Material numberX20AI8221
Analog inputs8
Input range+/-10 V
Input typeDifferential
Converter resolution13-bit including sign
Digital representationSigned INT
Conversion time1 ms for all inputs
Conversion methodSAR
Input impedance20 MOhm
Input filterThird-order low-pass, 1 kHz cutoff
Permissible inputMaximum +/-30 V
Common-mode range+/-12 V
Gain error0.08% maximum
Offset error0.015% maximum
NonlinearityLess than 0.025%
Crosstalk-70 dB
Common-mode rejection70 dB DC and 50 Hz
Open-circuit detectionSoftware
Reverse-polarity protectionYes
Overload digital valueConfigurable
Bus power consumption0.01 W
Internal I/O consumption1.04 W
Bus isolation test500 VDC for 1 min
Channel isolationChannels not isolated from each other
Horizontal operation-25 to 60 deg C
Vertical operation-25 to 50 deg C
Degree of protectionIP20
Module pitch12.5 +0.2 mm
Terminal blockX20TB1F, ordered separately
Bus moduleX20BM11 or X20BM15
B&R ID code0xD82F
Module diagnosticsRun/error via LED and software
Input diagnosticsPer-channel LED and software
Status indicatorsI/O function, operating state and module status
Digital value scaling1 LSB = 2.441 mV
Maximum gain drift0.006% per deg C
Maximum offset drift0.002% per deg C
Horizontal mountingSupported
Vertical mountingSupported vertically
Installation elevation0 to 2000 m without limitation
Altitude deratingReduce ambient limit by 0.5 deg C per 100 m above 2000 m
Storage temperature-40 to 85 deg C in storage
Transport temperature-40 to 85 deg C during transport
Operating humidity5 to 95%, non-condensing in operation
Storage humidity5 to 95%, non-condensing in storage
Transport humidity5 to 95%, non-condensing in transport
CE certificationYes, CE conformity
UL certificationcULus E115267