ABB PU516A Engineering Interface Module
The ABB PU516A Engineering Interface Module serves as the central nervous system for ABB’s advanced automation platforms. This critical component enables seamless data exchange between controllers, HMI systems, and field devices in industrial environments. Designed for mission-critical applications, it ensures uninterrupted process control while enhancing operational efficiency through real-time diagnostics and protocol conversion capabilities.
Technical Specifications
| Brand | ABB |
| Model | PU516A |
| Dimensions | 15.2 cm x 5.1 cm x 35.6 cm |
| Weight | 0.4 kg |
| Input Voltage | 24 VDC |
| Compatibility | ABB AC 800M controllers, S800 I/O modules |
| Protocol Support | Modbus TCP, PROFIBUS, OPC UA |


Industrial Applications
The PU516A module excels in complex automation environments including:
- Power generation control systems
- Chemical processing DCS networks
- Manufacturing execution systems (MES)
- Water treatment SCADA integrations
Commonly paired with ABB’s S900 I/O cards, AC 800M controllers, and Advant OCS operator stations. For custom configuration requirements, contact our engineers via WhatsApp for compatibility verification.
About Hong Kong Saul Electric
As ABB-certified partners with 15+ years of industrial automation expertise, Hong Kong Saul Electric Co., Ltd. maintains Asia’s largest inventory of specialized control components. Our unique capability to source discontinued and hard-to-find modules ensures minimal production downtime for critical operations.
Our Commitment:
- All products include 12-month performance warranty
- Pre-sales technical consultation with certified automation engineers
- Expedited global shipping with real-time tracking
- Direct manufacturer sourcing for obsolete components
For pricing details or custom requirements:
Email: 3931184055@qq.com
Technical Support: +86 180 3027 4832 (WhatsApp)




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