HONEYWELL DC1040CR-302-000-E Product Description

Overview

HONEYWELL DC1040CR-302-000-E is a DC1000 series microprocessor-based digital controller for temperature, humidity, pressure, flow or other process-variable control. The DC1040 model uses a 96 × 96 mm, DIN 1/4 panel housing. Public distributor references for this exact suffix list RTD input, one 4 to 20 mA analog control output, 2 alarms and operation from 85 to 264 V AC supply; exact input sensor, output and alarm configuration should be verified from the controller label or Honeywell configuration code before replacement.

Features

The DC1000 controller provides PID, ON/OFF, heat and cool control with two PID sets, motor-position control without slidewire feedback, phase-angle control and zero-crossover control algorithms according to the Honeywell specification. It includes auto-tuning to calculate PID values for the control system, automatic or manual mode, parameter locking and accessible configuration levels.

The human interface has two 4-digit PV and SP or parameter displays, a 10-segment LED bar graph for control output or manipulated value, and up to eight LEDs for control, alarm, auto or manual and program-status indication. Honeywell documentation lists one PV input channel supporting thermocouple, RTD or linear input, with sampling time 250 ms, indication accuracy ±0.2 percent FS ±1 digit, and digital filter adjustable 0 to 200 seconds.

DC1000 communication can be selected as RS232 or RS485, using ASCII or Modbus RTU protocol, up to 38,400 bps according to the Honeywell specification. The front panel is listed as IP65 protection for wet or dusty environments. Standards referenced include CE and cUL, with UL-approved options where specified.

Specs

Brand: HONEYWELLSeries: DC1000Model: DC1040CR-302-000-EProduct type: Digital process or temperature controller Panel size: 96 × 96 mm, DIN 1/4 Controller family: DC1040 panel-mounted DC1000 model PV input: Public suffix references RTD input; Honeywell family also supports TC, RTD or linear input Input channel: 1 channel Supported family inputs: Thermocouple, RTD Pt100 or JPt100 and JPt50, linear current or voltage Sampling time: 250 msIndication accuracy: ±0.2 percent FS ±1 digitCold-junction accuracy: ±1.0 °C under standard conditions per Honeywell document Digital filter: 0 to 200 secondsControl output 1: Public distributor record lists 4 to 20 mAControl output 2: None per public record Alarm outputs: 2 alarms per public record; family supports up to three alarms depending on model Communication: Optional RS232 or RS485, ASCII or Modbus RTU, up to 38,400 bps per Honeywell document Power supply: Public record 85 to 264 V AC, 50 or 60 Hz; Honeywell family also lists AC 100 to 240 V and optional DC 15 to 50 V or DC 20 to 50 V references Power consumption: Public record 8 VA at 110 V, 12 VA at 220 V Control algorithms: PID, ON/OFF, heat or cool with two PID sets, motor position, phase angle, zero crossover Front protection: IP65 per Honeywell family document Operating ambient: Public record -20 to +65 °C; Honeywell document lists operating 0 to 50 °C and ambient -25 to +65 °C by section Conformity: CE, cUL, optional UL per Honeywell document Product status: Existing-panel digital controller spare; configuration must be matched to original control loop

Principle

The controller measures the process variable through an RTD, thermocouple or linear input, compares it with the setpoint, and calculates a PID or ON/OFF control output. The manipulated value is sent to a final control element such as a heater, valve, damper, motor drive or SCR power controller. Alarms trigger on high, low, deviation, break or other configured event modes, and the optional RS485 or RS232 link allows monitoring or setpoint exchange with a PLC, HMI or supervisory system.

Replacement should verify the supply voltage and frequency, sensor type and range, control output type and range, alarm count and logic, relay or analog output wiring, communication protocol and address, panel cutout, loop tuning, setpoint configuration, sensor break action, manual or automatic mode and parameter backup. DC1000 controllers are panel-mounted process instruments; installation and servicing should follow Honeywell manuals and local electrical or process-safety requirements.

Applications

HONEYWELL DC1040CR-302-000-E is used for temperature or process control in plastics processing, packaging machinery, painting or coating, semiconductor packaging or test, drying equipment, ovens, furnaces, HVAC, extruders, injection molding, process heaters, batch reactors and general industrial control panels. In legacy installations, it serves as a direct replacement controller spare when the input, output, alarm configuration, supply voltage, panel size, communication and tuning match the original DC1040 unit.