Hirschmann RH1-TP/FL – Industrial Ethernet Rail Hub | MICE Platform
Engineering Background
Hirschmann (now part of Belden) has been a cornerstone of industrial networking since the 1990s, pioneering ruggedized Ethernet solutions for process automation, discrete manufacturing, and critical infrastructure. The RH1-TP/FL belongs to the MICE (Modular Industrial Communication Equipment) product family — a platform engineered specifically for deterministic, high-availability Ethernet communication in electrically noisy industrial environments.
Product Positioning
The RH1-TP/FL is a compact, DIN rail-mounted Industrial Ethernet Rail Hub designed for cost-effective segment extension and device connectivity in automation cells. It bridges 10/100 Mbps twisted-pair (TP) and fiber (FL) media, making it ideal for noise-immune backbone uplinks while maintaining copper drop connections to field devices such as PLCs, drives, and I/O nodes. Procurement engineers specify this unit when they need a proven, maintenance-free hub with a small footprint and wide operating temperature range.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Model / SKU | RH1-TP/FL |
| Brand / Manufacturer | Hirschmann (Belden) |
| Product Family | MICE Rail Hub Series |
| Device Type | Industrial Ethernet Rail Hub (Repeater/Hub) |
| Network Standard | IEEE 802.3, IEEE 802.3u (10BASE-T / 100BASE-TX / 100BASE-FX) |
| Data Rate | 10 Mbps / 100 Mbps (auto-sensing per port) |
| TP Ports | RJ-45, 10/100BASE-TX, Auto-MDI/MDIX |
| Fiber Port (FL) | 100BASE-FX, SC or ST connector (model-dependent) |
| Mounting | DIN rail (EN 50022 / 35 mm) |
| Supply Voltage | 24 VDC (18–32 VDC operating range) |
| Power Consumption | ≤ 3 W typical |
| Operating Temperature | -10 °C to +60 °C |
| Storage Temperature | -40 °C to +70 °C |
| Relative Humidity | 10–95 % RH, non-condensing |
| Protection Class | IP20 (panel/cabinet installation) |
| EMC Compliance | EN 61000-4 series; CE marked |
| Vibration / Shock | IEC 60068-2-6 / IEC 60068-2-27 |
| Weight | ~2,400 g (unit + packaging) |
| Dimensions (W × H × D) | Approx. 45 × 75 × 65 mm (housing only) |
| LED Indicators | Power, Link/Activity per port |
| Configuration | Plug-and-play, no software required |
| MTBF | > 200,000 hours (manufacturer data) |
Proven Application Environments
- Discrete Manufacturing: Connecting PLCs, servo drives, and HMIs within a machine cell where fiber uplink eliminates ground-loop interference.
- Process Automation: DCS field-bus extension in chemical, oil & gas, and water treatment plants requiring wide-temperature operation.
- Power Utilities: Substation automation (IEC 61850-compatible topology) where EMC immunity is mandatory.
- Automotive Assembly: Robot controller networks demanding deterministic latency and vibration resistance.
- Building Automation: BACnet/IP and PROFINET device integration in HVAC and access-control panels.
- Transportation Infrastructure: Trackside and tunnel control cabinets with limited space and harsh thermal cycles.
Engineering Advantages
- Media Conversion Built-In: Simultaneous TP and fiber connectivity eliminates the need for a separate media converter, reducing BOM cost and cabinet space.
- Plug-and-Play Operation: No IP address, no configuration software — reduces commissioning time to under 5 minutes.
- Wide Input Voltage Range (18–32 VDC): Compatible with standard 24 VDC industrial power rails without additional regulation.
- DIN Rail Form Factor: Snaps directly onto EN 50022 35 mm rail alongside PLCs and I/O modules for a clean, compact panel layout.
- Hirschmann MICE Ecosystem: Interoperable with RSB, RS, MACH, and PowerMICE switches for scalable network architecture.
- Long MTBF (>200,000 h): Fanless, passive-cooled design minimizes mechanical wear and unplanned downtime.
- CE / EMC Certified: Meets EN 61000-4 immunity standards for deployment in Class A industrial environments.
System Architecture & Signal Flow
In a typical deployment, the RH1-TP/FL sits at the edge of an automation cell. The fiber port (FL) connects upstream to a managed backbone switch (e.g., Hirschmann RS20 or MACH104) via a noise-immune multimode fiber run. The TP ports fan out to field devices — PLCs, variable-frequency drives, remote I/O — over standard Cat5e/Cat6 patch cables. The hub repeats all frames at the physical layer, ensuring transparent protocol support for PROFINET, EtherNet/IP, Modbus TCP, and OPC-UA traffic without any configuration overhead.
For redundant topologies, pair the RH1-TP/FL with a managed switch supporting RSTP/MRP on the backbone ring; the hub segment remains a simple star, keeping field-device firmware requirements minimal.
Sourcing & Quality Verification
- All units sourced through authorized industrial automation distributors or directly from Belden/Hirschmann-certified channel partners.
- Each unit undergoes incoming inspection: label verification (part number, serial, date code), power-on self-test, and port link-up validation before dispatch.
- Original manufacturer packaging, documentation, and warranty card included where available.
- Counterfeit-risk mitigation: holographic labels and PCB markings verified against Hirschmann OEM reference samples.
- Certificate of conformity and test report available upon request for regulated industries (pharma, energy, rail).
Procurement Process
- Confirm Compatibility: Verify fiber connector type (SC vs. ST) and wavelength (850 nm multimode vs. 1310 nm singlemode) matches your existing backbone infrastructure.
- Request Quote: Contact support@konmask.com for volume pricing, lead time, and availability confirmation.
- Place Order: Add to cart and complete checkout, or submit a purchase order via email for net-terms arrangements.
- Shipping: Standard export packaging; DHL / FedEx international express available. HS Code 8517.62 for customs declaration.
- After-Sales: 12-month warranty against manufacturing defects. Technical support via email within 24 business hours.
Technical FAQ
Q: Is the RH1-TP/FL a switch or a hub?
A: It is a Layer 1 repeater hub — all ports share the same collision domain. For segmented, managed traffic, pair it with a Hirschmann RS or MACH series managed switch on the backbone.
Q: What fiber type does the FL port support?
A: The standard variant supports 100BASE-FX over 62.5/125 µm or 50/125 µm multimode fiber up to 2 km. Confirm the exact connector (SC/ST) from the unit label before ordering patch cables.
Q: Can it run PROFINET IRT (isochronous real-time)?
A: No. As a hub, it does not support PROFINET IRT which requires a managed switch with hardware timestamping. It is fully compatible with PROFINET RT (standard real-time) and all other standard Ethernet protocols.
Q: What is the maximum cable length on TP ports?
A: 100 m per segment on Cat5e or better, per IEEE 802.3 specification.
Q: Is 24 VDC the only supply option?
A: The unit accepts 18–32 VDC, covering standard 24 VDC industrial rails. AC-powered variants are not available for this model; use an external DIN rail PSU if required.
Q: Do you provide a datasheet or wiring diagram?
A: Yes. Contact support@konmask.com and reference SKU RH1-TP/FL to receive the official Hirschmann datasheet and installation guide.
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