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Allen-Bradley 1788-EN2FFR Redundant EtherNet/IP to FOUNDATION Fieldbus H1 Linking Device – Technical Specifications and FAQ
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Model | 1788-EN2FFR |
| Product Name | Redundant EtherNet/IP to FOUNDATION Fieldbus H1 Linking Device |
| Product Type | Industrial network gateway / linking device |
| EtherNet/IP Interface | 2 × RJ45 Ethernet ports |
| Ethernet Cable | CAT5 STP/UTP |
| Fieldbus Protocol | FOUNDATION Fieldbus H1 |
| Fieldbus Interface | 2 sets of H1 media terminals |
| Fieldbus Capacity | Up to 16 field devices |
| Network Redundancy | Supports redundant H1 trunk and redundant linking-device configurations |
| Input Power Supply | 24–32 V DC, 0.75 A, Class 2 / SELV |
| Fieldbus Power | 0.5 A at 24 V DC (single trunk); 0.4 A at 24 V DC (dual trunk) |
| Power Consumption | 260 mA at 24 V DC, without field devices |
| Power Dissipation | 12.24 W at 24 V DC |
| Isolation Voltage | 30 V continuous, basic insulation |
| Mounting | DIN rail |
| Enclosure Rating | Open-style; no IP protection rating |
| Operating Temperature | 0 to +60°C (32 to +140°F) |
| Relative Humidity | 5–95%, non-condensing |
| Temperature Code | T4 |
| Dimensions (H × W × D) | Approx. 137 × 201 × 234 mm (based on distributor-listed dimensions; verify before shipment) |
| Weight | 0.54 kg |
FAQ
FAQ
Q1: What is the Allen-Bradley 1788-EN2FFR used for?
A: It provides a communication gateway between an EtherNet/IP network and a FOUNDATION Fieldbus H1 network, allowing Logix controllers to communicate with process instrumentation.
Q2: What does the “R” in 1788-EN2FFR mean?
A: It identifies the redundant version, which supports redundant network configurations for improved communication availability.
Q3: How many FOUNDATION Fieldbus devices can it support?
A: It can support up to 16 FOUNDATION Fieldbus H1 field devices, subject to network design and power requirements.
Q4: What power supply does the 1788-EN2FFR require?
A: It requires an external 24–32 V DC supply rated at 0.75 A. It also provides FOUNDATION Fieldbus trunk power.
Q5: What Ethernet connection does it use?
A: It uses two RJ45 Ethernet ports and CAT5 shielded or unshielded twisted-pair cable.
Q6: What is its operating temperature range?
A: The specified operating temperature range is 0 to +60°C (32 to +140°F).
Q7: Is the 1788-EN2FFR discontinued?
A: Yes. Rockwell Automation documentation states that it was discontinued on March 1, 2024. The recommended replacement is the Aparian A-FFL/B module.
Q8: What are the dimensions and weight for shipping?
A: A distributor lists approximately 9.21 × 7.91 × 5.39 inches (234 × 201 × 137 mm). The net weight is not confirmed by the manufacturer. Use actual measurements and gross weight for freight quotations.
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Packing & Delivery
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