📘 ABB PCD237A101 3BHE028915R0101 Profibus DP Master Communication Module — Product Overview
The ABB PCD237A101 (3BHE028915R0101) is a high-performance Profibus DP Master communication module designed for ABB’s modular automation systems. This module provides reliable and real-time communication between PLCs, I/O devices, and field instruments over Profibus DP networks. Engineered for industrial automation, it enables seamless data exchange, reduces system downtime, and ensures deterministic performance in demanding environments.

⚙️ Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PCD237A101 |
| Part Number | 3BHE028915R0101 |
| Product Type | Profibus DP Master Communication Module |
| Country of Origin | Switzerland |
| Bus Interface | Profibus DP, Master mode |
| Baud Rate | 9.6 kbps to 12 Mbps |
| Supported Devices | Up to 126 Profibus slaves |
| Input/Output Data | Up to 244 bytes per cycle |
| Operating Voltage | 24 V DC ±10% |
| Power Consumption | 4 W typical |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Mounting Type | DIN rail or panel mount |
| Dimensions (W x H x D) | 90 mm × 130 mm × 50 mm |
| Weight | 0.5 kg |
| Housing Material | Industrial-grade plastic and metal |
| Color | Light gray |
| LED Indicators | Power, Run, Bus Status, Error |
| Isolation | 500 V galvanic isolation between bus and module |
| Certifications | CE, UL, RoHS |
| Communication Protocols | PROFIBUS DP, Modbus (optional) |
🛠️ Key Features
- Reliable Profibus DP Master: Provides deterministic communication with high-speed data transfer between master and slave devices.
- Wide Device Support: Compatible with up to 126 Profibus DP slave devices for large distributed automation networks.
- Compact and Robust Design: Suitable for panel or DIN rail installation, ensuring durability in industrial conditions.
- Flexible Data Handling: Supports up to 244 bytes of input/output data per communication cycle.
- Diagnostic LEDs: Onboard indicators for quick troubleshooting and status monitoring.
- Galvanic Isolation: Enhances signal integrity and protects against electrical interference.
- Environmental Resilience: Operates reliably across wide temperature and humidity ranges.
🛠️ Installation and Maintenance Guidelines
Installation
- Ensure the system power is switched off before module installation.
- Mount the module on a DIN rail or secure it within a control panel.
- Connect the Profibus DP network cable following standard Profibus wiring and topology guidelines.
- Apply 24 V DC power supply within the specified voltage range.
- Confirm the module is configured as a master in the Profibus network.
Maintenance
- Periodically inspect connectors, cables, and mounting for physical wear or damage.
- Clean module exterior with a dry, lint-free cloth; avoid using solvents.
- Monitor communication status via LEDs or diagnostic software to detect early faults.
- Update firmware if ABB releases new updates for enhanced performance or compatibility.
- Replace module if persistent faults or environmental damage occurs.
🔗 Additional Resources
🔄 Similar Products
| Model | Profibus Support | I/O Capacity | Mounting Type |
|---|---|---|---|
| PCD237A102 | Master | 244 bytes | DIN rail / Panel |
| PCD238A101 | Master | 128 bytes | DIN rail / Panel |
| PCD239A101 | Master | 512 bytes | DIN rail / Panel |
| PCD237B101 | Master | 244 bytes | Panel mount |
| PCD237C101 | Master | 256 bytes | DIN rail / Panel |

