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Johnson Controls M4 Controllers M4-CVM03050-0P

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M4-CVM03050-0P

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The M4-CVM03050-0P from Johnson Controls serves as a device for controlling VAV boxes, integrating an actuator, position feedback potentiometer, and differential pressure sensor into a compact unit. Designed for compatibility in diverse environments, this controller utilizes BACnet MS/TP and N2 communication protocols, with an optional Zigbee wireless capability depending on the hardware configuration.

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Technical specifications for M4-CVM03050-0P

ManufacturerJohnson Controls
Product TypeVAV Box Controller with Integrated Actuator, Position Feedback Potentiometer, and DPT Sensor
Product LineM4 Controllers
Part NumberM4-CVM03050-0P
Communication ProtocolBACnet MS/TP and N2 (plus optional Zigbee Wireless protocol with add-on hardware)
Voltage Rating24 Volts AC nominal (20 to 30 Volts AC)
Input Voltage Frequency50/60 Hz
IP RatingIP20
Operating Temperature Range0°C to 50°C
Storage Temperature Range-40°C to 70°C
Power Consumption10 VA typical and 14 VA maximum
Processor32-bit RX64M Renesas microcontroller processor
Memory16 MB Flash plus 8 MB SDRAM
Min. Actuator Torque Rating4 N·m (35 lb-in)
Sensor Range for Air Pressure Differential-2 in. to 2 in. for H2O
Input/Output Capabilities3 Universal Inputs, 2 Configurable Outputs, and 3 Binary Outputs
Real-Time Clock BackupSuper capacitor, 72 hours min.
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The Johnson Controls M4-CVM03050-0P is a specialized controller designed for variable air volume (VAV) box applications. It integrates a variety of functions, including an actuator, a potentiometer for position feedback, and a differential pressure transmitter sensor, to ensure precise control. This device communicates using BACnet MS/TP and N2 protocols, and it offers an optional Zigbee wireless feature that can be enabled with additional hardware.

With a weight of 1.52 lbs, the M4 controller is designed to operate at a nominal voltage of 24 Volts AC, with an allowable voltage range of 20 to 30 Volts AC and an input frequency compatible with 50 or 60 Hz. The device carries an IP20 rating, meaning it is primarily intended for indoor environments.

This controller can function in temperatures ranging from 0°C to 50°C while it can be stored in conditions ranging from -40°C to 70°C, making it versatile for different climates. Its power consumption is typically 10 VA, with a maximum draw of 14 VA.

The processing functions of the M4-CVM03050-0P are powered by a 32-bit RX64M Renesas microcontroller. The controller has 16 MB Flash memory and 8 MB of SDRAM, providing ample capacity for operational needs. The minimum torque rating for the actuator is specified as 4 N·m (35 lb-in), giving it sufficient capability for various applications.

Additionally, the differential pressure sensor can monitor a range from -2 inches to +2 inches of water for precise measurement. For I/O capabilities, the device supports three universal inputs, two configurable outputs, and three binary outputs. Lastly, the real-time clock is backed up by a supercapacitor, ensuring at least 72 hours of retention without power, making the M4-CVM03050-0P a reliable choice for managing air volume control in HVAC systems.