Application Scenarios
A bottling line OEM in Northern Italy operated a Modicon Quantum PLC network spanning three Modbus Plus rings that linked a filler, a labeller, a case packer, and a shrink-wrapper across a 200 m production hall. The plant’s SCADA historian had outgrown the serial gateway that used to forward Modbus data into the Microsoft Windows host, producing register delays that exceeded the line’s fault-diagnosis window. Replacing the gateway with a workstation equipped with the 416NHM30032A gave the SCADA host a native peer-level seat on the Modbus Plus ring — diagnostic values that had taken seconds to refresh began appearing in under 100 ms, and the OEM could drop a single card into the next six machine builds without changing the plant network.
The 416NHM30032A addresses three chronic pain points in legacy Modbus Plus installations: the difficulty of getting a modern Windows workstation onto a token-ring industrial network without a serial or Ethernet gateway in the middle, the bandwidth ceiling of serial point-to-point links when multiple PLCs must be polled, and the growing scarcity of PC interface hardware for networks that remain operationally sound but whose original interface cards have long been discontinued. Wherever a supervisory computer must exchange deterministic data with Modicon Quantum, Compact, or 984 controllers — SCADA servers, plant historians, operator workstations, QC data collectors, MES gateways — the 416NHM30032A provides the direct PC-side access point.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 416NHM30032A (predecessor: 416NHM30032, non-“A” version) |
| Manufacturer | Schneider Electric / Modicon |
| Product Category | 2-Port Modbus Plus PCI Adapter Card with Drivers |
| Network Interface | Modbus Plus token-ring, 1 Mbit/s over shielded coaxial cable |
| Physical Ports | 2 × independent Modbus Plus channels, each with its own node address |
| Host Bus | 32-bit PCI, 3.3 V and 5 V universal signalling — fits both legacy and modern PC slots |
| Transfer Rate | 1 Mbit/s per port, deterministic token-passing peer-to-peer protocol |
| Network Topology | Token-ring over coaxial cable, up to 64 nodes per segment |
| Driver Package | Supplied with 32-bit Windows device drivers — the “+DRVRS” in the product name |
| Node Addressing | DIP-selectable Modbus Plus node address, 1-64 per port |
| Power Source | Bus-powered from the PCI slot — no external field power required |
| Applications | SCADA servers, operator workstations, historians, MES gateways, QC data collectors |
| Product Status | Discontinued (12 October 2023); replaced by 416NHM30042A Type III PCIe card for new designs |
| Approximate Shipping Weight | 1 lb (~0.5 kg) |
| Country of Origin | France (Schneider Electric / Modicon manufacture) |
