System 450™ Series Control Modules with Analog Outputs Installation Instructions
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Technical Specifications
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.
C450CxN Series Control Modules with Analog Outputs
Product C450CxN: System 450 Control Module models are sensing controls and operating
controls with LCD, four-button touchpad, and analog output.
C450CPN-4: Control Module with One Analog Output
C450CQN-4: Control Module with Two Analog Outputs
Supply Power C450YNN-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, or
20–30 VDC, 2 Watts minimum for control, then 1 Watt additional for each output
attached.
Note: A System 450 Control Module must only be connected to one power source.
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)
Input Signal 0–5 VDC; 1,035 ohms at 25C (77F) for an A99 PTC Temperature Sensor
Analog Output Voltage Mode (0–10 VDC): Requires an external load of 1,000 ohm or more
10 VDC maximum output voltage; 10 mA maximum output current
Note: The AO operates in Voltage Mode when connected to devices with
impedances greater than 1,000 ohm. Devices that drop below 1,000 ohm may not
operate as intended for Voltage Mode applications.
Current Mode (4–20 mA): Requires an external load between 0–300 ohm
Note: The AO operates in Current Mode when connected to devices with
impedances less than 300 ohm. Devices that exceed 300 ohm may not operate as
intended for Current Mode applications.
Enclosure Type 1 (NEMA), IP20 High-Impact Thermoplastic
Dimensions (H x W x D) 127 x 61 x 61 mm (5 x 2-3/8 x 2-3/8 in.)
Weight C450CPN-4: 195 g (0.43 lb)
C450CQN-4: 195 g (0.43 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 the EMC Directive.
Australia and New Zealand: RCM mark, Australia/NZ Emissions Compliant
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