Dual-Loop Controller for Humidity & Temperature is a dual-loop process control and display instrument based on microprocessor technology. Dual-Loop Controller for Humidity and Temperature can control and display process parameters such as temperature, pressure, and flow. The instrument features flexible settings, convenient configuration, and simple operation.
Features
Can be used as a temperature and humidity control instrument, or as a dual-input analog linear signal control instrument.
Modular design with freely configurable output.
Power supply: 100-240V AC, 47~63Hz.
Multiple alarms, supporting on-off control.
Alarm status indicator lights.
Optically isolated RS-485 communication interface.
8-segment program control.
Inputs
0~5V; 1~5V; 0~1V; 0~2V; 0~10mA; 0~20mA; 2~10mA; 4~20mA; 0~20mV; 0~100mV; -20~20mV; -100~100mV; Temperature and humidity sensor
Outputs
0-10mA
0-20mA
4-20mA
Communication
Optically isolated RS-485 communication interface
Alarm
Control output: 2 channels, relay
Alarm output: 2 channels, relay
Other Detailed Parameters
| Input Signal Range | 12 types of standard input signals |
| Basic Error | 0.001FS±1 digit |
| Measurement AD | 24-bit, 40Hz |
| Output DA | 12-bit, 100KSPS |
| Input Channels | 2 channels |
| Control Output | 2 channels, relay |
| Alarm Output | 2 channels, relay |
| Input Impedance | ≥500KΩ for voltage signals, ≤250Ω for current signals |
| Transmission Channels | 2 channels |
| Output Impedance (Load Capacity) | ≤500Ω for current output (can be 650Ω for special current requirements, please specify when ordering); Relay |
| Display Method | Nixie tube |
| Control Output Cycle | ≤1Hz |
| Communication Protocol | MODBUS RTU (RS485 interface, 2-wire system) |
| Transmission Distance | 1200 meters |
| Parity Check | None, odd, even |
| Baud Rate | 4800, 9600, 19200 |
| Communication Data Format | 1 start bit, 8 data bits, 1 stop bit |
| Power Supply Voltage | 100-240V AC (47~63Hz) |
| Isolation Voltage | Isolation between input, output and power supply; 2300V AC for 1 minute |
| Operating Conditions | Temperature -20℃～+50℃, Humidity 0.1-0.9RH |
| Storage Conditions | Temperature -40℃～+80℃; Humidity 0.1-0.9RH |
| External Dimensions | 48×96mm |
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