Category: Safety technology > X20 System > Digital input modules
20 safe digital inputs 4 pulse outputs Sink circuit Software input filter configurable for each channel This module is equipped with 20 safe digital inputs.
It is designed for a nominal voltage of 24 VDC.
The module can be used to read various digital signals in safety-related applications up to PL e or SIL 3.
The module is equipped with filters that are individually configurable for switch-on and switch-off behavior.
The module also provides pulse signals for diagnosing the sensor line.
This module is designed for X20 12-pin terminal blocks.
Technical Specifications
Short description
- I/O module = 20 safe type A digital inputs, 4 pulse outputs, 24 VDC
General information
- Diagnostics
- Module run/error = Yes, using LED status indicator and software
- Inputs = Yes, using LED status indicator and software
- Blackout mode
- Scope = Module
- Function = Module functionality
- Standalone mode = No
- Power consumption
- Bus = 0.4 W
- Internal I/O = 1.6 W
- Electrical isolation
- Channel - Bus = Yes
- Channel - Channel = No
- Certifications
- CE = Yes
- UKCA = Yes
- CRA (Cyber Resilience Act) = In preparation
- Functional safety = cULus FSPC E361559 Energy and industrial systems Certified for functional safety ANSI UL 1998:2013
- Functional safety = IEC 61508, up to SIL 3 IEC 62061, up to SIL 3 ISO 13849-1, up to Cat. 4 / PL e IEC 61511, up to SIL 3
- Functional safety = EN 50156-1
- 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 cULus E537419 Engine generator controller
- HazLoc = cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5
- DNV = Temperature: A (0 to 45°C) Humidity: B (up to 100%) Vibration: A (0.7 g) EMC: B (bridge and open deck)
- CCS = Yes
- LR = ENV1
- KR = Yes
- ABS = Yes
- BV = EC21B Temperature: 5 - 45°C Vibration: 0.7 g EMC: Bridge and open deck
- KC = Yes
- B&R ID code = 0xAEC8
- Status indicators = I/O function per channel, operating state, module status
- Additional power dissipation caused by actuators (resistive) [W] = 0.6
Safety characteristics
- Note = See section "Safety characteristics".
I/O power supply
- Nominal voltage = 24 VDC
- Voltage range = 24 VDC -15% / +20%
- Integrated protective function = Reverse polarity protection
Safe digital inputs
- Input filter
- Hardware = ≤150 μs
- Software = Configurable between 0 and 500 ms
- Switching threshold
- Low = <5 VDC
- High = >15 VDC
- Quantity = 20
- Variant = Type A
- Nominal voltage = 24 VDC
- Input characteristics per EN 61131-2 = Type 1
- Input circuit = Sink
- Input voltage = 24 VDC -15% / +20%
- Input current at 24 VDC = Min. 2 mA to max. 3.28 mA
- Input resistance = Min. 7.33 kΩ
- Error detection time = 200 ms
- Insulation voltage between channel and bus = 500 V eff
- Line length between signal source (pulse output or external signal) and input = Max. 60 m with unshielded line Max. 400 m with shielded line
Pulse outputs
- Quantity = 4
- Variant = Push-Pull
- Nominal output current = 50 mA
- Output protection = Shutdown of individual channels in the event of overload or short circuit
- Peak short-circuit current = 25 A for 5 ms, hardware revision D0 and later: 25 A for 15 µs
- Short-circuit current = 100 mA eff
- Leakage current when the output is switched off = 0.1 mA
- R DS(on) = 60 Ω
- Switching voltage = I/O power supply minus voltage drop due to R DS(on)
- Total nominal current = 200 mA
Operating conditions
- Mounting orientation
- Horizontal = Yes
- Vertical = Yes
- Installation elevation above sea level = 0 to 2000 m, no limitation
- Degree of protection per EN 60529 = IP20
Ambient conditions
- Temperature
- Operation
- Horizontal mounting orientation = 0 to 60°C
- Vertical mounting orientation = 0 to 50°C
- Derating = See section "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 2x safety-keyed terminal block separately. Order 1x safety-keyed bus module separately.
- Pitch = 25 +0.2 mm
