Model Definition

416: Modicon Quantum/legacy communication adapter series

NHM: Modbus Plus (MB+) network interface

30030A: Single-port PCI form factor, hardware revision A

Technical Specifications

Hardware & Interface

Bus Type: PCI (3.3 V / 5 V universal, 32-bit)

Protocol: Modbus Plus (MB+), 1 Mbps baud rate

Port: Single DB9 or terminal-block MB+ port (single-cable connection)

Voltage: 5 V DC from PCI slot (no external power)

Weight: ~0.12 kg

Dimensions: Standard full-height PCI card (122 mm × 80 mm)

Environmental & Compatibility

Operating Temp: -10 °C to +60 °C

Storage Temp: -20 °C to +70 °C

Humidity: 5%–95% non-condensing

OS Support: Windows 98/NT4/2000/XP (32-bit; not compatible with Win10/11)

PLC Compatibility: Modicon Quantum, Micro, Compact, Momentum (legacy MB+ networks)

Performance

Data Transfer: 1 Mbps (Modbus Plus), peer-to-peer messaging

Max Nodes: Up to 64 nodes per MB+ network segment

Plug-and-Play: Auto-detection by OS; no manual IRQ/I/O setup

Core Functions

Network Connectivity: Connects PC directly to Modbus Plus industrial LAN for peer-to-peer communication

Real-Time Data Exchange: High-speed I/O, register, and status data transfer between PC and PLCs

Programming & Diagnostics: Enables ProWORX/Concept software to program, monitor, and troubleshoot Modicon PLCs

Redundancy Support: Works with MB+ redundant networks for fault-tolerant systems

Application Scenarios

Legacy Modicon PLC system maintenance (Quantum/Micro/Compact)

PC-based HMI/SCADA for Modbus Plus networks

Industrial data logging and real-time process monitoring

PLC programming and commissioning with ProWORX/Concept tools

Retrofit projects integrating modern PCs into legacy MB+ automation systems

Usage & Maintenance

Install in a 3.3 V/5 V PCI slot; secure with bracket

Install Schneider Modbus Plus driver software for Windows XP/2000

Connect MB+ cable to DB9 port; terminate network properly (120 Ω)

Keep card dry and dust-free; avoid static discharge during handling

For modern OS migration, upgrade to Ethernet-based adapters (e.g., Modbus TCP)