Allen Bradley 1757-FIMRTP Fieldbus Interface Module with 24V DC Input and Dual-ring Redundancy
Price:
66USD
MOQ:
1
Delivery Time:
2-3 work days
Brand:
Allen Bradley
Product Description
Allen Bradley 1757-FIMRTP Fieldbus Interface Module
Technical Specifications & Performance
| Question | Answer |
|---|---|
| Does the ±10% tolerance on the 24V DC input allow for direct connection to noisy plant-floor rails? | Negative. While the 1757-FIMRTP consumes a typical 8W, the ±10% window is narrow to protect the H1 segment's signal-to-noise ratio. Using a dedicated, regulated power supply is mandatory to prevent voltage ripples from destabilizing the fieldbus excitation, especially in high-EMI environments. |
| Why are 2x BNC coaxial connectors used instead of standard copper terminal blocks? | Impedance matching. The 5 Mbps link between the 1757-FIM and the RTP demands a shielded, constant-impedance path that standard twisted-pair cannot provide. Coaxial BNC ensures high-speed data integrity for the dynamic cache, preventing packet loss between the chassis and the DIN-rail termination. |
| How does the module react to a physical cable break in the ring topology? | The 1757-FIMRTP supports concurrent bi-directional transmission. Upon detecting a carrier loss on one BNC link, the hardware instantly switches to the secondary path. This "zero-millisecond" recovery ensures the 64-device payload remains online without triggering a controller major fault. |
| Can the 1757-FIMRTP realistically manage 64 devices on a single segment? | While the firmware supports 64 nodes, LAS (Link Active Scheduler) bandwidth is the real constraint. For mission-critical control loops, we recommend capping segments at 12-16 devices. Exceeding this often leads to "stale data" as the 5 Mbps link competes with acyclic client/server messaging for cycle time. |
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I/O Modules
| Module | Description | Key Highlight |
|---|---|---|
| 1746-ITV16 | Digital input module | Flexible signal handling for discrete inputs |
| 1746-OV32 | Digital output module | High-density output for compact control systems |
| 1746-OW4 | Small output module | Compact design, ideal for space-limited racks |
| 1746-OX8 | Output expansion | Scalable module for additional outputs |
| 1746SC-IA8I | Analog input module | Accurate measurement for analog signals |
| 1746SC-NO8I | Digital output module | High-speed switching for safety and control |
PLC / Control Modules
| Module | Description | Key Highlight |
|---|---|---|
| 1747-L531 | Standard PLC | Reliable discrete and process control |
| 1747-L543P | Advanced PLC | Enhanced processing speed for complex applications |
| 1747OC-EBCBA | Compact PLC | Modular design for small-scale automation |
| 1747-OCPCM2 | Control precision module | Supports precise motion and control |
| 1747-OCVGA1 | Graphical interface | Monitor and control operations visually |
| 1747-SCNR | Network router | Seamless integration into ControlNet systems |
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Company
AMIKON LIMITED
Location
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Contact Person
Miya