TH4M DIN Rail Multi-Channel PID Temperature Controller with RS485 Modbus

• 2-channel and 4-channel models available
  
• Supports thermocouple and RTD temperature inputs
  
• RS485 communication with Modbus protocol
  
• PID auto-tuning and ON/OFF control modes
  
• Relay output, SSR output, or current/SSR drive output optional
  
• Heating and cooling control available
  
• Upper and lower limit alarm function
  
• Compact DIN35 rail mounting for control cabinets
  

Model Selection Guide

example:

T H4M - 4 - R - 2 - B

Please confirm channel quantity, input type, output type, power supply, and communication requirements before ordering.

• Industrial automation control cabinets
  
• Oven and furnace temperature control
  
• Refrigeration and cooling systems
  
• Incubators and breeding systems
  
• Greenhouse temperature control
  
• Machinery temperature monitoring
  
• Laboratory equipment
  
• Multi-point temperature acquisition systems
  

RS485 Modbus Communication

The TH4M Series supports RS485 communication with Modbus protocol, allowing parameter reading and writing through upper computer systems, PLCs, HMIs, and industrial monitoring platforms. 

It is suitable for centralized temperature monitoring and multi-point control systems.

Q1: Is TH4M a 4-channel temperature controller?
Yes, the TH4M Series supports 2-channel and 4-channel models. Please confirm the required channel quantity before ordering.

Q2: Does it support RS485 communication?
Yes, it supports RS485 communication with Modbus protocol.

Q3: Can it be mounted in a control cabinet?
Yes, it adopts DIN35 rail mounting, suitable for industrial control cabinets.

Q4: What output types are available?
Relay output, SSR output, and current/SSR drive output are available depending on the model.

Q5: Can it control heating and cooling?
Yes, it supports heating and cooling control modes with upper and lower limit alarm settings.