B&R 8I84T400750.010-1
1. Overview
The 8I84T400750.010‑1 is a high-performance fieldbus I/O module from the B&R Automation series, specifically designed for X‑Series control systems. It features a compact DIN‑Rail structure, supporting high-speed and reliable fieldbus communication. It is suitable for industrial scenarios such as machine vision, packaging, printing, and automated production lines.
2. Specifications
| Item |
Details |
| Model |
8I84T400750.010‑1 |
| Power Supply |
24 V DC (supply voltage range: 20 V‑30 V) |
| Operating Temperature |
‑25 °C ~ +70 °C |
| Communication Interface |
EtherCAT (supports 100 Mbps) |
| I/O Quantity |
8 digital inputs (DI) + 4 digital outputs (DO) |
| Input Voltage |
24 V DC (12 V DC optional) |
| Output Voltage |
24 V DC (12 V DC optional) |
| Maximum Current |
DI ≤ 10 mA / DO ≤ 2 A (per channel) |
| Protection Class |
IP20 (for indoor use) |
| Dimensions |
80 mm × 100 mm × 120 mm (Width × Height × Depth) |
3. Product Features
- High-Speed EtherCAT Communication: Cycle time can be as low as 31 µs, meeting real-time control requirements.
- Modular Design: Can be freely combined with other B&R I/O modules for flexible expansion.
- Diagnostic Function: Built-in error indicator lights and online diagnostic information for easy maintenance.
- Anti-Interference Capability: Adopts optocoupler isolation and filter circuits to enhance electromagnetic interference resistance.
- Plug-and-Play: Supports automatic identification and configuration by B&R Automation Studio.
4. Structure and Composition
- Housing: Metal DIN‑Rail mounting base, providing mechanical protection.
- Power Module: Internal voltage stabilization circuit to ensure stable 24 V DC power supply.
- Digital Input Subboard (8 channels): With optocoupler isolation and programmable filtering.
- Digital Output Subboard (4 channels): Relay/SCR output, supporting programmable polarity.
- Communication Chip: EtherCAT master/slave controller, integrated on the PCB.
- Diagnostic Indicator Lights: LEDs display power supply, communication, and error statuses.
5. Application Fields
- Automated Production Lines: Sensing and execution control for packaging, assembly, and handling systems.
- Machine Vision Systems: Trigger signal collection and light control.
- Process Control: Switch control for valves, pumps, and motors.
- Industrial Robots: Rapid response for safety doors, emergency stops, and limit switches.
6. Installation and Maintenance
Installation
- Slide the module into the DIN‑Rail and secure it with screws.
- Connect the 24 V DC power cable, ensuring correct polarity.
- Use shielded twisted-pair cables to connect the EtherCAT port to the fieldbus.
- Connect the digital input/output cables to the corresponding terminals, following the marked colors.
Debugging
- Add the module in Automation Studio; the system will automatically identify it and generate an I/O map.
- Check the communication status, input signals, and output status through the online diagnostic window.
Maintenance
- Regularly check the tightness of terminals to prevent signal failure caused by looseness.
- Observe the indicator lights; if yellow or red alarm lights appear, refer to the diagnostic log for fault troubleshooting.
- Clean the surface of the housing to avoid dust accumulation affecting heat dissipation.

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If you would like to learn more about our products and services, please feel free to contact us at any time!
- Sales Manager : Jinny
- Email : sales5@xrjdcs.com
- Whatsapp/Mobile:+86 15359273791
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ABB 丨 GE 丨Allen Bradley 丨 Honeywell 丨 Emerson 丨 Bently Nevada 丨 Westinghouse
Triconex 丨 Foxboro 丨 ICS Triplex 丨 Hima 丨 Schneider 丨 Yokogawa 丨 Woodward
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Why Xiamen Xingruijia Stands Out for DCS Spare Parts Procurement
As a dedicated provider focusing on the sales of large-scale DCS (Distributed Control System) spare parts, partnering with us means you’ll gain access to a suite of tailored services designed to streamline your equipment maintenance and production processes. Here’s what sets our offerings apart:
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Key Reasons to Choose Xiamen Xingruijia
- Simplified Procurement: Our one-stop shopping solution cuts down on the time and effort you spend sourcing spare parts, letting you focus on core operations.
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