This product is a temperature controller that can measure RTD, PTC, thermocouple, CT temperature signals, support switch, PWM control output, and configure alarm, output mode and other functions.
About this manual
This manual describes the GEFRAN 80225B RTD temperature controller, covering its input options (RTD, PTC, thermocouples), output types, power requirements, and communication interfaces. It includes detailed tables of technical parameters, wiring diagrams, and configuration settings.
The document also explains how to set up the controller, interpret PV/SV displays, and use the built‑in alarms and LED indicators. Users can find programming instructions for PID control, setpoint adjustments, and output modes such as relay (NO/NC) and PWM. This manual is written in Chinese.
What's inside
- Specifications
- Input Types
- Output Types
- Power Supply
- Communication Interfaces
- Configuration
- Alarms and Indicators
- Programming
Specifications
| Temperature measurement range | -1999 °C to 9999 °C |
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| Input resistance (RTD) | 990 Ω, 25 °C RTD |
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| Output rating | 5 A, 250 V, NO (NC) contacts |
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| Communication interfaces | RS422/485, RS232 |
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| Power supply range | 100 V – 240 V AC/DC ±10%, 50/60 Hz |
Frequently asked questions
What communication interfaces are available?
The controller provides RS422/485 and RS232 interfaces.
What is the output rating of the controller?
The output contacts are rated at 5 A, 250 V with NO (normally open) and NC (normally closed) options.
What power supply voltage does the controller accept?
It operates from 100 V to 240 V AC or DC, with a tolerance of ±10% at 50/60 Hz.