6-ch RTD Module with Modbus
• 6-channel 2 or 3 wires RTD Input
• Accept Pt100/1000, Balco500, Ni input signals
• Channels configurable for different types of input individually
• Wiring burned-out detectable function
• 3000 VDC A/D to logic isolation
Specifications
Display | LED Indicators | Power |
Power Supply | Power Requirement | 10~30 VDC |
Analog Input | Channels | 6 (2 or 3-wired) |
Direct Sensor Input | RTD (Pt, Balco, or Ni) | |
Burn-out Detection | Yes | |
Sampling Rates | 10 samples/second | |
Resolution | 16-bit | |
Input Impedance | 10 MOhm | |
Span Drift | ±25 ppm/°C | |
Zero Drift | ±3 µV/°C | |
CMR @ 50/60 Hz | 120 dB | |
NMR @ 50/60 Hz | 100 dB | |
General | Watchdog Timer | System (1.6 second) & Communication |
Connector | 2 x plug-in terminal block (#14~28 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 |