The Honeywell 51196742-400, also cataloged as the 51196742 I/O Link Cable Assembly, operates as a dedicated hardware component for physical/electrical interconnection within Honeywell TDC 3000, TPS, and Experion legacy I/O subsystem platforms.
Hardware Specifications
Parameter
Specification
Model
51196742-400
Brand
Honeywell
Origin
USA
Weight
1.5 kg
Dimensions
Fixed length defined by -400 suffix metrics
Operating Temp
-20 to 85 deg C
Signal Type Compatibility
Low-voltage analog and discrete digital I/O signals
Connector Type
Honeywell proprietary keyed connectors
Locking Mechanism
Positive-locking mechanical latch
Shielding Configuration
Overall EMI and RFI multi-core shielding
Process Control Signal Integration
DCS Link Cross-Talk Suppression The internal multi-core conductor arrangement is physically paired and twisted to optimize signal isolation. This geometry limits signal cross-talk between high-density analog loops (4-20 mA HART) and high-speed discrete lines sharing the same physical cable jacket inside congested wire trays.
Shield Termination and Noise Suppression Equipped with a continuous outer foil and braided shield layer, the assembly suppresses high-frequency electromagnetic and radio-frequency noise. The shield termination points are structurally integrated into the factory-molded connectors, providing low-impedance ground bonding when seated into the system chassis.
Frequently Asked Questions
Q: Can the 51196742-400 cable be modified or spliced in the field to adjust its length parameters?
A: No. The cable assembly features factory-crimped and tested terminations designed to maintain stable impedance characteristics and low insertion loss. Cutting or splicing the multi-core cable destroys the factory shielding continuity and voids the system signaling tolerances.
Q: What is the purpose of the proprietary keyed connectors on this assembly?
A: The keyed mechanical moldings prevent incorrect orientation when pinning out to Input/Output Termination Assemblies (IOTA) or I/O Modules (IOM). This protective feature blocks wrong-slot insertion errors that could cross-connect high-voltage power lines with low-voltage analog inputs.
