The Honeywell 51202971-111, also cataloged as the 51202971 I/O Link 2 drop cable, operates as a dedicated extender for low-voltage signal distribution within Experion PKS Series 8 DCS architectures.
Hardware Specifications
Parameter
Specification
Model
51202971-111
Brand
Honeywell
Origin
Experion PKS Series 8 / DCS
Weight
Not specified
Dimensions
Not specified
Operating Temp
Industrial ambient range
Power Consumption
Passive cable, no active consumption
Core Function
Extends I/O Link 2 communication
Voltage Rating
12–24 VDC
Number of Drops
3 drops
Application
Distributed Control Systems, Experion PKS Series 8
Channel-to-Channel Isolation
The 51202971-111 cable is designed for channel-to-channel isolation within Series 8 I/O Link 2 networks. By maintaining separation between drop connections, the cable minimizes cross-talk and interference, ensuring stable low-voltage communication across distributed control modules. This isolation is critical in multi-drop configurations where simultaneous signals are routed through shared infrastructure.
Frequently Asked Questions
Q: How many drops does the cable support? A: The cable supports 3 drops for I/O Link 2 extension.
Q: Is shielding included for EMI/RFI protection? A: Yes, the cable construction includes shielding suitable for industrial environments.
Q: Can the cable be used across redundant Series 8 architectures? A: Yes, it is compatible with redundant DCS configurations requiring isolated drop connections.
Field Installation Guidelines
Route the cable along designated trays to avoid mechanical stress.
Ensure shielding braid is grounded at a single point to reduce EMI.
Maintain bend radius within manufacturer’s specification to prevent conductor fatigue.
Verify drop connectors are fully seated before energizing the system.
Label each drop connection for traceability in multi-node installations.
