ABB D-20-0-1102 Bus and Hierarchical Network Module is a high-performance industrial communication module engineered for robust automation systems. It facilitates efficient data exchange across bus and hierarchical network architectures, enabling advanced control strategies in demanding environments. This module excels in applications requiring real-time communication synchronization between PLCs, drives, and control units.
| Specification | Value |
|---|---|
| Manufacturer | ABB |
| Module Type | Process Control Module |
| Operating Voltage | DC 24V |
| Current Consumption | 100mA |
| Communication Protocol | MODBUS RTU |
| I/O Configuration | 8 Digital Inputs, 4 Relay Outputs |
| Relay Rating | 250VAC/24VDC, 10A |
| Protection Class | IP65/IP67 |
| Operating Temperature | -40°C to +85°C |
| Dimensions (W×H×D) | 100 × 90 × 76 mm |
| Weight | 0.3 kg |


Industrial Applications: Designed for harsh industrial environments, this module is ideal for manufacturing execution systems (MES), power distribution networks, and process automation in chemical plants. It seamlessly integrates with ABB AC500 PLCs and compatible HMIs. Common companion modules include ABB D-20-0-1101 I/O modules and D-20-0-1103 communication gateways for extended network capabilities.
Apex Automation provides expert solutions since 2014, specializing in industrial automation equipment with ready-to-ship availability. Our technical team offers comprehensive support:
- Pre-sales technical consultation and system integration advice
- 1-year comprehensive warranty on all components
- Priority troubleshooting and replacement service
- Custom configuration services for specialized requirements
For pricing details or assistance with compatible alternatives, contact our specialists via WhatsApp or email anikaqx@gmail.com. We source hard-to-find industrial components with rapid global shipping.

















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