What this controller handles
The Omron E5CC-TRX3A5M-005 is a panel-mount process and temperature controller that accepts RTD, thermocouple (Types B, E, J, K, L, N, PLII, R, S, T, U, W), 0–20 mA, or 0–10 VDC inputs — so it covers most industrial sensors without needing a signal conditioner. It delivers four relay outputs, making it a fit for multi-stage heater banks, dual-loop alarm zones, or driving contactors for separate heating and cooling circuits from a single controller.
Control loop and display
Control method is selectable between On/Off and proportional-integral-derivative (PID) — the PID loop auto-tunes on demand, which saves time during commissioning on a new oven or extruder barrel zone. The dual-color LCD backlight shows two rows of four characters each (0.600" and 0.280" character heights), so you can read process value and setpoint simultaneously even from a few steps back on the panel.
The front panel carries an IP66 rating — dust-tight and protected against hose-directed water — which means this controller can sit on a washdown-capable panel face in food, beverage, or pharmaceutical lines without a separate cover.
The closest functional peer is the E5CC-TQX3A5M-000, which swaps one relay output for a voltage pulse (SSR drive) output — choose that variant if you are driving solid-state relays rather than electromechanical contactors.