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Multi loop in-panel temperature controller

EJ1N is designed to deliver an easy-to-use Multi-Point Control System able to optimize wiring job and space saving thanks to its modular approach

Reduce Crossover Wiring with Horizontal Connection Structure
Simply connect power supply line and RS485 to end unit module to power up the entire system

Available with screw terminals and screw-less clamp terminals

Fit in your machine configuration perfectly
Up to 64 module (2 loops and/or 4 loops version) can be installed on the same communication RS485 line

All major sensors input type supported (thermocouple, Pt100, linear)

Simplify commissioning tasks thanks to extensive set of feature to make PID tuning effort easier
2-PID algorithm to achieve both good step response and disturbance response, Independent Autotuning for heating/cooling PID control, disturbance overshoot adjustment function for temperature fluctuation rejection.

Product	Size	Functions	Number of control loops	Temperature range	Temperature input type	Linear analog input type	Features	Number of event inputs	Number of alarm outputs	Supply voltage DC	Control output	Terminal	Description
EJ1N-TC2A-CNB	31 x 90 x 109 mm	PID control	2	-200-2300 °C	B, C (WRe5-26), E, J, JPt100, K, L, N, P (PLII), Pt100, R, S, T, U	0 to 10 V, 0 to 20 mA, 0 to 5 V, 1 to 5 V, 4 to 20 mA		2	2	20.4-26.4 V	2 Linear current	Screw	CelciuXº In-panel temperature controller basic unit, DIN rail mounting, 2 loops, thermocouple/Pt100/analog input, 2 x 4-20/0-20 mA plus 2 x 30 VDC, 0.1 A NPN outputs, heat, cool, heat/cool, M3 screw terminals
EJ1N-TC2A-QNHB	31 x 90 x 109 mm	PID control	2	-200-2300 °C	B, C (WRe5-26), E, J, JPt100, K, L, N, P (PLII), Pt100, R, S, T, U	0 to 10 V, 0 to 20 mA, 0 to 5 V, 1 to 5 V, 4 to 20 mA	Current transformer input	2	2	20.4-26.4 V	2 Voltage pulse	Screw	CelciuXº In-panel temperature controller basic unit, DIN rail mounting, 2 loops, thermocouple/Pt100/analog input, 2 x 12 VDC plus 2 x 30 VDC, 0.1 A NPN outputs, heat, cool, heat/cool, heater burnout alarm, M3 screw terminals
EJ1N-TC4A-QQ	31 x 90 x 109 mm	PID control	4	-200-2300 °C	B, C (WRe5-26), E, J, JPt100, K, L, N, P (PLII), Pt100, R, S, T, U	0 to 10 V, 0 to 20 mA, 0 to 5 V, 1 to 5 V, 4 to 20 mA				20.4-26.4 V	4 Voltage pulse	Screw	CelciuXº In-panel temperature controller basic unit, DIN rail mounting, 4 loops, thermocouple/Pt100/analog input, 4 x 12 VDC outputs, heat, cool, heat/cool, M3 screw terminals
EJ1N-TC4B-QQ	31 x 90 x 105 mm	PID control	4	-200-2300 °C	B, C (WRe5-26), E, J, JPt100, K, L, N, P (PLII), Pt100, R, S, T, U	0 to 10 V, 0 to 20 mA, 0 to 5 V, 1 to 5 V, 4 to 20 mA				20.4-26.4 V	4 Voltage pulse	Push-in	CelciuXº In-panel temperature controller basic unit, DIN rail mounting, 4 loops, thermocouple/Pt100/analog input, 4 x 12 VDC outputs, heat, cool, heat/cool, screwless clamp terminals

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Expertise

Reduce Crossover Wiring with Horizontal Connection Structure

Simply connect power supply line and RS485 to end unit module to power up the entire system and distribute RS485 network to all attached EJ1N-TC modules (save 4 wires for each module connected side by side)

ej1n expertise technical drawing reduce crossover en sol

ej1n expertise technical drawing heater diagnostic en sol

Heaters diagnostic

Electric heaters are the most common way to warm up several process as oven, extruder, sealing machines. Potential heater fault can create a lot of problem during production. EJ1N is equipped with a full set of alarm for detecting heater burnout/Solid State fault/ heater overcurrent even in 3phase wiring scenario up to 100A.

Temperature fluctuation rejection

EJ1N is equipped with an effective algorithm that support PID control to mitigate external disturbance impacts . The Disturbance Overshoot Adjustment Function adjusts the control waveform when an external disturbance happen.