Fault Detection: Open circuit.
Short circuit single bead failure.
Over-Range Default: +10% above fsd.
Under-Range Default: -10%belowzero.
5.5 Four Channel Control Card - 4 - 20mA
Power Consumption: 8.3W (maximum). 7.5W (typical).
Loop Powered Output Voltage: Isolated 24V ± 5% regulated, 25mA
maximum for loop powered devices.
Transmitter Supply Output
Voltage: None.
Loop Protection: Short circuit, open circuit voltage of
±50V.
Conguration: Sensorcurrentsource.
Measurement Signal Range: 0 to 25mA (linear).
Maximum Line Resistance: 500 ohms loop resistance including
sensor.
Isolation Breakdown Voltage: More than ±50V dc to system 0V.
5.6 Analogue Output
Output Compliance Range: 40V.
Protection: Short circuit protected.
Reverse voltage up to 36V dc.
Transient voltage of less than 60V dc.
Conguration: Isolated current sink/source with 18
-40V external supply.
Signal Range: 0 - 25mA.
Measurement Signal Range: 0 - 20mA or 4 - 20mA selected by the
software.
Linearity From Input: Better than ±2% fsd.
Repeatability From Input: Better than ±1% fsd.
Isolation Breakdown
Voltage: More than ±50V dc to system 0V.
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