Characteristics
1. Provide free configuration software, local host computer software
2. Anti-crash hardware watchdog
3. 5~35V with anti-reverse connection, overvoltage and overcurrent protection power supply
4. 8 channels of analog current input 0~20mA acquisition
5. 8 channels of analog voltage input 0~10V, 0~30V acquisition
6. Support analog calibration
7. Support 8 NPN switch output
8. 12-bit resolution, 0.1% precision ADC
9. High-performance 32-bit ARM processor
10. Support ModbusRTU slave station protocol
11. 12-way indicator light, with electrical protection RS485 communication interface
12. The temperature range of industrial machines can cope with harsh on-site environments.
13. Custom linear analog data conversion

Terminal structure, operation indicator design
VDC: Positive power supply terminal
Al1: Analog input 1
AI5: Analog input 5
GND: negative terminal of power supply
AI2: Analog input 2
AI6: Analog input 6
A+: 485 communication line A AI3: analog input terminal 3
Al7: Analog input terminal 7
B-: 485 communication line B
Al4: Analog input 4
AI8: Analog input 8
8 lights on top
D1: DO1 output status indicator. On: DO has output Off: DO has no output
D2: DO2 output status indicator. On: DO has output Off: DO has no output
D3: DO3 output status indicator. On: DO has output Off: DO has no output
D4: DO4 output status indicator. On: DO has output, DO has no output
D5: DO5 output status indicator. On: DO has output Off: DO has no output
D6: DO6 output status indicator. On: DO has output Off: DO has no output
D7: DO7 output status indicator. On: DO has output Off: DO has no output
D8: DO8 output status indicator. On: DO has output Off: DO has no output
4 indicator lights at the bottom
ESYS: reserved
GSYS: reserved
PWR: Always on during normal power supply
SYS: System status light,flash 1Time/Second