Johnson Controls LN-IO -1 Series User manual

LNApplication Specific, Remote I/O, and Free Programmable Controllers

Installation Instructions

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

Application

Follow these recommendations for proper installation and subsequent operation of each controller:

• Properly inspect the product for shipping damage. Do not install damaged controllers.

• Record the 12-digit Neuron® ID located on either end of the device (shown on the sticker below the barcode)

for commissioning.

• Operate the controller under the following conditions:

- Ambient temperature:

LN-PRG203-2, LN-PRG300-2, LN-PRG4x0-2, LN-RTUL-1, LN-FCUL-1, LN-UVL-1, LN-HPUL-1: 32 to 158°F

(0 to 70°C), LN-IO301-1, LN-IO401-1 and LN-PRG5x0-2: 32 to 122°F (0 to 50°C)

- Relative humidity: 0 to 90%, noncondensing

North American Emissions Compliance

United States

Canada

IMPORTANT: Prevent any static electric discharge to the controller. Static discharge can damage the controller

and void the warranties.

Compliance Statement (Part 15.19)

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference, and

This device must accept any interference received, including interference that may cause undesired operation.

Warning (Part 15.21)

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to

operate the equipment.

The term IC before the certification/registration number only signifies that the Industry Canada technical specifications were

met.

Industry Canada Statement

Le terme «IC» précédant le numéro d'accréditation/inscription signifie simplement que le produit est conforme aux

spécifications techniques d'Industry Canada.

LN Application Specific, Remote I/O, and Free

Programmable Controllers

Installation Instructions

LN-RTUL-1, LN-FCUL-1, LN-UVL-1, LN-HPUL-1, LN-IOxxx-1,

LN-PRG203-2, LN-PRG300-2, LN-PRG4x0-2, LN-PRG5x0-2

Code No. LIT-12011320

Issued December 2017

LN Application Specific, Remote I/O, and Free Programmable Controllers Installation Instructions

Installation

Dimensions

Figure 1: LN-PRG4x0-2, LN-PRG5x0-2, LN-IO401-1, and LN-IO520-1 Dimensions, mm (in.)

Fig:ln_prg4x0_prg5x0_io401_501_dim

Figure 2: LN-PRG203-2, LN-PRG300-2, LN-IO301-1, and Application Specific Controller

Dimensions, mm (in.)

Fig:ln_prg203_300_io301_app_specific_contr_dim

LN Application Specific, Remote I/O, and Free Programmable Controllers Installation Instructions

Mounting

You can mount each controller on a DIN rail, on a wall, or in a panel. The controllers are equipped with two

mounting holes 0.25 x 0.165 in. (6.36 x 4.191 mm).

Location Considerations

Observe these guidelines when mounting an LN Application Specific or Remote I/O Module:

• Provide for sufficient space around the device for cable and wire connections, access to service pin, hardware

configuration, maintenance, easy cover removal, and good ventilation.

• Ensure proper ventilation of each device and avoid areas where corroding, deteriorating, or explosive vapors,

fumes, or gases may be present.

• Orient each controller with the ventilation slots and power supply/output terminal block connector towards the

top to permit proper heat dissipation.

• Do not mount the controller on surfaces prone to vibration, such as duct work, or in areas where

electromagnetic emissions from other devices or wiring can interfere with communication.

DIN Rail

To mount the controller on a DIN rail:

1. Ensure the DIN rail is properly mounted on the wall.

2. Clip the controller onto the DIN rail.

Wall Mount

To mount the device on a wall:

1. Press on the side clips to separate the device’s front and back plates.

2. Use the holes on the back plate to mark the wall location.

3. Drill the holes.

4. Clean the surface and mount the unit using the appropriate screws.

LN Application Specific, Remote I/O, and Free Programmable Controllers Installation Instructions

Wiring

Follow these wiring recommendations:

• Remove the front plate from the back plate to facilitate in the wiring process. Use a small flat screwdriver to

tighten the terminal connector screws once you have inserted the wires.

• Keep power cables apart from other types of wiring to avoid ambient noise transmission to other wires (for

example, for power, 3-wire voltage, and current inputs and outputs).

• Use wires or flat cables ranging from 22 to 12AWG (0.645 to 2.052 mm diameter) per pole. Power cables must

remain between 18 to 14AWG (1.024 to 1.628 mm) diameter.

• Keep all wires away from high-speed data transmission cables (for example, Ethernet cable).

• Keep input and output wires in conduits, trays, or close to the building frame whenever possible.

Power Wiring

For more information and requirements for powering a device that uses a LONWORKS network for communications,

refer to the LONWORKS LN-Series Network Communication and Interface Guide Technical Bulletin (LIT-12011253).

We recommend wiring only one device per 24 VAC transformer. When only one transformer is available, determine

the maximum number of devices that can be supplied using the following method for calculating the required power

transformer capacity:

1. Add up the maximum power consumption of all controllers and multiply this sum by 1.3.

2. If the resulting number is higher than 100 VA, consider using multiple transformers.

Use an external fuse on the 24 VAC/DC side (secondary side) of the transformer to protect all units against power

link spikes (Figure 3).

Maintain consistent polarity when you connect the controllers (or modules) and devices to the transformer.

Risk of Electric Shock.

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

Risque de décharge électrique.

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

électrique.

IMPORTANT: All wiring must comply with electrical diagrams as well as national and local electrical codes.

IMPORTANT: Voltage: 24 VAC/DC; +15%, Class 2. This is a Class 2 Product. Use a Class 2 transformer only

(rated at 100 VA or less at 24 VAC) to power the device.

IMPORTANT: Failure to maintain consistent polarity throughout the entire network will result in a short circuit

and damage to the controller.

IMPORTANT: The COM terminals of the controller are internally wired to the 24 V COM terminal of the power

supply. Connecting a peripheral or another controller to the same transformer without maintaining polarity

between these devices will cause a short circuit.

LN Application Specific, Remote I/O, and Free Programmable Controllers Installation Instructions

Use an external fuse on the 24 VAC/DC side (secondary side) of the transformer to protect all controllers against

power link spikes.

Input Wiring

The devices have physical connections for inputs (marked Ulx), which are software configurable from within the

device’s LNS® plug-in or wizard. Therefore, hardware configuration is not required.

Each input can be configured for digital, resistive, current, or voltage signals. You must configure the input types

properly in the software plug-in or wizard to ensure proper input readings.

Note: For a wire of less than 75 feet (23 m), use either a shielded or unshielded 19AWG wire.

Note: For a wire from 75 feet (23 m) to 200 feet (61 m), we recommend a shielded 18 AWG wire.

Note: The wire should be shielded on the controller or module side, and the shield length should be kept as short

as possible.

Wiring Digital Inputs

Use the input configuration in Figure 5 to monitor digital dry contacts.

IMPORTANT: Before connecting any sensor to the device, refer to the installation guide of the equipment

manufacturer.

Figure 3: Power Wiring – AC

Figure 4: Power Wiring – DC

Figure 5: Digital Input – Digital Dry Contact

(N.O. and N.C.)

LN Application Specific, Remote I/O, and Free Programmable Controllers Installation Instructions

Wiring Resistive Inputs

Use this input configuration to monitor 100k ohm RTDs, 10k ohm Type 2 and Type 3 thermistors, and

potentiometers (Figure 6 and Figure 7).

Note: The Application Specific Controllers do not support 100 or 1,000 ohm inputs.

Note: When using a 100 ohm input, the wire length should be kept short to avoid a possible temperature offset; for

example, an 18AWG wire, 25 feet long (7.6 m) can create an offset of 2°F (1.1°C).

Figure 6: Resistive Input – RTD/Thermistor

Figure 7: Resistive Input – 10k Ohm

LN Application Specific, Remote I/O, and Free Programmable Controllers Installation Instructions

Wiring Current Inputs

Current inputs have a range of 4 to 20 mA. Connect the current input according to Figure 8 if you are using a

2-wire, 4-20 mA transducer.

Connect the current input according to Figure 9 if you are using a 3-wire, 4-20 mAtransducer.

Connect the current input according to Figure 10 if you are using a transducer powered by its own power.

Wiring Voltage Inputs

Voltage inputs have a range of 0 to 10 VDC. Connect the voltage input according to Figure 11 if you are using a 3-

wire 0 to 10 V transducer.

Output Wiring

Each controller has physical connections for triac outputs and/or universal outputs, depending on the type and

model. The outputs are all software configurable. Table 1 shows the controller outputs.

Table 1: Controller Outputs (Part 1 of 2)

Controller Triac Outputs Universal Outputs Jumper 0-10 VDC/4-20 mA

LN-FCUL-1 52

LN-HPUL-1 52

LN-RTUL-1 52

LN-ULVL-1 52

Figure 8: Current Input – 2-Wire Transducer

Figure 9: Current Input – 3-wire Transducer

Figure 10: Current Input – Transducer With

Its Own Power Source

Figure 11: Voltage Input

LN Application Specific, Remote I/O, and Free Programmable Controllers Installation Instructions

Note: For wire length less than 75 feet (23 m), use either a shielded or unshielded 19 AWG wire.

Note: For a wire up to 200 feet (61 m), we recommend a shielded 18 AWG wire.

Note: The wire should be shielded on the controller/module side, and the shield length should be kept as short as

possible.

Wiring Triac Outputs

Digital outputs are all made of triacs and voltage is no present on the output terminals; therefore, you need to add

an external power source, if necessary.

Note: You must add an external power source, typically 24 VAC.

If a 24 VAC relay is being controlled, connect the digital output according to Figure 12.

If a floating actuator is being controlled, connect the digital output according to Figure 13.

Wiring Universal Outputs (UOx)

Universal outputs can be configured to provide either a linear signal ranging from 0 to 12 VDC or a linear signal of

0 to 10 VDC. The discrete signal can be used to generate a PWM or a simple two-state signal. These outputs are

protected by an auto-reset fuse.

When controlling a relay with a universal output, a diode must be connected in parallel to protect the controller from

back-emf current that occurs when the relay is turned off.

LN-PRG203-2 53

LN-PRG300-2 8

LN-PRG400-2 12 X

LN-PRG410-2 12 X

LN-IO301-1 8

LN-IO401-1 12

LN-IO520-1

IMPORTANT: Before connecting any sensor to the device, refer to the installation guide of the equipment

manufacturer.

IMPORTANT: To measure the state of a digital output (triac), an external load must be connected.

Table 1: Controller Outputs (Part 2 of 2)

Controller Triac Outputs Universal Outputs Jumper 0-10 VDC/4-20 mA

Figure 12: Digital Triac Output – Relay

Figure 13: Digital Triac Output – Floating

LN Application Specific, Remote I/O, and Free Programmable Controllers Installation Instructions

Wiring Discrete Outputs

If a 12 VDC relay is being controlled, connect it to a universal output according to Figure 14.

Wiring Voltage Inputs

Connect the 0 to 10 VDC output according to Figure 15.

If an analog actuator is being controlled, connect the 0 to 10 VDC output, along with an external 24 VAC power

source, to the analog actuator according to Figure 16.

Two network terminators are required for the bus topology network configuration. Place one network terminator at

each end of the bus topology channel.

One network terminator is required for the free topology network configuration. You can put the network terminator

anywhere on the channel.

Communications Wiring

The recommended cable type for LONWORKS® communications is 22AWG (0.65 mm), twisted pair, UNSHIELDED

wire. The LONWORKS communication wire is polarity insensitive and can be laid out in a bus, star, or free topology.

For loop topology, take special care to maintain the polarity when connecting the LONWORKS network to avoid a

short circuit.

Note: We recommend you use the bus topology network configuration for all LONWORKS communication wiring.

This configuration allows you to troubleshoot the network easily.

Figure 14: Discrete 0 to 12 VDC

Figure 15: Voltage 0 to 10 VDC

Universal Output

Figure 16: Voltage 0 to 10 VDC

Universal Output – Analog Actuator

LN Application Specific, Remote I/O, and Free Programmable Controllers Installation Instructions

Connect both wires to the LON terminals (LON1 and LON2) of the controller (Figure 17). When you insert multiple

wires into the terminals, ensure you properly twist the wires together before you insert them into the terminal

connectors.

For more information and detailed explanations on network topology and wire length restrictions, refer to the

LONWORKS LN-Series Network Communication and Interface Guide Technical Bulletin (LIT-12011253) or Echelon

Corporation’s Junction Box and Wiring Guideline for Twisted Pair LONWORKS® Networks.

LN Sensor Wiring

The controllers in this document are compatible with the LN Sensor line of standard room sensors. Refer to the LN

Series Sensor Installation Instructions (LIT-1201871) for wiring details.

Memory Erase Jumper

Each Application Specific Controller and Remote I/O Module features a memory erase jumper. Use the memory

erase jumper to erase the Neuron chip's memory. If an incorrect APB or NXE file is loaded into the device, the

Neuron chip's memory is corrupted and you cannot communicate with the device. Use the memory erase jumper to

correct this problem by resetting the Neuron chip's memory; the chip is then in an application-less state.

The memory erase jumper is labeled J2 on the Application Specific Controllers (Figure 19), J4 on the LN-IO301-1

Remote I/O Module (Figure 20), and J20 on the LN-IO401-1 and LN-IO520-1 Remote I/O Modules (Figure 18).

To erase the Neuron chip's memory using the memory erase jumper, do the following:

1. Disconnect the power to the device.

2. Place a jumper on the proper pins on the controller or module.

3. Reconnect the power to the device.

Note: The orange colored service LED blinks rapidly indicating that it is erasing the Neuron chip’s memory. When

the service LED stops blinking and remains solid, the erase procedure is complete.

Note: The erase procedure normally takes between 2 and 10 seconds to complete.

4. Disconnect the power to the device and remove the jumper.

5. Reconnect the power. The service LED blinks twice and becomes solid indicating the controller or module is

application-less.

6. Download the correct APB file.

IMPORTANT: Use the proper network terminators for the network topology. Failure to use the correct network

terminators may result in communication errors between units. Do not use multiple gauges of cable on the same

communication bus.

Figure 17: Communications Wiring

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