The JUMO dTRON 3xx plast controller series consists of 3 user programmable devices to control temperatures and other process variables for special applications in the plastics industry. Application areas include extruders, injection molding machines, tempering equipment, and hot channel systems.
- Controller structure: P; I; PD; PI; PID (two sets of control parameters)
- Special features: Special version for the plastics industry with control loop monitoring, output level monitoring, hot channel startup ramp, heater current monitoring, and boost function; modular structure with plug-in cards that can be selected individually and retrofitted; easy-to-use PC setup program including startup software; min. sampling rate 50 ms; autotuning procedure for determining the controller parameters; programmable operating level; math and logic functions; Modbus master function
- Alarms: 4 limit value monitoring functions, with 8 alarm functions each
- Approvals: cULus
- Mounting: Plastic housing for panel mounting
- Measuring inputs: Up to 2 user configurable analog inputs for: RTD temperature probes; resistance transmitters; thermocouples; current 0(4) to 20 mA; voltage 0(2) to 10 V; heater current 0 to 50 mA AC; customer-specific linearization possible
- Outputs: 2 relays 3 A / 230 V (normally open contact); 2 logic outputs 0/12 V (optionally 0/18 V)
- Interfaces/protocols: RS485 (Modbus); PROFIBUS DP; setup interface
- Program controller: One program with up to 8 sections; 4 control tracks
- Digital inputs: Up to 4 digital inputs for potential-free contacts
- Connections: Screw terminals
- Format: 48 mm × 48 mm, 48 mm × 96 mm, 96 mm × 96 mm
- Voltage supply: AC 110 to 240 V +10/-15 %, 48 to 63 Hz; AC/DC 20 to 30 V, 48 to 63 Hz
- Protection type: At the front IP65; at the rear IP20
- Controller type: Two-state controller; three-state controller; modulating controller; continuous controller
- Display: 2 four-digit, seven-segment displays (red, green) for process values, parameters, timers; icons for indicating switch positions, ramp mode, manual mode, and active setpoint values; 1 two-digit 16-segment display (green) for the display of various units
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