Choosing a fieldbus gateway for industrial networking often comes down to a simple question: do you need a board that fits into an existing controller, or a standalone unit that attaches to the network? The Delta Tau ACC-72E and the Moxa MGATE 4101-MB-PBS answer that question in different ways, and the $564.01 price gap between them is part of the decision.
Quick Verdict
The Delta Tau ACC-72E is the lower-priced option at USD 404.99, and it is built as a CAN/PROFIBUS interface card. If your setup uses that kind of card, it is the more direct path. The Moxa MGATE 4101-MB-PBS is listed at USD 969.00 as an open-box 1-port fieldbus gateway with 12-48VDC input and RS-232/422/485 serial support. It costs more, but it fits a different physical setup: a self-contained gateway rather than an internal card.
Comparison Table
| Feature | Delta Tau ACC-72E | Moxa MGATE 4101-MB-PBS |
|---|---|---|
| Listed price | USD 404.99 | USD 969.00 |
| Price bar | ||
| Condition | Used | Open box |
| Part number | ACC-72E | MGATE 4101-MB-PBS |
| Form | CAN/PROFIBUS interface card | 1-port fieldbus gateway |
Where Each Product Wins
The Delta Tau ACC-72E wins when the priority is price and the network calls for a CAN/PROFIBUS interface card. It sits at $404.99, which is $564.01 below the Moxa's listed price, so it leaves room in the budget for other control components.
The Moxa MGATE 4101-MB-PBS wins when you need a standalone 1-port gateway rather than a card. Its 12-48VDC input and RS-232/422/485 serial options make it the more flexible bridge for existing serial wiring, and the open-box condition means it has been opened rather than used.
Product Notes
Delta Tau ACC-72E
The ACC-72E is a CAN/PROFIBUS interface card priced at USD 404.99, making it the lower-cost entry point in this pair. It is a used board with a United States origin, and for a control system that already accepts this kind of card, the price leaves meaningful budget for the rest of the panel. The ACC-72E part number gives you a clear identity for cross-referencing. The trade-off is that it is not a standalone gateway: if your application needs the kind of serial connectivity and wide power input called out on the Moxa, this card points in a different direction. Keep the used condition in mind and treat the board as you would any pre-owned control component.
Moxa MGATE 4101-MB-PBS
At USD 969.00, the MGATE 4101-MB-PBS is the higher-priced unit, but it arrives as an open-box 1-port fieldbus gateway with 12-48VDC input and RS-232/422/485 serial support. That combination makes it a strong candidate when the goal is to connect existing serial field devices to a fieldbus network. Its product name identifies it as a 1-port gateway, so it is built around a single connection point, which is an important consideration before you plan for multiple attached devices. For a controller-based CAN/PROFIBUS card approach, this gateway is a different form factor and a larger investment.
Final Choice by Use Case
Choose the Delta Tau ACC-72E for a CAN/PROFIBUS interface card at $404.99 when the budget needs to stay lean and the controller accepts a card.
Choose the Moxa MGATE 4101-MB-PBS for a 1-port gateway with 12-48VDC and RS-232/422/485 support if you need a standalone bridge and can absorb the $969.00 price.
