Knowledge base

Technical Guides

Wiring diagrams, parameter setup and selection guides for PID temperature controllers, solid state relays, SCR voltage regulators and sensors.

Technical Guides · 2026-08-27

How to Wire CH102, CH402, CH702 and CH902 PID Temperature Controllers

A practical wiring guide for CH102, CH402, CH702 and CH902 PID temperature controllers, covering power, AC contactor and SSR control, thermocouple and Pt100 sensors, alarms and commissioning.

Read guide
Technical Guides · 2026-08-25

TEL96-9001 Temperature Controller Wiring Guide: Direct Heater and AC Contactor Methods

Terminal-by-terminal wiring for the TEL96-9001 ON/OFF temperature controller: K-type thermocouple connection, direct heater switching up to 1500 W, AC contactor control, 220 VAC to 380 VAC supply change, commissioning checklist and troubleshooting.

Read guide
Technical Guides · 2026-08-24

How to Choose a Threaded Temperature Sensor: K, E Thermocouple or Pt100 RTD

A selection and installation guide for M6 / M8 threaded temperature sensor probes: how thermocouples and RTDs differ, which element to specify, how thread size and mounting affect the reading, lead length and shielding, terminal polarity and the controller settings to check at commissioning.

Read guide
Technical Guides · 2026-08-23

How to Wire REX-C100, REX-C700 and REX-C400/C900 Temperature Controllers

English wiring diagrams for REX-series temperature controllers, including relay, AC contactor, SSR, K-type thermocouple and 3-wire PT100 connections.

Read guide
Technical Guides · 2026-08-23

How to Wire TCN4S and TCN4H/L/M Temperature Controllers: Contactor and SSR Methods

Terminal-by-terminal wiring instructions for the TCN4S-14RV and TCN4H/L/M-14RV PID temperature controllers, covering AC contactor (relay output) wiring, BSSR-25DA solid-state relay wiring, K type and PT100/Cu50 sensor connections, SSR heat sink sizing and a commissioning checklist.

Read guide
Technical Guides · 2026-03-02

TC3-401T Celsius and Fahrenheit Setup Guide

Step-by-step guide to switching the Strong Electric TC3-401T temperature and time controller between Celsius and Fahrenheit: unlock the LCK parameter, set the CF unit code, confirm the change and re-check setpoint and alarm values. Includes a setup video and troubleshooting FAQ.

Read guide
Technical Guides · 2025-08-28

BSTY Three-Phase SCR AC Power Regulator: Signal Options, Sizing and Commissioning

Electrical data, control signal selection, current sizing for three-phase resistive loads, soft-start and thermal protection settings, wiring practice and commissioning steps for the BSTY three-phase SCR power regulator.

Read guide
Technical Guides · 2025-07-17

TCR-M Potentiometer Calibration and Output Test Guide

Step-by-step guide to calibrating the TCR-M temperature controller with a potentiometer — simulate the sensor input, set PV and SV, and verify the relay output switches at the setpoint.

Read guide
Technical Guides · 2025-07-03

Top 9 Industrial Temperature Controllers from Beijing Strong Electric

A selection guide to the nine current Strong Electric industrial temperature controllers, covering panel size, input type, output options and typical heating applications.

Read guide
Technical Guides · 2025-06-07

How to Change Deviation Alarm to Absolute Value Alarm on TC5 Temperature Controller

Learn how to switch the TC5 temperature controller from deviation alarm to absolute high alarm mode. This guide includes step-by-step instructions and a video demo.

Read guide
Technical Guides · 2025-05-31

TC5 Setup Guide: PT100 Input, Decimal Display and 45–50°C Range Control

Setup guide for the TC5 series temperature controller, covering PT100 input selection, decimal display resolution and 45–50°C hysteresis range control.

Read guide
Technical Guides · 2025-05-27

How to Switch TK6D Temperature Controller to SSR Output Mode

This blog explains how to set the TK6D temperature controller to SSR output mode. Includes video demo, step-by-step guide, and highlights of this DIN rail-mounted PID unit.

Read guide
Technical Guides · 2025-04-15

How to Wire REX-C100/C400/C700 Temperature Controllers with Relay and SSR Output

This blog provides a comprehensive guide on wiring REX series temperature controllers, including the C100, C400, and C700 models. It explains both relay and solid-state relay (SSR) output methods, sensor wiring (K-type and PT100), and alarm connections. Diagrams are provided for practical understanding and installation reference.

Read guide
Technical Guides · 2025-04-12

SCR Voltage Regulator Circuit Diagram and Wiring Guide

How to read and apply SCR voltage regulator circuit diagrams for single-phase and three-phase four-wire resistive heating, using the current SCR-100 controller and M1DK pulse-triggered power module, including terminal identification, control wiring, fusing and commissioning.

Read guide
Technical Guides · 2025-04-11

PID vs ON/OFF Control: Which Temperature Control Method is Right for You?

This article compares PID and ON/OFF temperature control methods for industrial automation. Learn the pros, cons, and application scenarios for selecting the right controller.

Read guide
Technical Guides · 2025-04-11

Solid State Relay (SSR) vs. Mechanical Relay: What’s the Difference and When to Use Each

This article compares SSR and mechanical relays by switching speed, lifespan, load compatibility, and usage scenarios—helping you decide which is best for your power control application.

Read guide
Technical Guides · 2025-04-06

SCR vs TRIAC: Differences, Circuit Topology and How to Choose

An engineering reference comparing SCRs and TRIACs for AC power control: conduction direction, circuit topology, triggering and commutation behavior, control methods, load compatibility, thermal and protection design, and a practical selection checklist.

Read guide

Need help selecting the right model?

Send us the load, voltage, sensor type and output signal. We reply with the matching model, wiring notes and an OEM quotation.