ATOP MB5901 Rugged Serial to Ethernet Modbus Gateway
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The MB5901 is a 1-port industrial secure Modbus TCP/RTU/ASCII gateway with two 10/100 Mbps RJ45 Ethernet ports supporting IEEE 802.1D-2004 RSTP redundancy. It adds IPsec or OpenVPN tunnelling with throughput up to 37.9 Mbps, one software-selectable RS-232/422/485 serial port to 921,600 bps, and operates from -40°C to 85°C. PoE-powered models to IEEE 802.3af are available.
Ethernet connector portsRJ45 x 2 (dual-port, with 802.1D-2004 RSTP redundancy)
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- Ships from the UK
- UK & EU delivery, quoted with your price
- Pay by card or invoice
- Manufacturer's warranty
Questions about this product? Call our UK team: 023 9223 3611
Description
1‑Port Industrial Secure Modbus TCP/RTU/ASCII Gateway, DIN‑rail mount, wide‑temperature.
Modbus Gateway supports the four most commonly used communication standards, RS-232/485/422, and Ethernet. The ease-ofuse configuration utility provided with Modbus Gateway can quickly select the hardware interface , and easily switch to the existing communication infrastructure. Industrial EMC protection and wide temperature operation capability make MB5901 ready for every mission. And if cabling is an issue, the PoE-powered version can allow MB5901 to be powered through PoE.
MB5901 specifications
| Serial ports | 1 |
|---|---|
| Serial connector | D-Sub9 RS-232/422/485 software selectable (DB models) or 5.08mm 5-pin terminal block (TB models) |
| Ethernet ports | RJ45 x 2 |
| Ethernet standards | IEEE 802.3 10BaseT; IEEE 802.3u 100BaseT(X); IEEE 802.3af (PoE, -PoE version only) |
| Baud rate | 1,200 ~ 921,600 bps software selectable |
| Data bits / stop bits | 5, 6, 7, 8 / 1, 2 software selectable |
| Flow control | None, Xon/Xoff, RTS/CTS |
| USB | USB 2.0, USB A Type |
| Modbus modes | Ethernet: Modbus TCP server/client (or VCOM); Serial: Modbus RTU/ASCII (master/slave) |
| Maximum clients/slaves | Modbus TCP: maximum 16 clients; maximum 32 slave connections |
| VPN | OpenVPN client/server or IPsec (peer-to-peer or peer-to-side), up to 37.9Mbps throughput |
| Network protocols | IPv4, ICMP, TCP, UDP, DHCP Client, SNMPv1/v2c/v3, HTTP, HTTPS, Telnet, SMTP/TLS, PPTP, RFC2217, 802.1D-2004 RSTP |
| Configuration | Atop Management Utility, Web UI, Telnet |
| Input voltage | 9 - 48VDC (non-PoE models); or through Ethernet cable (PoE versions) |
| Input current | 0.65 A @ 9VDC |
| Power consumption | Approximately 6 W (max) |
| Reverse polarity protection | Yes |
| Housing | IP30 SPCC housing |
| Dimensions (W x H x D) | 32 x 110 x 90 mm (1.26 x 4.33 x 3.54 in) |
| Weight | 400 g |
| Installation | DIN-Rail, wall mount (optional kit) |
| Operating temperature | -40°C~85°C (-40°F~185°F) |
| Storage temperature | -40°C~85°C |
| Ambient relative humidity | 5%~95%, 55°C (non-condensing) |
| Safety | EN60950-1:2006; EN62368-1 |
| MTBF | 21.16 years (MIL-HDBK-217F-based prediction) |
| Warranty | 5 years |
Specifications taken from the manufacturer datasheet.
Which version do I need?
Four ordering variants: MB5901-DB (1P1MB5901DB001G, DB9), MB5901-TB (1P1MB5901TB001G, TB5), MB5901-PoE-DB (1P1MB5901DB003G) and MB5901-PoE-TB (1P1MB5901TB003G). All have 2 Ethernet ports and 1 serial port; only the -PoE models can be powered through the Ethernet cable (IEEE 802.3af).
Typical applications for the MB5901
- Remotely accessing Modbus RTU/ASCII devices over the internet through an IPsec or OpenVPN tunnel
- Modbus TCP to Modbus RTU/ASCII conversion at a single serial device
- Installations where cabling is a constraint and the gateway is powered by 802.3af PoE
- LANs needing RSTP link redundancy on the gateway itself
- VirtualCOM redirection for existing Windows or Linux serial applications
- Wide-temperature cabinets from -40°C to 85°C
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MB5901 — frequently asked questions
Can the MB5901 be powered over Ethernet?
Yes, on the -PoE ordering variants, which are powered through the Ethernet cable to IEEE 802.3af. Non-PoE models take 9-48 VDC on a 3-pin 5.08 mm lockable terminal block, drawing 0.65 A at 9 VDC, approximately 6 W maximum.
What VPN does it support and how fast is it?
OpenVPN client/server or IPsec VPN, peer-to-peer or peer-to-side, with up to 37.9 Mbps VPN throughput. PPTP and SMTP/TLS are also listed.
Why does it have two Ethernet ports?
The two RJ45 ports support embedded IEEE 802.1D-2004 RSTP redundancy, so a backup Ethernet link can take over if the primary link is lost.
How many Modbus connections does it handle?
A maximum of 16 Modbus TCP clients and a maximum of 32 slave connections, with bi-directional Modbus TCP/RTU/ASCII conversion from serial to Ethernet and back.
How harsh an environment can it take?
Operating temperature is -40°C to 85°C at 5% to 95% relative humidity (non-condensing at 55°C), in an IP30 SPCC metal housing, 32 x 110 x 90 mm, 400 g, DIN-rail or optional wall-mount kit.
How much does the ATOP MB5901 Rugged Serial to Ethernet Modbus Gateway cost in the UK?
The ATOP MB5901 Rugged Serial to Ethernet Modbus Gateway is supplied to order and priced on application. Send a quote request and we confirm the price and lead time in writing, usually the same working day. No account is needed. Indiott is a UK distributor invoicing with VAT (PSI Technologies Ltd, VAT GB 730 2340 83).
What is the lead time and delivery cost for the ATOP MB5901 Rugged Serial to Ethernet Modbus Gateway?
The ATOP MB5901 Rugged Serial to Ethernet Modbus Gateway is supplied to order. We confirm the lead time in writing with your quote, before you commit to anything. UK delivery is a flat £14.25 per order ex VAT, whatever the weight or how many items you order. We ship to GB and the EU and provide a VAT invoice with every order.
