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ABB SPDSI14 Digital Input Module
ABB SPDSI14 is a modular and plug - in digital input module that provides 16 channels of 48V DC input for the ABB Symphony Plus control system. It is designed for various industrial automation applications, such as pumping stations, conveyor systems, manufacturing machinery, and power distribution systems. It can accurately collect digital signals and transmit them to the control system, providing reliable data support for automated control.
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ABB SPDSI14 Digital Input Module
Specific Parameters
- Number of channels: 16
- Input voltage: 48V DC
- Input range: 24 – 60V DC
- Sensing type: Resistive or capacitive
- Isolation voltage: 1500V DC
- Dimensions: 73.66mm (length)×358.14mm (height)×266.7mm (width)
- Weight: 0.476kg
- Operating temperature range: -20°C to +55°C
- Protection class: IP20
- Communication protocol: Supports Modbus TCP/IP
- Installation method: DIN rail mounting
- Environmental category: WEEE category 5 (Small equipment, external dimensions not exceeding 50cm)
- Battery configuration: No battery required
Product Performance
- Wide voltage adaptation: It can work within a wide voltage range of 24 – 60V DC, adapting to power fluctuations in different industrial environments and ensuring stable equipment operation.
- Reliable isolation design: The 1500V DC isolation voltage effectively isolates the input signal from the control system, enhancing anti – interference ability and improving the accuracy and reliability of signal transmission.
- Convenient installation and maintenance: The DIN rail mounting method is easy to install and disassemble, and no jumpers are required, reducing the workload and complexity of installation and maintenance.
- Visible channel status: Each channel is equipped with an LED indicator, which can intuitively display the working status of the channel, facilitating quick troubleshooting by operators.
- Multiple sensing types: It supports two sensing types, resistive and capacitive, and can be adapted to a variety of sensors to meet the needs of different application scenarios.
- High – stability materials: Made of dielectric – grade PBT plastic, it has good durability and can resist environmental factors such as temperature changes and chemical corrosion, making it suitable for use in harsh industrial conditions.

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