Model Definition

416: Modicon Quantum communication adapter series

NHM: Modbus Plus (MB+) network interface

30032A: Dual‑port PCI, hardware revision A

Technical Specifications

Hardware & Interface

Bus: PCI 32‑bit, universal 3.3 V / 5 V compatible

Protocol: Modbus Plus (MB+), 1 Mbps

Ports: 2 × DB9 MB+ ports (dual independent channels)

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

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

Weight: ~0.12 kg

Environmental & Compatibility

Operating Temp: −10 °C to +60 °C

Storage Temp: −20 °C to +70 °C

Humidity: 5%–95% non‑condensing

OS Support: Windows 2000/XP/Vista (32‑bit; not Win10/11)

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

Performance

Data Rate: 1 Mbps (Modbus Plus)

Max Nodes: 64 nodes per MB+ segment

Redundancy: Dual‑port supports redundant MB+ networks

Core Functions

Dual‑Port MB+ Connectivity: Two independent MB+ ports for network segmentation or redundancy

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

Programming & Diagnostics: Enables Unity Pro, ProWORX, Concept to program/monitor/troubleshoot Modicon PLCs

Redundant Network Support: Build fault‑tolerant MB+ networks with dual adapters or dual ports

Application Scenarios

Legacy Modicon Quantum/Premium/Momentum system maintenance

PC‑based HMI/SCADA with redundant MB+ connectivity

Industrial data logging and real‑time process monitoring

PLC programming/commissioning with Schneider engineering tools

Retrofit projects requiring dual‑port MB+ in legacy Windows environments

Usage & Maintenance

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

Install Schneider Modbus Plus driver for Windows XP/2000

Connect MB+ cables to DB9 ports; terminate each network segment (120 Ω)

Handle with anti‑static precautions; keep card dry and dust‑free

For modern OS, migrate to Ethernet Modbus TCP adapters