Johnson Controls LN Series User manual

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions 1
Applications
The LN Series Free Programmable LN-PRGxxx-12
Controllers are microprocessor-based and designed to
control various building automation systems, such as
multi-zone air handing units, lighting control, central
plant applications, and power measurement
applications.
The LN Free Programmable Controllers are built on a
similar platform, but have different numbers of inputs
and outputs. The LN PRG6x0-12 controllers are
compatible with the LN Input/Output (I/O) Extension
Module 400 Series models. For more information on
LN I/O Extension Modules, refer to LN Series Input/
Output(I/O)ExtensionModulesInstallationInstructions
(LIT-12011693).
The LN Free Programmable Controllers use the
LONWORKS® communication protocol.
Follow these recommendations for proper installation
and subsequent operation of each controller:
• Inspect the controller for shipping damages. Do not
install damaged controllers.
• Keep the controller at room temperature for at least
24 hours prior to installation to allow any
condensation that may have accumulated during
shipping to evaporate.
• If the controller is used in a manner not specified
by Johnson Controls, the functionality and the
protection provided by the controller may become
impaired.
• Record the 12-digit Neuron® ID located on either
end of the device (shown on the sticker below the
barcode) for commissioning.
Note: The controller’s plastic enclosure has a
back plate that is separate from the front plate
allowing the back plates to be shipped directly to
the installation site while all the engineering is done
elsewhere.
North American Emissions Compliance
Canada
United States
Installation
Observe these guidelines when installing an LN Free
Programmable 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.
IMPORTANT: Prevent any static electric discharge
to the controller. Static discharge can damage the
controller and void the warranties.
Industry Canada Statement
The term IC before the certification/registration
number only signifies that the Industry Canada
technical specifications were met.
Le terme « IC » précédant le numéro d'accréditation/
inscription signifie simplement que le produit est
conforme aux spécifications techniques d'Industry
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.
LN Series Free Programmable LN-PRGxxx-12 Controllers
Installation Instructions
LN-PRG203-12, LN-PRG300-12,
LN-PRG4x0-12, LN-PRG6x0-12 Code No. LIT-12011796
Issued April 24, 2014
Supersedes January 30, 3013

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions2
Dimensions
Figure 1: LN-PRG203-12 and LN-PRG300-12 Controller Dimensions, mm (in.)
Figure 2: LN-PRG4x0-12 and LN-PRG6x0-12 Controller Dimensions, mm (in.)

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions 3
Mounting
Location Considerations
Observe these guidelines when mounting an LN Free
Programmable Controller:
• Allow for proper clearance around the controller’s
enclosure, wiring terminals, and service pin to
provide easy access for hardware configuration
and maintenance.
• Ensure proper ventilation of each controller 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 controller communication.
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. (6.35 x 4.191 mm).
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 controller on a wall:
1. Press on the side clips to separate the controller’s
front and back plates.
2. Use the holes on the back plate to mark the wall
location.
3. Drill the holes.
Clean the surface and mount the controller using the
appropriate screws.
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 the wires are inserted.
• 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 14 AWG
(0.644 to 1.630 mm diameter) per pole. Power
cables must remain between 18 to 14 AWG
(1.024 to 1.630 mm) diameter.
• Do not connect the universal inputs, analog/digital
outputs or common terminals to earth or chassis
ground unless otherwise stated.
• 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.
!
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.

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions4
Power Wiring
We recommend wiring only one controller per 24 VAC
transformer. When only one transformer is available,
determine the maximum number of controllers 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, including external loads, and multiply
this sum by 1.3.
2. If the resulting number is higher than 100 VA, use
multiple transformers.
Use an external fuse on the 24 VAC/DC side
(secondary side) of the transformer to protect all
controllers against power link spikes (Figure 3 and
Figure 4).
Note: Connecting the power source to an electrical
system ground is not a requirement for proper system
operation. However, it is a good installation practice in
order to maintain the same potential between all
controllers and Protective Earth.
Configuration Jumper Location and
Identification
Controllers have the following onsite configurable
jumpers.
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
controller.
IMPORTANT: Maintain consistent polarity when
you connect the controllers and devices to the
transformer.
Figure 3: Power Wiring - DC
Figure 4: Power Wiring - AC
IMPORTANT: Connect the COM terminal of each
controller and each peripheral to the same terminal
on the secondary side of the transformer. One
terminal on the secondary side of the transformer
must be connected to the building’s ground. 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.
Figure 5: LN-PRG203-12 Controller Jumper
Locations
* Factory-
default position
Subnet
Port
Wireless
Port
Net to Subnet Settings
Enabled Disabled*

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions 5
Figure 6: LN-PRG300-12 Controller Jumper
Locations
* Factory-default positions
Universal Outputs (UO)
0-10V / 0-20mA Select
0-10V* 0-20mA
Subnet
Port
Wireless
Port
Universal Inputs (UI)
0-20mA Enable / Disable
0-20mA
Disable* 0-20mA Enable
L ON W ORKS Network Board
Net to Subnet Settings
Enabled Disabled*
Figure 7: LN-PRG4x0-12 and 6x0-12
Controller Jumper Location
* Factory-default positions
L ON W ORKS Network Board
Universal Outputs (UO)
0-10V / 0-20mA Select
0-10V* 0-20mA
Universal Inputs (UI)
0-20mA Enable / Disable
0-20mA
Disable* 0-20mA Enable
PRG6x0-12 ONLY:
Subnetwork EOL
Termination
Subnet
Port
EOL Off
(Disabled)* EOL On (Enabled)
EOLOff
(Disabled)* EOL On (Enabled)
OR
Wireless
Port
Typical locations: Quantity may vary according to controller model
Net to Subnet Settings
Enabled Disabled*

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions6
Figure 8: Typical Power and Network Connections with an LN-SVSENx-0 Input
typ_power_connection
Service PIN Button
CoolHeat
Return Air Temperature
10k?typeII
Supply Air Temperature
10k?typeII
Mixed Air Temperature
10k?typeII
Supply Air Humidity
2-wire, 4-20mA
Supply Fan State
Digital contact
Return Fan State
Digital contact
Damper
Return Air Humidity
2-wire, 4-20mA
CT CT
0-10
VDC
~
+-
0-10
VDC
~
+-
Humidifier
A
2
A
1
A
2
A
1
To
Supply
Fan
Starter
To
Return
Fan
Starter
0-10
VDC
~
+-
0-10
VDC
~
+-
Transformer
24VAC
4A Fuse
Fast Acting
Electrical
System
Ground
LN SVSENx
EOL Enabled at
the last sensor
at the end of
the Bus
ON
EOL
OFF
From Previous Device
To Next Device
L
ON
W
ORKS
Network
*
*
249
ohm
Resistor built
-
in for inputs configured as
4-20mA
L
ON
W
ORKS
®
Back of
LN SVSENx

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions 7
Input Wiring
The controllers have physical connections for inputs,
which are software configurable from within the
device’s Graphical Programming Interface (GPI) LN
plug-in, the LN plug-in when using LN Builder, or the
LN wizard when using the BSC Workbench. 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 wire length less than 75 feet (23 m), use
either a shielded or unshielded 18 AWG wire.
Note: For a wire up to 200 feet (61 m) long, a shielded
18 AWG wire is recommended.
Note: The wire should be shielded on the controller
side and the shield length should be kept as short as
possible.
Wiring Digital Inputs
Use this input configuration to monitor digital dry
contacts, as well as pulsed contacts.
Wiring Resistive Inputs
Use this input configuration to monitor Resistance
Temperature Detectors (RTD); thermistors, such as
1,000 ohm RTDs to 10k ohm Type II and Type III
thermistors; and potentiometers, such as 10k ohm and
100k ohm.
Wiring Current Inputs
Current inputs have a range of 0 to 20 mA. Depending
on the transducer power requirements, you may use
any of the following input configurations. Use Figure 12
for the 2-wire, 0 to 20 mA transducer powered by the
controller’s internal 15 VDC power supply.
Use the Figure 13 configuration for a 2-wire, 0 to 20
mA transducer powered by an external 24 AC/DC
power supply.
Table 1: Controller Input Support
Controller Fast and Slow
Pulse Inputs
support
Current
Input
Jumper
support:0to
10 VDC/0 to
20 mA
50 Hz: 10
ms
minimum
ON/OFF
(Fast
Pulse)
1 Hz: 500
ms
minimum
ON/OFF
(Slow
Pulse)
LN-PRG203-12 none Ul1 to Ul6 none
LN-PRG300-12 Ul1 to Ul4 Ul5 to Ul10 yes; see
Figure 16 and
the section
Configuration
Jumper
Location and
Identification
LN-PRG4x0-12 Ul1 to Ul4 Ul5 to Ul12
LN-PRG6x0-12 Ul1 to Ul4 Ul5 to Ul16
IMPORTANT: Before connecting any input
equipment to the controller, refer to the
manufacturer’s installation guide.
Figure 9: Digital Input – Digital Dry Contact
(N.O. and N.C.)
Figure 10: Resistive Input – RTD/Thermistor
Input
Figure 11: Resistive Input – 10k ohm
Potentiometer Input
Figure 12: Current Input – 2-Wire Transducer
Powered by the Controller
Figure 13: Current Input – 2-Wire
Transducer, Externally Powered

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions8
Use the Figure 14 configuration for a 3-wire, 0 to 20
mA transducer powered by an external 24 AC/DC
power supply.
Use the Figure 15 configuration for a transducer
powered by its own power source.
For the LN-PRG300-12, LN-PRG4x0-12, and
LN-PRG6x0-12 controllers, it is not necessary to
connect a 249 ohm resistor at the input as this resistor
is built-in to the controller. For these models, configure
the input jumper as follows. For jumper location, see
Configuration Jumper Location and Identification.
Wiring Voltage Inputs
Voltage inputs have a range of 0 to 10 VDC or
0 to 5 VDC. Connect the voltage input according to
Figure 17 if you are using a 3-wire 0 to 10 V or 0 to 5 V
transducer.
Connect the voltage input according to Figure 18 if the
transducer is powered by its own power source.
Wiring Pulse Inputs
The input must be wired according to the requirements
of the connected pulse meter (for example, fast pulse
or slow pulse and internal or external supply type). See
Table 1.
Configure the Pulse Input Types in the software to
verify the pulse meter is powered correctly (set the
Internal/External Supply Type).
Connect the pulse input according to Figure 19 for a
pulse meter that can pull down a +5 VDC supply with a
10k ohm pull-up resistor (internal supply type).
When you use a pulse meter that requires more than
5 VDC to operate, you must use a Fast Pulse Input
type (Table 1). An external power supply is required to
operate the pulse meter. You may use the controller’s
built-in power supply as shown in Figure 20 or use an
external power source (from 6 VDC to 27 VDC
maximum — see Figure 21).
Figure 14: Current Input – 3-Wire Transducer,
Externally Powered
Figure 15: Current Input – Transducer with Its
Own Power Source
Figure 16: Equivalent Circuit for 0 to 20 mA
Current Input Showing the Jumper Setting for
the LN-PRG300-12, LN-PRG4x0-12, and
LN-PRG6x0-12 Controllers
Figure 17: Voltage Input – 3-Wire Transducer
Figure 18: Voltage Input – Transducer with Its
Own Power Source
Figure 19: All Pulse Input Types – Internal
Supply, 2-wire Pulse Meter
Figure 20: Fast Pulse Input Type - External
Supply, 2-wire Pulse Meter for LN-PRG300, LN-
PRG4x0-12, and LN-PRG6x0-12 Controllers

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions 9
LN Series Communicating Sensors Wiring
The LN Communicating Sensors (LN-SVSEN-0 and
LN-SVSENH-0) are communicating room temperature
sensors with backlit displays and graphical menus.
Connect the LN-SVSENx-0 Sensor to the SUBNET
PORT modular connector of the controller with a
standard Category 5e Ethernet patch cable fitted with
RJ-45 connectors.
If you make your own patch cable, use category 5e
crimped with RJ-45 connectors either T568A or T568B.
Patch cable fitted with connectors supplied by Johnson
Controls are wired as T568B.
For more information on network topology and length,
cable type, setting the Subnet ID and more, refer to the
LN Series Communicating Sensors Installation
Instructions (LIT-12011795) and the LONWORKS
LN-Series Network Communication and Interface
Guide Technical Bulletin (LIT-12011253).
Output Wiring
Each controller has physical connections for digital
(triac) or universal outputs, depending on type and
model. These outputs are all software configurable.
Table 3 shows the controller outputs.
For jumper location, see Configuration Jumper
Location and Identification.
Note: Before you connect output equipment to the
controller, refer to the installation instructions from the
equipment manufacturer.
IMPORTANT: Do not crimp one connector as
T568A and the other connector as T568B on the
same cable.
Figure 21: Fast Pulse Input Type – External
Supply, 2-wire Pulse Meter
Figure 22: T568A and T568B Crimp Wire
Sequence for an RJ-45 Connector
T568A T568B
Stripe Solid
12 345678 12345678
Pair 3 Pair1Pair2Pair4 Pair 2 Pair1Pair3Pair4
Key:
Figure 23: Pins on RJ-45 Jack Face
Table 2: T568A and T568B Terminations for RJ-45
Connector
Pin T568A (at both
cable ends) T568A (at both cable ends)
Pair Color Pair Color
1 3 white/green
stripe 2 white/orange stripe
23 green solid 2 orange solid
32 white/orange
stripe 3 white/green stripe
41 blue solid 1 blue solid
51 white/blue stripe 1 white/blue stripe
62 orange solid 3 green solid
74 white/brown
stripe 4white/brown stripe
84 brown solid 4 brown solid
Table 3: Controller Output Support
Controller Digital
(Triac)
Outputs
Universal
Outputs Jumper 0 to 10
VDC/0 to
20 mA
LN-PRG203-12 53no
LN-PRG300-12 0 8 yes
LN-PRG4x0-12 012yes
LN-PRG6x0-12 012yes

LN Series Free Programmable LN-PRGxxx-12 Controllers Installation Instructions10
Output Wiring Recommendations
Output wiring recommendations include:
• For a wire length less than 75 feet (23 m) long, use
either a shielded or unshielded 18 AWG wire.
• For a wire length up to 200 feet (61 m) long, use a
shielded 18 AWG wire.
• The shield of the wire should be grounded on the
controller side and the shield length should be kept
as short as possible.
Wiring Digital Outputs (DOx)
Digital outputs are all made of triacs and there is not
voltage present on the output terminals. Therefore, you
must add an external power source, typically 24 VAC.
Note: To measure the state of a triac output, an
external load must be connected.
If a 24 VAC relay is being controlled, connect it to a
digital output according to Figure 24 or Figure 25,
ensuring that the transformer’s secondary wiring is
grounded as shown.
If a floating actuator is being controlled, connect the
digital output according to Figure 26.
Wiring Universal Outputs (UOx)
You can configure universal outputs to provide either a
discrete signal of 0 or 12 VDC, a linear signal ranging
from 0 to 10 VDC, or a 0 to 20 mA signal
(LN-PRG300-12, LN-PRG4x0-12 and LN-PRG6x0-12
only). The discrete signal can be used to generate a
pulse wave modulation (PWM) signal or a simple
two-state signal. These outputs are protected by an
auto-reset fuse.
Wiring Discrete Outputs
If a 12 VDC relay is being controlled, connect it to a
universal output according to Figure 27.
Wiring Current Outputs
The 0 to 20 mA signal is configurable by jumper
(available for LN-PRG300-12, LN-PRG4x0-12, and
LN-PRG6x0-12 only; for jumper location, see
Configuration Jumper Location and Identification).
Figure 24: Digital Triac Output — Relay Using
the Same Power Source as Controller
DOx
Cx 24VAC Relay
A2
A1
Transformer
24VAC
24VCOM AC
Electrical
System Ground
Fuse: 4A Max.
Fast Acting
Controller
24VAC
Load
DOx
Cx 24VAC Relay
A2
A1
Transformer
24VAC
24VCOM AC
Electrical
System Ground
Fuse: 4AMax.
Fast Acting
Controller
24VAC
Load
Line Switching Neutral Switching
Figure 25: Digital Triac Output, Line
Switching – Relay Using an External Power
Source
DOx
Cx
24VAC Relay
A2
A1
Transformer
AC
Electrical
System Ground
Fuse: 4A Max.
Fast Acting
24VAC
Load DOx
Cx
24VAC Relay
A2
A1
Transformer
AC
Electrical System
Ground
Fuse: 4A Max.
Fast Acting
24VAC
Load
Line Switching Neutral Switching
Figure 26: Digital Triac Output –
Floating Actuator
Actuator
~
~
24VAC
DOy
Cx
DOx
Cy
Figure 27: Discrete 0 or 12 VDC Universal
Output – Relay
Figure 28: 0 to 20 mA Universal Output and
Jumper Configuration