Category: I/O systems > X20 System > Digital inputs/outputs
8 digital inputs, sink connections 4 digital outputs, source connections 1-wire connections Configurable software input filter for entire module Integrated output protection This module is equipped with 8 inputs and 4 outputs for 1-wire connections.
The inputs are designed for sink connections, the outputs for source connections.
Technical Specifications
Short description
- I/O module = 8 digital inputs 24 VDC for 1-wire connections, 4 digital outputs 24 VDC for 1-wire connections
General information
- Diagnostics
- Module run/error = Yes, using LED status indicator and software
- Outputs = Yes, using LED status indicator and software (output error status)
- Power consumption
- Bus = 0.21 W
- Internal I/O = 0.5 W
- Certifications
- CE = Yes
- UKCA = Yes
- CRA (Cyber Resilience Act) = In preparation
- ATEX = Zone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X
- UL = cULus E115267 Industrial control equipment
- HazLoc = cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5
- KC = Yes
- Nominal voltage = 24 VDC
- B&R ID code = 0x20B9
- Status indicators = I/O function per channel, operating state, module status
- Additional power dissipation caused by actuators (resistive) [W] = +0.21
Digital inputs
- Input filter
- Hardware = ≤100 µs
- Software = Default 1 ms, configurable between 0 and 25 ms in 0.2 ms increments
- Switching threshold
- Low = <5 VDC
- High = >15 VDC
- Input characteristics per EN 61131-2 = Type 1
- Input voltage = 24 VDC -15% / +20%
- Input current at 24 VDC = Typ. 3.75 mA
- Input circuit = Sink
- Connection type = 1-wire connections
- Input resistance = Typ. 6.4 kΩ
- Insulation voltage between channel and bus = 500 V eff
Digital outputs
- Switching delay
- 0 → 1 = <300 µs
- 1 → 0 = <300 µs
- Switching frequency
- Resistive load = Max. 500 Hz
- Inductive load = See section "Switching inductive loads".
- Variant = Current-sourcing FET
- Switching voltage = 24 VDC -15% / +20%
- Nominal output current = 0.5 A
- Total nominal current = 2 A
- Connection type = 1-wire connections
- Output circuit = Source
- Output protection = Thermal shutdown in the event of overcurrent or short circuit (see value "Short-circuit peak current") Internal freewheeling diode for switching inductive loads (see section "Switching inductive loads")
- Diagnostic status = Output monitoring with 10 ms delay
- Leakage current when the output is switched off = 5 µA
- R DS(on) = 210 mΩ
- Peak short-circuit current = <12 A
- Switch-on in the event of overload shutdown or short-circuit shutdown = Approx. 10 ms (depends on the module temperature)
- Braking voltage when switching off inductive loads = Typ. 50 VDC
- Insulation voltage between channel and bus = 500 V eff
Electrical properties
- Electrical isolation = Channel isolated from bus Channel not isolated from channel
Operating conditions
- Mounting orientation
- Horizontal = Yes
- Vertical = Yes
- Installation elevation above sea level
- 0 to 2000 m = No limitation
- >2000 m = Reduction of ambient temperature by 0.5°C per 100 m
- Degree of protection per EN 60529 = IP20
Ambient conditions
- Temperature
- Operation
- Horizontal mounting orientation = -25 to 60°C
- Vertical mounting orientation = -25 to 50°C
- Derating = -
- Storage = -40 to 85°C
- Transport = -40 to 85°C
- Relative humidity
- Operation = 5 to 95%, non-condensing
- Storage = 5 to 95%, non-condensing
- Transport = 5 to 95%, non-condensing
Mechanical properties
- Note = Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately.
- Pitch = 12.5 +0.2 mm
