Product referenceX20DI2377
Event counters2
Sensor-supply protectionShort-circuit proof
Product familyX20 System
Maximum counter frequency50 kHz
Channel-to-bus insulation500 Veff
Digital input channels2
Counter width16 bit
Channel-to-channel isolationNot isolated
Connection method3-wire connections
Counter edgePositive edge
Bus power consumption0.15 W
Input topologySink input
Counter assignmentEach input
Internal I/O consumption0.82 W
Nominal input voltage24 VDC
Gate-measurement channels1
Module pitch12.5 +0.2 mm
Permitted input voltage24 VDC -15% / +20%
Gate-measurement clock base48 MHz to 187.5 kHz
Horizontal operating temperature-25 to 60°C
Input characteristicType 1 per EN 61131-2
Gate-measurement edgePositive to negative edge
Vertical operating temperature-25 to 50°C
Input current at 24 VDCTypically 10.5 mA
Gate-measurement width16 bit
Storage / transport temperature-40 to 85°C
Input resistanceTypically 2.23 kΩ
Minimum measurement pause100 µs
Relative humidity5 to 95%, non-condensing
Low switching thresholdBelow 5 VDC
Minimum pulse length20 µs
Degree of protectionIP20
High switching thresholdAbove 15 VDC
Selectable gate inputInput 1 or input 2
Mounting orientationHorizontal or vertical
Hardware input filter10 µs maximum
Maximum sensor power12 W
Terminal-block optionsX20TB06 or X20TB12, ordered separately
Software filter range0 to 25 ms
Sensor supply outputModule supply minus protection drop
Required bus moduleX20BM11, ordered separately
Filter setting increment0.2 ms
Maximum protection drop2 VDC at 500 mA
B&R ID code0x1B8E
Special input functionsEvent counting and gate measurement
Maximum sensor-supply current0.5 A total
ApprovalsCE, UKCA, ATEX, cULus, HazLoc, DNV, CCS, LR, KR, ABS, BV and KC
