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Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | NMBP-01 |
| Manufacturer | ABB |
| Spare Part Number | 3BSE004274R1 |
| Product Type | Modbus Plus Adapter Module |
| Drive Compatibility | ABB ACS600, ACS800, DCS600 Series |
| Network Protocol | Modbus Plus (Schneider/Modicon Token Ring, Peer Cop) |
| Data Transfer Rate | 1 Mbps (fixed, MB+ standard) |
| Station Address Range | 1 – 64 |
| Drive Interface | Fiber Optic Link (DDCS, 4 Mbps) to NAMC Control Board |
| Network Connector | 9-pin D-Sub Female (Modbus Plus) |
| Power Supply | 24V DC regulated (external or from drive auxiliary) |
| Power Consumption | ≤ 2W |
| Global Data Support | 3 Groups GD In/Out (configurable via Group 51) |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions (H x W x D) | 171 mm x 35 mm x 140 mm |
| Weight | Approx. 0.20 – 0.26 kg |
| Mounting Type | EN 50022 DIN Rail |
| Product Status | Discontinued / Mature Maintenance Phase |
Main Features and Advantages
Seamless Modbus Plus Integration: The ABB NMBP-01 provides a direct connection between ABB ACS600/ACS800 drives and Modicon Modbus Plus networks, enabling interoperability between two major automation platforms . The module supports standard Modbus Plus features including register read/write (4xxxx Holding Registers and 3xxxx Input Registers), Global Data exchange, and Peer Cop data block transfers . This makes the ABB NMBP-01 an essential component for plants that operate mixed ABB-Schneider control architectures.
Fiber Optic Isolation for Drive Protection: The ABB NMBP-01 employs a 4 Mbps fiber optic link (DDCS protocol) to communicate with the drive’s NAMC control board, providing complete electrical isolation between the fieldbus network and the high-power drive electronics . This robust isolation protects the ABB NMBP-01 and the connected drive from voltage transients, ground loops, and electromagnetic interference prevalent in heavy industrial environments, significantly enhancing overall system reliability.
Flexible Power Supply Options: The ABB NMBP-01 can be powered from the ACS600 drive’s built-in auxiliary 24V DC supply (available on the NIOC board terminal X23) or from an external stabilized 24V DC power source when the drive supply is already in use . This flexibility simplifies installation in both new drive cabinets and retrofit applications where power availability may vary.
Simplified Configuration and Diagnostics: The ABB NMBP-01 is entirely configured through the drive’s CDP-311 control panel, with no internal DIP switches or jumpers to adjust . After setting Parameter 98.2 COMM MODULE to YES, all configuration parameters are accessible in Group 51 (COMM MOD DATA), including station address (1–64), protocol selection, and Global Data mapping . The front panel LEDs provide rapid visual status indication for power, communication activity, and fault conditions, enabling quick troubleshooting .
Global Data for Real-Time Control: The ABB NMBP-01 supports up to three groups of incoming and outgoing Global Data, enabling critical control and feedback values to be exchanged with other nodes on the Modbus Plus network without requiring explicit read/write requests . This feature is particularly valuable for applications requiring deterministic, low-latency communication, such as coordinated drive control in multi-axis systems.
Industrial-Grade Construction: Engineered for harsh environments, the ABB NMBP-01 features a rugged DIN rail mountable enclosure and operates reliably across a wide temperature range (0°C to +50°C ambient) with 5-95% non-condensing humidity tolerance . The module’s design ensures stable performance in manufacturing floors, power plants, and outdoor installations where temperature fluctuations and vibration are common.
