Penn System 450 Series User manual
1
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System 450™ Series Expansion Modules with Analog Outputs
Installation Instructions
Application
The System 450™ Series is a family of modular, digital electronic controls that is easily assembled and set up to
provide reliable temperature, pressure, and humidity control for a wide variety of Heating, Air Conditioning,
Ventilating, and Refrigeration (HVACR) and commercial/industrial process applications. C450SxN-1 models are
expansion modules with analog outputs: C450SPN-1 model provides one self-selecting (0 to 10 VDC or 4 to 20
mA) analog output, and the C450SQN-1 model provides two self-selecting analog outputs.
Installation
Location Considerations
Observe the following System 450 location guidelines:
• Ensure that the mounting surface can support the module assembly, mounting hardware, and any (user-
supplied) panel or enclosure.
• Mount the modules upright and plugged together in a horizontal row where possible. DIN rail mounting is highly
recommended.
• Mount the modules on hard, even surfaces.
• Allow sufficient space for wires and connections.
• Mount the modules in locations free of corrosive vapors and observe the ambient operating conditions listed in
the Technical Specifications on page 5.
• Do not mount the modules on surfaces that are prone to vibration or in locations where radio frequency or
electromagnetic emissions may cause interference.
• Do not install the modules in airtight enclosures.
• Do not install heat-generating devices in an enclosure with the modules that may cause the temperature to
exceed the ambient operating limit.
IMPORTANT: Use this System 450 Series Expansion Module with Analog Output only as an operating control.
Where failure or malfunction of the System 450 expansion module could lead to personal injury or property
damage to the controlled equipment or other property, additional precautions must be designed into the control
system. Incorporate and maintain other devices, such as supervisory or alarm systems or safety or limit controls,
intended to warn of or protect against failure or malfunction of the System 450 expansion module.
IMPORTANT: Utiliser ce System 450 Series Expansion Module with Analog Output uniquement en tant que
dispositif de régulation. Lorsqu'une défaillance ou un dysfonctionnement du System 450 expansion module
risque de provoquer des blessures ou d'endommager l'équipement contrôlé ou un autre équipement, la
conception du système de contrôle doit intégrer des dispositifs de protection supplémentaires. Veiller dans ce
cas à intégrer de façon permanente d'autres dispositifs, tels que des systèmes de supervision ou d'alarme, ou
des dispositifs de sécurité ou de limitation, ayant une fonction d'avertissement ou de protection en cas de
défaillance ou de dysfonctionnement du System 450 expansion module.
System 450™ Series Expansion Modules with Analog
Outputs
Installation Instructions
C450SPN-1
C450SQN-1
Part No. 24-7664-2799, Rev. F
Issued November 2018
System 450™ Series Expansion Modules with Analog Outputs Installation Instructions
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Dimensions
Mounting
Mount System 450 modules on 35 mm DIN rail (recommended) or directly to a hard, even surface.
To direct-mount modules to wall surfaces:
1. Plug the modules together, remove the module covers, place the assembly against wall surface horizontally in
a suitable location, and mark the mount hole locations on the surface (Figure 1).
2. Install appropriate screw fasteners, leaving screw heads approximately one to two turns away from flush to the
surface.
3. Place the assembly over screw heads on the mounting slots, and carefully tighten the mounting screws.
Notes:
• If you mount the modules on an uneven surface, do not damage the housings when tightening mounting
screws. Use shims or washers to mount the module assembly evenly on the surface.
• Refer to the control sensor installation instructions for information on locating and mounting control
sensors.
To mount modules on a DIN rail:
1. Provide a section of 35 mm DIN rail that is longer than the module assembly width, and mount the DIN rail
horizontally in a suitable location using appropriate mounting hardware or fasteners.
2. Clip the control module on the rail, position the upper DIN rail clips on the top rail, and gently snap the lower
clips onto the rail.
3. Clip the remaining power and expansion modules to the right of the control module to the DIN rail, and plug the
6-pin module connectors together.
4. Provide two DIN rail end clamps, and clip the DIN rail end clamps to the left and right of the module assembly.
Note: If your System 450 control system uses a power module, the power module must be plugged into the
right-hand side of the control module.
Figure 1: System 450 Module, Dimensions, mm (in.)
System 450™ Series Expansion Modules with Analog Outputs Installation Instructions
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Wiring
See Figure 2 and Table 1 for electrical termination locations and wiring information. See Technical Specifications
on page 5 for electrical ratings.
Risk of Electric Shock.
Disconnect or isolate all power supplies before making electrical connections. More than one disconnection or
isolation may be required to completely de-energize equipment. Contact with components carrying hazardous
voltage can cause electric shock and may result in severe personal injury or death.
Risque de décharge électrique.
Débrancher ou isoler toute alimentation avant de réaliser un branchement électrique. Plusieurs isolations et
débranchements sont peut-être nécessaires pour -couper entièrement l'alimentation de l'équipement. Tout contact
avec des composants conducteurs de tensions dangereuses risque d'entraîner une décharge électrique et de
provoquer des blessures graves, voire mortelles.
IMPORTANT: Use copper conductors only. Make all wiring connections in accordance with local, national, and
regional regulations.
IMPORTANT: Do not exceed the System 450 module electrical ratings. Exceeding module electrical ratings
can result in permanent damage to the modules and void any warranty.
IMPORTANT: Run all low-voltage wiring and cables separate from all high-voltage wiring. Shielded cable is
strongly recommended for input (sensor) and analog output cables that are exposed to high electromagnetic or
radio frequency noise.
IMPORTANT: Electrostatic discharge can damage System 450 modules. Use proper Electrostatic Discharge
(ESD) precautions during installation and servicing to avoid damaging System 450 modules.
IMPORTANT: Do not apply power to a C450Y Power Module or the 24 VAC/VDC power source for the System
450 modules before finishing wiring and checking all wiring connections. Short circuits or improperly connected
wires can result in damage to the modules and void any warranty.
IMPORTANT: A System 450 control module and module assembly can be connected to an internal power
source (a System 450 power module) or an external power source (24 VAC/VDC power connected to the 24 V
and COM terminals on the control module), but must not be connected to both power sources simultaneously.
Connecting a control module to both internal and external power sources can damage the modules and void any
warranty.
IMPORTANT: When connecting System 450 compatible sensors with shielded cable to a System 450 control
module, connect the cable shield drain lead to one of the C (common) terminals on the input sensor terminal
block. Do not connect the shield at any other point along the cable. Isolate and insulate the shield drain at the
sensor end of the cable. Connecting a cable shield at more than one point can enable transient currents to flow
through the sensor cable shield, which can cause erratic control operation.
System 450™ Series Expansion Modules with Analog Outputs Installation Instructions
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Table 1: System 450 Terminal Wiring Information
Label Terminal Function Wire Sizes
AO1,
AO2
Provides a self-detecting analog output signal in conjunction with
the COM terminal; either 0 to 10 VDC or 4 to 20 mA. 0.08 mm2to 1.5 mm2
(28 AWG to 16 AWG)
COM Provides a self-detecting analog output signal in conjunction with
the AO1 or AO2 terminal; either 0 to 10 VDC or 4 to 20 mA.
FIG:sys450_anlg_expnsn_wir
System 450
Expansion Module
with Analog Outputs
(C450SQN-1)
AO2
COM
AO1
AO2
COM
AO1
Analog
Controlled
Device
Analog
Controlled
Device
+
__
+
Low-Voltage
Analog Output Terminals
Note:
C450SPN-1 Analog Expansion Modules have
one analog output.
Figure 2: C450SQN-1 Wiring Terminals
System 450™ Series Expansion Modules with Analog Outputs Installation Instructions
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Technical Specifications
C450SxN-1
Product C450SPN-1: System 450 Expansion Module with One Analog Output
C450SQN-1: System 450 Expansion Module with Two Analog Outputs
Supply Power C450-YNN-1 Power Supply Module or
24 (20-30) VAC Safety Extra-Low Voltage (SELV) (Europe), Class 2 (North America)
50/60 Hz, 10 VA minimum
Ambient Operating Conditions Temperature: -40 to 66C (-40 to 150F) when using 0-10 VDC outputs;
-40 to 40C (-40 to 104F) when using 4-20 mA outputs
Humidity: Up to 95% RH non-condensing; maximum dew point 29C (85F)
Ambient Shipping and Storage
Conditions
Temperature: -40 to 80C (-40 to 176F)
Humidity: Up to 95% RH non-condensing; maximum dew point 29C (85F)
Analog 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.
Current Mode (4–20 mA)
Requires an external load between 0 to 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.
Enclosure Type 1 (NEMA), IP20 High-Impact Thermoplastic, suitable for DIN rail mounting or direct
mounting to a hard, even surface.
Dimensions (H x W x D) 127 x 61 x 61 mm (5 x 2-3/8 x 2-3/8 in.)
Weight C450SPN-1: 150 g (0.33 lb)
C450SQN-1: 150 g (0.33 lb)
Compliance United States: cULus Listed; UL 60730-1, File E27734; FCC Compliant to CFR47, Part
15, Subpart B, Class B
Canada: cULus Listed; CAN/CSA-E60730-1, File E27734; Industry Canada (IC)
Compliant to Canadian ICES-003, Class B limits
Europe: CE Mark – Johnson Controls declares that this product is in compliance with
the essential requirements and other relevant provisions of the EMC Directive.
Australia and New Zealand: RCM Mark, Australia/NZ Emissions Compliant
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult Johnson Controls Application Engineering at (414) 524–5535. Johnson Controls shall not be liable for damages resulting
from misapplication or misuse of its products.
System 450™ Series Expansion Modules with Analog Outputs Installation Instructions
® Johnson Controls and PENN are registered trademarks of Johnson Controls in the
United States of America and/or other countries. All other trademarks used herein are the property
of their respective owners. © Copyright 2018 by Johnson Controls. All rights reserved.
www.penncontrols.com
European Single Point of Contact: NA/SA Single Point of Contact: APAC Single Point of Contact:
JOHNSON CONTROLS
WESTENDHOF 3
45143 ESSEN
GERMANY
JOHNSON CONTROLS
507 E MICHIGAN ST
MILWAUKEE WI 53202
USA
JOHNSON CONTROLS
C/O CONTROLS PRODUCT MANAGEMENT
NO. 22 BLOCK D NEW DISTRICT
WUXI JIANGSU PROVINCE 214142
CHINA
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North American Emissions Compliance
United States
Canada
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in
a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
This Class (B) digital apparatus meets all the requirements of the Canadian Interference-Causing Equipment
Regulations.
Cet appareil numérique de la Classe (B) respecte toutes les exigences du Règlement sur le matériel brouilleur
du Canada.
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