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Category
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Details
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General Information
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- Material Number
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X20AI8321
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- Brand
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B&R
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- Product Type
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Analog Input Module
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- Function
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Receive and convert analog current signals to digital values for industrial control systems
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- B&R ID Code
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0xD831
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- Warranty
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Usually 12 months (varies by region and distributor)
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- Status Indicators
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I/O function per channel, operating state, module status
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- Diagnostics
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Module run/error and input diagnostics available via LED status indicators and software
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- Power Consumption
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Bus: 0.01 W; Internal I/O: 1.37 W (rev. ≥ D0), 1.24 W (rev. < D0)
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Input Specifications
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- Number of Inputs
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8
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- Input Type
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Differential analog input
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- Input Ranges
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0 to 20 mA or 4 to 20 mA
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- Digital Converter Resolution
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12 - bit
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- Conversion Time
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1 ms for all inputs
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- Output Format (Data Type)
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int
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- Current Output Range (Digital Representation)
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0x0000 - 0x7FFF / 1 LSB = 0x0008 = 4.883 μA
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- Load
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< 300 Ω
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- Input Protection
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Protection against wiring with supply voltage, reverse polarity protection
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- Permissible Input Signal
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Max. ± 50 mA
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- Output of Digital Value during Overload
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Configurable
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- Conversion Procedure
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SAR (Successive Approximation Register)
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- Input Filter
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Third - order low - pass filter / cut - off frequency 1 kHz
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- Max. Error (Gain)
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0.08%
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- Max. Error (Offset)
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0.03%
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- Max. Gain Drift
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0.009%/°C
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- Max. Offset Drift
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0.005%/°C
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- Common - Mode Rejection (DC)
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70 dB
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- Common - Mode Rejection (50 Hz)
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70 dB
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- Common - Mode Range
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± 12 V
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- Crosstalk between Channels
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- 70 dB
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- Nonlinearity
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< 0.05%
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- Insulation Voltage between Channel and Bus
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500 VDC, 1 min
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Electrical Properties
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- Electrical Isolation
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Channel isolated from bus; channel not isolated from channel
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Environmental Conditions
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- Mounting Orientation
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Horizontal and vertical
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- Installation Elevation above Sea Level
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0 - 2000 m: no limitation; > 2000 m: reduction of ambient temperature by 0.5 °C per 100 m
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- Degree of Protection per EN 60529
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IP20
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- Temperature (Operation - Horizontal Mounting)
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- 25 to 60 °C
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- Temperature (Operation - Vertical Mounting)
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- 25 to 50 °C
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- Temperature (Storage)
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- 40 to 85 °C
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- Temperature (Transport)
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- 40 to 85 °C
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- Relative Humidity (Operation)
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5 - 95%, non - condensing
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- Relative Humidity (Storage)
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5 - 95%, non - condensing
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- Relative Humidity (Transport)
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5 - 95%, non - condensing
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Mechanical Properties
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- Pitch
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12.5 + 0.2 mm
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- Mandatory Accessories
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Bus modules (e.g., X20BM11, X20BM15); Terminal blocks (e.g., X20TB1F)
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Certifications
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- CE
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Yes
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- UKCA
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Yes
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- ATEX
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Zone 2, II 3G Ex nA nC IIA T5 Gc; IP20, Ta (see X20 user's manual); FTZÚ 09 ATEX 0083X
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- UL
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cULus E115267 (industrial control equipment)
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- HazLoc
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cCSAus 244665 (process control equipment for hazardous locations, Class I, Division 2, Groups ABCD, T5)
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- DNV
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Temperature: B(0 - 55 °C); Humidity: B(up to 100%); Vibration: B(4 g); EMC: B(bridge and open deck)
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- CCS
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Yes
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- LR
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ENV1
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- KR
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Yes
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- ABS
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Yes
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- BV
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EC33B, Temperature: 5 - 55 °C, Vibration: 4 g, EMC: Bridge and open deck
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- KC
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Yes
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