6B21
Model 6B21
Range Description
(Software Configurable)
Accuracy
(Typical)
Accuracy
(Maximum)
0 mA to 20 mA
4 mA to 20 mA
±0.02 % FSR
±0.02 % FSR
±0.05 % FSR
±0.05 %FSR
6B21 Specifications
(typical @ +25°C and Vs = +5 V dc)
Description
Model 6B21
Output, Software Selectable
0 mA to 20 mA or 4 mA to 20 mA
Current, Operating Ranges
Current, Over-range
Load Resistance
+2 mA ±200 µA
0 to 750 Ω
Communications
Protocol
RS-485
Baud Rates, Software selectable
300K, 600K, 1.2K, 2.4K. 9.6K, 19.2K
Output Current
Initial Accuracy
Output Offset
Span
±5 µA (±15 µA maximum)
±0.02% Full Scale Range
(±0.05%, max.)
Accuracy vs. Temperature
Output Offset Current
Gain
±1 µA°C
±50 ppm/°C
Resolution
±0.02% Full Scale Range
±0.02% Full Scale Range
1 µA peak-to-peak
3 Hz
Nonlinearity
Output Noise, 0.1 Hz to 100 Hz Bandwidth
Bandwidth, -3 dB
Conversion Rate
Setting Time
100 samples/second
1 ms to ±0.1% Full Scale Range
Output Slew Rate
0.125 mA/sec to 128 mA/sec
Common-Mode Voltage (CMV)
1500 V rms continuous
Common Mode Rejection (CMR)
Software Selectable (11 Binary Ranges)
Output-to-Input and Power
Output-to-Input and Power @60 Hz
Output Protection
108 dB
240 V rms, continuous
ANSI/IEEE C37.90.1-1989
Output Transient Protection
Rev. 0 | Page 3 of 8
ADI [ ADI ]
