8-ch Thermocouple Input Module with Modbus
• 16-bit resolution
• Eight different inputs
• Software configurable for T/C, low level voltage or mA inputs
• Wiring burned-out detectable function
• 3000 Vdc isolation
• Supports Modbus/RTU Protocol
• Supports 4~20mA
Specifications
Display | LED Indicators | Power |
Power Supply | Power Requirement | 10~30 VDC |
Analog Input | Channels | 8 differential |
Current Input | ±20 mA, 4~20mA | |
Direct Sensor Input | J, K, T, E, R, S, B Thermocouple | |
Burn-out Detection | Yes (All T/C) | |
Channel Independent Configuration | Yes | |
Sampling Rates | 10 samples/second | |
Resolution | 16-bit | |
Input Impedance | Thermocouple: 20 MOhm Current: 120 Ohm | |
Span Drift | ±25 ppm/°C | |
Zero Drift | ±6 µV/°C | |
General | Watchdog Timer | System (1.6 second) & Communication |
Connector | 2 x plug-in terminal block (#14~22 AWG) | |
Temperature (Operating) | -10~70 °C (14~158 °F) | |
Humidity | 5~95 %RH | |
Temperature (Storage) | -25~85 °C (-13~185 °F) | |
Interface | RS-485 | |
Isolation Protection | 3000 VDC | |
Communication Protocol | ASCII command & Modbus/RTU | |
Communication Speed | Serial: From 1,200 to 115.2 k | |
Comm. Distance | Serial: 1.2 km | |
Data Flow Control | Yes |