Overview
The ABB DI01 module is part of the Symphony Plus SD Series I/O, a flexible and modular platform for industrial automation. It processes up to 16 digital input signals, each channel being individually isolated and configurable for either 24 VDC or 48 VDC operation. This allows precise monitoring of field devices such as switches, sensors, and contact relays.
The module supports Sequence of Events (SOE) time-stamping with 1 millisecond resolution, making it ideal for applications requiring accurate event tracking. Engineers can configure each input channel using Function Code 224 (Digital Input CH) to set parameters like alarm states, debounce periods, and SOE settings. System-wide parameters are managed via Function Code 221 (I/O Device Definition).
Its compact form factor and robust isolation make it suitable for power generation, chemical processing, and manufacturing automation, where signal integrity and fault tolerance are critical.
Technical Data
| Parameter | Specification |
|---|---|
| Product Model | DI01 |
| System Family | Symphony Plus SD Series I/O |
| Dimensions | 27 mm × 106 mm × 190 mm |
| Weight | 1.25kg |
Typical Applications
The DI01 module is widely used in distributed control systems for monitoring digital signals from field devices. Examples include:
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Power plants: tracking breaker positions and interlock statuses with millisecond precision.
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Chemical plants: monitoring valve positions and emergency stop signals to ensure safe and responsive control.
Its high isolation and configurable input voltage make it suitable for mixed-voltage environments, while its SOE capability supports event-driven automation and fault diagnostics. Engineers value its modular design, easy configuration, and long service life, especially in mission-critical installations.
FAQ
Q1: How many input channels does the DI01 support?
A1: It supports 16 individually isolated digital input channels.
Q2: What input voltages are compatible?
A2: Each channel can be configured for either 24 VDC or 48 VDC.
Q3: Does it support Sequence of Events logging?
A3: Yes, it provides 1 ms resolution SOE time-stamping.
Q4: What isolation level does it offer?
A4: It features 1500 V galvanic isolation between channels and between field and logic.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
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| A: All our new and original products come with a standard one-year warranty. |
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| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
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