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9. Input/Output Specification
Analogue Inputs
Voltage input ranges ±10V, ±5V, ±2.5V, ±1V, ±500mV, ±250mV, ±150mV or ±75mV
Current input ranges ±20mA, 0-20mA or 4-20mA
Measurement rate 12 measurements per second, divided between all enabled inputs
Measurement
accuracy
0.1% of full-scale range at 25°C
0.3% of full-scale range over -30 to +80°C
Input impedance Voltage Mode: 10MΩ
CMRR 120dB
NMRR 100dB at 50Hz and 60Hz
Analogue Outputs
Voltage Output
Range
0-10V
Current Output
Ranges
0-20mA or 4-20mA
Current Output Type Sink (requires external current source)
Output Resolution 12 Bit
Watchdog Sets outputs to predened values on timeout
Max Load Voltage mode: Current ±5mA/ Current Mode: Voltage 30V
Dropout Voltage 2.8V (Current Mode)
Output Accuracy 0.1% of FSR @ 25 °C (77 °F)
Output Drift
Voltage Mode: Zero drift less than 30µV/°C, span drift less than
25ppm/°C
Current Mode: Zero drift less than 0.2µA/°C, span drift less than
25ppm/°C
Output Slew Rate Voltage Mode: 170 kV/s, Current Mode: 4.3A/s
Output Settling Time Voltage Mode: 350µs, Current Mode: 4 µs
Serial Port
Ports Software Selectable RS232, RS422 Full Duplex, or RS485 Half Duplex
Conductor Wire 28 to 16 AWG, 0.14mm to 1.5mm Max
Baud Rate Any custom Baud rate between 60 - 1,000,000 (1 MegaBaud)
Data Bits 5,6,7 or 8
Parity Odd, Even, None, Mark or Space
Stop Bits 1, 1.5 or 2
Flow Control RTS/CTS, DSR/DTR, XON/XOFF
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