ambient temperature: 32 to 158°F (0 to 70°C)

Relative humidity: 0 to 95%, noncondensing

• Ensure proper ventilation of devices, and avoid

area where corroding, deteriorating, or explosive

vapors, fumes, or gasses may be present.

Wiring

Power Wiring

LN-Display device power requirements: 24 VAC/VDC,

±15%, Class 2. Use transformers of 100 VA or less.

Figure 7: Remove Flush Mount

Casing

Figure 8: Enclosure

IMPORTANT: Make all wiring connections in

accordance with local, national, and regional

regulations. Do not exceed the LN-Display’s

electrical rating.

Figure 9: Mounting Holes for Flush

Mount Casing

1. Mounting holes for flush mount casing

LN-Display Installation Instructions 5

The minimum cable section for power wiring is

18 AWG. We recommended using the heaviest gauge

wire based on a maximum of 14 AWG and a minimum

of 18 AWG.

If you are applying power to more than one device, use

the following method to calculate power requirements

of the transformer:

• Add maximum power consumption of all devices

and multiply by 1.3.

• If the resulting number is higher than 100 VA, use

multiple Class 2 transformers. Do not interconnect

the outputs of Class 2 transformers or power

sources unless listed for such connections.

• For multiple devices powered from the same

transformer, maintain consistent polarity between

all controllers. Connect the COM terminals from

each controller to the same terminal on the

secondary side of the transformer.

We recommend using an external fuse on the 24 VAC

secondary side of the transformers to protect all

devices against power line spikes (Figure 10).

Communications Wiring

The approved cable type for LON communications is

Level IV 22 AWG (0.65 mm) UNSHIELDED. You can

use both one-pair and two-pair wires. The LON

communication wire is polarity insensitive and can be

laid out in either bus, star, loop, or free topology.

Connect both wires to the NET terminals of the

controller. If you are inserting multiple wires in the

terminals, properly twist wires together prior to inserting

them in the terminal connectors (Figure 11).

Note: For additional information about network

topology and wire-length restrictions, refer to the

Echelon® Junction Box and Wiring Guideline for

Twisted Pair LONWORKS Networks

(Part No. 005-0023-01).

CAUTION: 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.

Figure 10: Power Wiring

FUSE

Controller 2

COM

Transformer LN-Display

24VAC/DC

24 VAC/DC

24 VAC

IMPORTANT: Use proper terminations on the

network, according to the type of network topology

you are using. Failure to do so might result in

communication errors between controllers. Do not

use multiple gauges of cable on the same

communication bus, as this may also result in

communication errors.

Figure 11: Communications Wiring

Controller 2

EC-Display

Network

NET

GND

NET B

NET A

LN-Display

LN-Display Installation Instructions6

The LN-Display controller also has a built-in network

jack (1/8 in. [3.5 mm] mono male audio jack) that can

be used to connect to the LONWORKS network. This

network jack is located on the bottom of the device

(Figure 12).

Selecting Network Terminators

For information on selecting Network Terminators,

refer to the LONWORKS LN-Series Network

Communication and Interface Guide Technical Bulletin

(LIT-12011253).

Setup and Adjustments

Commissioning

To commission a device and add it to a LONWORKS

network, use the device plug-in as well as the .xif and

.apb files.

Note: The device commissioning instructions only

apply when you are using a LONWORKS Network

Services (LNS®) network management tool, such as

LN-Builder.

To obtain the necessary files:

1. Run the installation setup to install the device

plug-in and the latest version of the .xif and .apb

files onto your computer. The .xif and .apb files

install in the C:\LonWorks\Import\JCI folder.

2. Register the plug-in on the network database. By

doing this, you create the device template that is

used to commission the device.

3. Commission the device using the proper device

template and .apb file with your network

management tool.

Note: If you download an improper .apb file into the

device, you may damage the Neuron chip in your

controller. The controller may become unusable.

Neuron ID and Service Pin

To commission a device and add it to a LONWORKS

network, you need the Neuron ID of the device. There

are two methods to obtain the Service Pin number.

To locate the Neuron ID number, perform one of the

following procedures:

1. Manual entry: The Neuron ID address and bar

code are located on either the top panel of the

device (surface and DIN rail models), or inside the

casing of the device (flush mount models).

2. Service Pin: Press the Service Pin on the device

to broadcast the Neuron ID on the LONWORKS

network. The Service Pin on the Scheduler is

located on the bottom right of the device

(Figure 12). The Display device may have multiple

methods for broadcasting the Neuron ID over the

network depending on the revision level of the

actual controller. The revision number is located on

the printed circuit board, inside the casing.

Information on Revision levels:

• all devices with Revision 5 or later have a

Service Pin located on the bottom of the device

• all devices with Revision 4 or earlier have a

Reset Pin instead of a Service Pin. (When you

press the Reset Pin the controller performs a

cold reset and restarts the device.)

Repair Information

If the LN-Display fails to operate within its

specifications, replace the unit. For a replacement,

contact the nearest Johnson Controls® representative.

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.

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.

Figure 12: Bottom View

LN-Display Installation Instructions 7

Troubleshooting

Table 1 describes possible troubleshooting problems

and solutions.

Table 1: Troubleshooting

Problem Cause Solution

Device is powered but

does not turn on. Fuse has blown

(Auto-reset fuse) Disconnect the power, the inputs, and the output terminals. Wait a

few seconds to allow the auto-reset fuse to cool down. Check the

power supply and the input/output wiring. Reconnect the power.

Power supply polarity Verify that consistent polarity is maintained between all controllers

and the transformer. Ensure the COM terminal of each controller is

connected to the same terminal on the secondary side of the

transformer (Figure 11).

Device cannot

communicate on the FTT

network.

Absent or incorrect

supply voltage Check power supply voltage between 24 VAC/DC and COM pins to

ensure that it is between acceptable limits. Check for tripped fuse or

circuit breaker.

Overloaded power

transformer Verify the transformer used is powerful enough to supply all

controlled devices.

Network not wired

properly Verify the wire connections are correct.

Absent or incorrect

network termination Check the terminations.

Device communicates

well on short network

but does not

communicate on large

network.

Network length Check the total wire length to verify it does not exceed the

specifications.

Wire type Check the wire type to verify it meets the specifications. Ensure you

are using unshielded wire.

Network wiring problem Verify the wire connections are correct.

Absent or incorrect

network termination Check the terminations. Incorrect or broken terminations make the

communication integrity dependent upon a device’s position on the

network.

Extra capacitance Verify that no extra capacitance is connected to the network other

than the standard FTT circuit and a maximum of a 10 ft (3 m) stub (in

bus topology).

Number of devices on

network segment

exceeded

The number of devices on a channel should never exceed 64. Use a

router or a repeater in accordance to the specifications.

Network traffic Query node statistics to check errors. Use a LON protocol analyzer to

check network traffic.

Status

Light Emitting Diode

(LED)1

Off The device is in normal operation or the device is not powered.

If the device is not powered and the LED is Off, press the Service Pin

to light up the LED display.

On The device has no application. Reload the application file (.apb).

Slow Blink

1 second On,

1 second Off

The device is not configured. Commission the device.

Fast Blink

1 second On,

1 second Off

Watchdog time out. The application is corrupted.

Call your Johnson Controls representative to report the problem.

1. The Status LED is located on the bottom right of the LCD display. It emits an orange light when the device is ON.

Published in U.S.A. www.johnsoncontrols.com

LN-Display Installation Instructions8

Metasys® and Johnson Controls® are registered trademarks of Johnson Controls, Inc.

Building Efficiency

507 E. Michigan Street, Milwaukee, WI 53202

Technical Specifications

LN-Display

Power Voltage: 24 VAC/DC; ±15%, 50/60 Hz, Class 2

Protection: 500 mA auto-reset fuse

Consumption: 8 VA

Environmental Operating Temperature: 32 to 158°F (0 to 70°C)

Storage Temperature: -4 to 158°F (-20 to 70°C)

Relative Humidity: 0 to 90% noncondensing

General Processor: Neuron 3150™, 8 bits, 10 MHz

Memory: Nonvolatile Flash 64 K (APB application,

Nonvolatile Flash 64 K [storage])

Communication: LonTalk® protocol

Transceiver: TP/FT-10, 78 Kbps

Status Indicator: Green LEDs on outputs

Communication Jack Input: 1/8 in. (3.5 mm)

Enclosure Material: ABS Resin

Color: Off White

Dimension (FMT): 6 in. x 6 in. x 1.48 in. (151 x 151 x 38 mm)

Dimension (SMT): 4.57 in. x 4.57 in. x 1.48 in. (116 x 116 x 38 mm)

Shipping Weight (FMT): 0.88 lb (0.40 kg)

Liquid Crystal Display (LCD) Type: Backlit

Definition: 128 x 128 pixels

Display Area: 2.1 x 2.1 in. (53 x 53 mm)

Screen Saver: Customizable

Compliance United States UL Listed, File E107041, CCN PAZX, to UL 916, Energy Management

Equipment. FCC Compliant to CFR 47, Part 15, Subpart B, Class B.

Canada UL Listed, File E107041, CCN PAZX7, to CAN/CSA C22.2 No. 205, Signal

Equipment. Industry Canada, IECES-003.

The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these

specifications, contact the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or

misuse of its products.

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