8-Segment Curve Controller for Humidity and Temperature is a dual-loop process control and display instrument based on microprocessor technology.8-Segment Curve 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 either as a temperature and humidity control instrument or 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 (Note: "V" is supplemented according to common industrial signal specifications, as it was omitted in the original text); 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 (Kilo Samples Per Second) |
| 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 upgraded to 650Ω for special current requirements, please specify when placing an order); 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 |
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