
B&R X20DMF320
I/O module, 16 digital inputs 24 VDC for 1-wire connections
- MPN
- X20DMF320
- Category
- Digital inputs/outputs
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What is the B&R X20DMF320?
16 digital inputs
Sink circuit
2 counter inputs with 40 kHz counter frequency
ABR incremental encoder
Period duration / gate time measurement
16 mixed channels optionally as input or output
Source circuit
Integrated output protection
3 PWM outputs
All channels with 1-wire connections
The module is equipped with 16 inputs and 16 mixed channels , optionally as input or output in 1-wire technology . The outputs are designed for a source output circuit, and the inputs are designed for a sink circuit.
Specifications
Short description
| I/O module | 16 digital inputs 24 VDC for 1-wire connections; 16 mixed channels, 24 VDC input or output for 1-wire connections |
| Interfaces | 1x X2X Link |
General information
| Diagnostics – Module run/error | Yes, using LED status indicator and software |
| Diagnostics – Outputs | Yes, using LED status indicator and software (output state) |
| Power consumption – Bus | 0.04 W |
| Power consumption – Internal I/O | 2.7 W (note: The power consumed externally for operating the module discharges via the GND contact of the power supply module and must therefore be taken into account in the power balance of the power supply module.) |
| Certifications – CE | Yes |
| Certifications – UKCA | Yes |
| Certifications – CRA (Cyber Resilience Act) | In preparation |
| Certifications – UL | cULus E115267; Industrial control equipment |
| B&R ID code | 0x2E86 |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W]Mechanical and electrical configuration" in the X20 System user's manual."> | 0.312 W (note: Number of outputs x R DS(on) x Nominal output current 2 . For a calculation example, see section) |
Digital inputs
| Input filter – Hardware | High-speed inputs: ≤7 μs; Standard inputs and mixed channels: ≤100 μs |
| Input filter – Software | Default 0 ms, configurable between 0 and 25 ms in 0.1 ms intervals |
| Switching threshold – Low | <5 VDC |
| Switching threshold – High | >15 VDC |
| Quantity | 6 high-speed inputs, 10 standard inputs; 16 mixed channels, configuration as input or output using software (note: If a mixed channel is used as a digital input, connecting a push-pull is not permitted.) |
| Nominal voltage | 24 VDC |
| Input characteristics per EN 61131-2 | Type 1 |
| Input voltage | 24 VDC -15% / +20% |
| Input current at 24 VDC | Channels 1 to 6, high-speed inputs: Typ. 3.2 mA; Channels 7 to 16, standard inputs: Typ. 2.4 mA; Channels 17 to 32, mixed channel: Typ. 2.4 mA |
| Input circuit | Sink |
| Connection type | 1-wire connections |
| Input resistance | Channels 1 to 6, high-speed inputs: 7.5 kΩ; Channels 7 to 16, standard inputs: 10 kΩ; Channels 17 to 32, mixed channels: 10 kΩ |
| Additional functions | Channels 1 to 6, high-speed digital inputs:; 2x 40 kHz event counting, 2x ABR incremental encoder, 2x period measurement, 2x gate time measurement, 2x counter latch function |
| Insulation voltage between channel and bus | 1210 VDC |
ABR incremental encoder
| Quantity | 2 |
| Encoder inputs | 24 V, asymmetrical |
| Counter size | 16-bit |
| Input frequency | 40 kHz |
| Evaluation | 4x |
Event counters
| Quantity | 2 |
| Signal form | Square wave pulse |
| Evaluation | Rising edge, falling edge or both edges; The counter is cyclical. |
| Input frequency | 40 kHz |
| Counter size | 16-bit |
Edge detection / Time measurement
| Counter frequency – Internal | 48 MHz, 24 MHz, 12 MHz, 6 MHz, 3 MHz, 1.5 MHz, 750 kHz, 375 kHz, 187.5 kHz |
| Possible measurements | Period measurement, gate time measurement |
| Signal form | Square wave pulse |
| Evaluation | Positive edge - Negative edge |
| Counter size | 16-bit |
| Length of pause between pulses | ≥100 μs |
| Pulse length | ≥20 μs |
Digital outputs
| Pulse width modulation – Period duration | 1 to 65 ms |
| Pulse width modulation – Pulse duration | 0 to 100% |
| Pulse width modulation – Resolution for pulse duration | 0.1% |
| Switching delay – 0 → 1 | ≤300 μs |
| Switching delay – 1 → 0 | ≤300 μs |
| Switching frequency – Resistive load | Standard outputs: Max. 500 Hz; High-speed outputs: Max. 1 kHz |
| Quantity | 13 standard outputs, 3 high-speed outputs; All outputs designed as mixed channels, configurable as inputs or outputs using software |
| Variant | Current-sourcing FET |
| Nominal voltage | 24 VDC |
| Switching voltage | 24 VDC -15% / +20% |
| Nominal output current | 0.5 A per channel; DO 22 and DO 30: Optional 0.5 or 2 A starting with Rev. B1 |
| Total nominal current | 8 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") |
| Diagnostic status | Output monitoring with 25 ms delay |
| Leakage current when the output is switched off | 3 µA |
| R DS(on) | 78 mΩ |
| Peak short-circuit current | 6.95 A |
| Switch-on in the event of overload shutdown or short-circuit shutdown | Approx. 3 ms (depends on the module temperature) |
| Braking voltage when switching off inductive loads | Typ. 53 VDC |
| Insulation voltage between channel and bus | 1210 VDC |
Electrical properties
| Electrical isolation | Channel isolated from bus; Channel not isolated from channel |
Operating conditions
| Mounting orientation – Horizontal | Yes |
| Mounting orientation – Vertical | Yes |
| Installation elevation above sea level – 0 to 2000 m | No limitation |
| Installation elevation above sea level – >2000 m | Reduction of ambient temperature by 0.6°C per 100 m |
| Installation elevation above sea level – Maximum | 4000 m |
| Degree of protection per EN 60529 | IP20 |
Ambient conditions
| Temperature – Horizontal mounting orientation | -25 to 60°C |
| Temperature – Vertical mounting orientation | -25 to 45°C |
| Temperature – Derating | See section "Derating". |
| Temperature – Storage | -40 to 85°C |
| Temperature – Transport | -40 to 85°C |
| Relative humidity – Operation | 5 to 95%, non-condensing |
| Relative humidity – Storage | 5 to 95%, non-condensing |
| Relative humidity – Transport | 5 to 95%, non-condensing |
Mechanical properties
| Dimensions – Width (pitch) | 27.5 +0.2 mm |
| Dimensions – Height | 124 mm |
| Dimensions – Depth | 92 mm |
| Note | Order terminal blocks separately (see section "Order data"). |
Accessories
Required accessories (order separately)
| X20TBS2 | Terminal blocks — Tool-free wiring thanks to push-in technology; Simple wire release using a lever This 4-pin terminal block is used to connect to various B&… |
| X20TBS1 | Terminal blocks — Tool-free wiring thanks to push-in technology; Simple wire release using a lever This 16-pin terminal block is used to connect to various B… |
Downloads & documentation
Official documents from B&R, downloaded directly from the manufacturer.
Data sheets & manuals
CAD & dimension drawings
X20DMF320: frequently asked questions
When can X20DMF320 be shipped?
X20DMF320 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up X20DMF320 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for X20DMF320 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for X20DMF320, subject to availability and destination.
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