Honeywell 51204120-400 Fieldbus Communication Cable
Honeywell 51204120-400 Fieldbus Communication Cable
The Honeywell 51204120-400, also cataloged as the 51204120 shielded fieldbus cable, serves as a pre-terminated communication assembly for high-integrity signal transmission in Honeywell process automation systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51204120-400 |
| Brand | Honeywell |
| Origin | USA |
| Weight | Not specified |
| Dimensions | Cable length 10 m (32.8 ft) |
| Operating Temp | -40 to +80 deg C |
| Storage Temp | -50 to +90 deg C |
| Power Consumption | Passive cable assembly |
| Core Function | Fieldbus communication cable |
| Conductor Material | High-purity copper |
| Cable Type | Shielded twisted pair (STP) |
| Shielding | Dual-layer foil and braid |
| Insulation | Industrial-grade PVC |
| Outer Jacket | PVC / TPE heavy-duty jacket |
| Flexibility Rating | High, for cabinet/tray routing |
| Connector Type | Factory pre-terminated connectors |
| Operating Voltage | Up to 300 V |
| Noise Immunity | EMI/RFI suppression |
Channel-to-Channel Isolation
The 51204120-400 cable employs a shielded twisted pair (STP) design with dual-layer foil and braid shielding. This structure ensures channel-to-channel isolation and minimizes electromagnetic and radio-frequency interference. The high-purity copper conductors maintain low resistance, while the heavy-duty PVC/TPE jacket provides mechanical durability in industrial environments.
Frequently Asked Questions
Q: What does the suffix “-400” indicate? A: It specifies the cable length of 10 meters (32.8 ft).
Q: Can the cable be used in dynamic routing applications? A: Yes, the high flexibility rating allows installation in trays and cabinets with frequent bends.
Q: What shielding method is used? A: Dual-layer shielding with foil and braid provides enhanced EMI/RFI suppression.
Field Installation Guidelines
- Route the cable in trays or conduits to minimize mechanical stress.
- Maintain shield continuity and ground at a single point to prevent ground loops.
- Avoid parallel routing with high-voltage lines to reduce induced noise.
- Verify connector seating before energizing the system.
- Inspect jacket integrity to ensure flame-retardant and moisture-resistant performance.
Honeywell 51204120-400 Fieldbus Communication Cable
