Single‑Loop High‑Speed PID Process Controller

Three mechanical formats are offered: 1PC‑04(92×92 mm cutout), horizontal 1PC‑08(92×45 mm cutout), vertical 1PC‑H8(45×92 mm cutout). Equipped with IPS‑TFT color LCD and dust‑proof tactile keys, front panel reaches IP66 rating. It performs closed‑loop regulation for temperature, pressure, flow, heat‑flux and other process variables, serving as cost‑effective replacement for imported single‑loop controllers in heat‑treatment, material testing and heating‑equipment projects.

✅ Domestic High‑speed Architecture & Vector‑synthesis PID Algorithm 24‑bit isolated ADC, selectable control cycle 50 ms / 100 ms. Four built‑in PID modes (PID‑I / PID / PID‑3Pb / PID‑PD) suit slow‑lag or fast‑response plants. Auto‑tune AT, integral separation and over‑shoot suppression help achieve stable control with minimal overshoot. Optimized isolated AD/DA hardware brings low temperature drift and strong noise immunity. 1800 V AC galvanic isolation between input, output and power supply.

✅ Flexible Multi‑channel Reusable I/O Main channel supports 47 universal sensor types. The 2nd channel can be configured for heater‑break detection, valve‑position feedback, remote SV, dual‑sensor redundancy or multi‑sensor auto‑switch. The 3rd channel supports hardware switch between AD input and DA retransmission, realizing 1‑loop control plus two retransmission outputs to reduce external signal isolators. Up to 9‑way programmable DIO pins, freely set as DI dry‑contact input or open‑collector DO output for external trigger, sequence timing and safety interlock.

✅ Advanced Recipe & Group‑switchable PID Stores 10 independent recipes with maximum 50‑segments per recipe. Supports time‑base / ramp‑rate mode, segment deviation‑wait, segment & global cycle. Three power‑off resume choices: continue, ramp‑back or reset. Up to 10 groups of switchable PID parameters, automatically invoked by PV, SV or program segment to match heating, soaking and cooling phases. Independent SV‑ramp limit and OP‑rate limit avoid abrupt output shock.

✅ Complete Alarm & Custom Correction Function Full alarm modes including high/low limit, deviation band, sensor break, heater break and program‑end. Each alarm supports independent hysteresis and action‑delay to prevent false trips caused by field interference. Built‑in math unit for calculation of difference, max/min, square‑root, power functions. 16‑point user‑defined linearization table adapts to non‑standard sensors. Dual‑/triple‑sensor auto‑switch for extra‑wide measuring range.

✅ Dual‑port Communication & Multi‑unit Master‑slave Sync Control Dual‑channel RS485 Modbus‑RTU as standard, optional Modbus‑TCP over Ethernet. Besides regular parameter access and data logging for HMI, PLC and SCADA, it implements master‑slave synchronized SV control. One master 1PC can synchronize up to 64 slave controllers or SCR power regulators, simplifying multi‑unit system integration.

Rapid‑heat‑treatment furnaces, thermal‑shock test benches, hot‑press equipment, laboratory atmosphere furnaces, ovens, semiconductor process equipment, new‑energy test platforms, multi‑unit synchronized control systems, retrofitting projects replacing imported single‑loop controllers.

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