Dixell IPG315D

Dixell IPG315D

Product Introduction IPG315D is a high performance programmable controller from Dixell iPro series, designed for refrigeration, air conditioning and heat pump automation. It integrates rich analog and digital I/O resources to control compressors, fans, electronic expansion valves, pumps and auxiliary equipment. It supports custom control logic programming, data logging and multiple communication protocols. This controller is widely used in supermarket refrigeration racks, air handling units, cold storage and commercial HVAC systems. It adopts 10 DIN rail form factor for cabinet installation.

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Description

Dixell IPG315D

Technical Specifications

  • Product Type: Programmable HVAC/R controller, 10 DIN rail form
  • Power Supply: 24 V AC / DC, powered by TF20D dedicated power module
  • Analog Inputs: 10 configurable universal probe inputs, support NTC, PTC, 0-1V, 0-5V, 0-10V, 4-20mA
  • Digital Inputs: 20 opto-isolated configurable digital inputs, potential free contact
  • Digital Outputs: 15 relay outputs rated 5A, optional 5 SSR outputs
  • Analog Outputs: 4 configurable analog outputs supporting 0-10V or 4-20mA
  • Communication Ports: Ethernet TCP/IP, RS485 master/slave, CAN bus, USB
  • Data Storage: 80M internal memory for trend and event logging
  • Real Time Clock: Built-in RTC for time stamped data recording
  • Mounting: 10 DIN rail mounting
  • Ingress Protection: IP20 for cabinet installation
  • Operating Temperature: -20 °C to +60 °C
  • Humidity: 10 % to 90 %, non-condensing
  • Weight: 0.95 kg

Functional Features

  1. Universal analog input channels accept temperature probes, pressure transmitters and other process sensors.
  2. 20 opto-isolated digital inputs collect contact status from switches, safety interlocks and manual commands.
  3. Relay and SSR outputs drive compressors, fans, solenoid valves and indicator lights.
  4. Analog outputs control electronic expansion valves, variable speed fan drives and modulating actuators.
  5. Support custom programming for refrigeration cycle, defrost sequence and air handling control logic.
  6. Built-in data logger records temperature, pressure, equipment state and alarm events with time stamp.
  7. Multiple communication protocols support BACnet, Modbus TCP for connection to building management system.
  8. USB port for program download, configuration upload and log data export.
  9. Support connection to two external graphic operator panels for local operation and display.
  10. Built-in alarm management function sends alarm messages to remote monitoring system.

Application Scenarios

  • Supermarket multi-circuit refrigeration rack control
  • Commercial building air handling unit automation
  • Cold storage and freezer temperature control system
  • Heat pump unit and chiller plant control
  • Food processing refrigeration equipment automation

Material Composition

  • Housing: Flame retardant polycarbonate plastic
  • Main PCB: FR4 printed circuit board
  • Relay components: Electromagnetic relay for load switching
  • Signal conditioning: Precision A/D and D/A converters
  • Communication chips: Ethernet and CAN bus transceivers
  • Terminal block: Spring loaded and screw combination copper alloy terminals

Structural Characteristics

  • Wide 10 DIN rectangular plastic housing with rear DIN rail clip.
  • Front panel contains LED indicators and USB service port.
  • Removable terminal blocks on top and bottom sides for field wiring.
  • Internal circuit layout separates high power relay circuit and low level analog signal circuit.
  • Passive convection cooling without fan.

Working Principle Temperature and pressure sensor signals enter universal analog input channels. Digital input channels read contact status of safety switches and interlock devices. The onboard microcontroller executes user programmed control logic, calculates setpoint deviation and generates output commands. Relay and SSR outputs switch loads such as compressors and fans. Analog outputs send modulating signals to expansion valves and variable speed drives. The controller stores operating data and alarm events in internal memory, and exchanges real-time data with building management system via Ethernet or RS485 bus.

Installation Requirements

  • Mount IPG315D on standard 35 mm DIN rail inside control cabinet.
  • Install matched TF20D power module for 24V AC/DC power supply.
  • Use shielded twisted pair cable for analog sensor wiring.
  • Separate sensor signal cables from high current compressor wiring.
  • Complete protective earth connection of cabinet.
  • Download application program and configure sensor types and setpoints.
  • Test defrost logic, interlock and alarm function after installation.

Usage Notes

  • Do not exceed rated contact current of relay outputs.
  • Protect controller from direct water splash and high condensation environment.
  • Backup application program before firmware upgrade.
  • Disconnect power before modifying field wiring.
  • Use anti-static wristband when handling spare controller.
  • Replace unit immediately when permanent I/O or communication hardware fault occurs.

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