B&R X20cDO4332-1
4 digital outputs with 2 A Source circuit 3-wire connections 24 VDC and GND for actuator power supply Integrated output protection OSP mode PWM mode The module is equipped with 4 outputs with 3-wire connections as well as 24 VDC and GND for the actuator power supply. The outputs are designed for a source circuit. The nominal output current is 2 A.
Lifecycle & replacement
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Technical specifications
Short description
| I/O module | 4 digital outputs 24 VDC for 3-wire connections |
General information
| Diagnostics / Module run/error | Yes, using LED status indicator and software |
| Diagnostics / Outputs | Yes, using LED status indicator and software (output error status) |
| Power consumption / Bus | 0.1 W (Rev. <D0: 0.16 W) |
| Power consumption / Internal I/O | 0.49 W |
| Certifications / CE | Yes |
| Certifications / UKCA | Yes |
| Certifications / CRA (Cyber Resilience Act) | In preparation |
| Certifications / DNV | Temperature: B (0 to 55°C) Humidity: B (up to 100%) Vibration: B (4 g) EMC: B (bridge and open deck) |
| Certifications / LR | ENV1 |
| Certifications / KR | Yes |
| Certifications / ABS | Yes |
| Certifications / BV | EC33B Temperature: 5 - 55°C Vibration: 4 g EMC: Bridge and open deck |
| B&R ID code | 0x2A01 |
| Status indicators | I/O function per channel, operating state, module status |
| Additional power dissipation caused by actuators (resistive) [W] | +1 (Rev. <D0: +1.6) |
Digital outputs
| Switching delay / 0 → 1 | <300 µs |
| Switching delay / 1 → 0 | <300 µs |
| Switching frequency / Resistive load | Max. 500 Hz |
| Variant | Current-sourcing FET |
| Nominal voltage | 24 VDC |
| Switching voltage | 24 VDC -15% / +20% |
| Nominal output current | 2 A |
| Total nominal current | 8 A |
| Connection type | 3-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 |
| Actuator power supply | 0.5 A in total for output-independent actuator power supply |
| Diagnostic status | Output monitoring with 10 ms delay |
| Leakage current when the output is switched off | 5 µA |
| RDS(on) | 60 mΩ (Rev. <D0: 100 mΩ) |
| Peak short-circuit current | <4 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 | 0.6 V |
| Insulation voltage between channel and bus | 500 Veff |
| Additional functions | Outputs can be connected in parallel to increase the output current. |
PWM output
| Quantity | 4 |
| Nominal voltage | 24 VDC |
| Nominal current | 2 A |
| PWM frequency | 15.25 to 1000 Hz |
| 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 |
| Variant | Current-sourcing FET |
| Configurable dither | 0 to 250 Hz, 1 to 25% of the period duration |
| Period duration resolution | 1000 to 65535 µs in 1 µs steps |
| Insulation voltage between channel and bus | 500 Veff |
Actuator power supply
| Power consumption / Actuator power supply | Max. 12 W |
| Voltage | Module power supply minus voltage drop for short-circuit protection |
| Voltage drop for short-circuit protection at 500 mA | Max. 2 V |
| Short-circuit proof | Yes |
Electrical properties
| Electrical isolation | Channel isolated from bus Channel not isolated from channel and I/O power supply |
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 0.5°C per 100 m |
| Degree of protection per EN 60529 | IP20 |
Ambient conditions
| Temperature / Operation / Horizontal mounting orientation | -25 to 60°C |
| Temperature / Operation / Vertical mounting orientation | -25 to 50°C |
| Temperature / Derating | See section "Derating". |
| Temperature / Storage | -40 to 85°C |
| Temperature / Transport | -40 to 85°C |
| Relative humidity / Operation | Up to 100%, condensing |
| Relative humidity / Storage | 5 to 95%, non-condensing |
| Relative humidity / Transport | 5 to 95%, non-condensing |
Mechanical properties
| Note | Order 1x terminal block X20TB12 separately. Order 1x bus module X20cBM11 separately. |
| Pitch | 12.5⁺⁰.² mm |
Documentation & CAD
Files hosted by B&R Industrial Automation; links open the official download page.
Datasheets
Manuals
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Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.