S9341FA Yokogawa ESB Bus Connector Terminator Unit

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Yokogawa S9341FA Enhanced System Bus Termination Resistor The Yokogawa S9341FA, also cataloged as the S9341FA Bus Connector / Terminator Unit,...

SKU: S9341FA

Manufacturer: Yokogawa
Product No.: S9341FA
Product Type: Bus Connector Units
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa S9341FA Enhanced System Bus Termination Resistor

The Yokogawa S9341FA, also cataloged as the S9341FA Bus Connector / Terminator Unit, operates as a dedicated hardware component for signal reflection suppression & impedance matching within CENTUM VP, CENTUM XL, and CS 3000 network platforms. Configured at the physical terminus of an Enhanced System Bus (ESB) line, the unit establishes electrical equilibrium to maintain communication continuity between Field Control Stations (FCS) and remote node hardware.

Hardware Specifications

Parameter	Specification
Model	S9341FA
Brand	Yokogawa
Origin	Singapore
Weight	0.3 kg
Dimensions	32.8 mm x 107.5 mm x 130 mm
Operating Temp	0 to 60 deg C
Power Consumption	Bus-powered via interface connection
Network Protocol	ESB (Enhanced System Bus)
Product Category	Bus Connector / Terminator Unit
Termination Type	Built-in high-precision resistor
Hot-Swap Support	Yes

Process Control & DCS Instrumentation Integration

The unit provides hardware termination utilizing a high-precision resistor matrix optimized for the characteristic impedance of the 4-20 mA HART loop protocol environments and associated higher-level ESB networks. The internal circuitry absorbs residual electrical energy at the bus boundary, preventing transmission signal echoes from distorting active data frames. Channel-to-channel isolation parameters within the node network are maintained via the localized grounding layout of the terminator chassis, ensuring that field-induced transient voltages do not propagate backward along the communication trunk line.

Frequently Asked Questions

Q: Can the S9341FA unit be extracted from a live node without halting station controller processing?

A: The hardware supports hot-swapping during active operation; however, pulling a termination resistor disrupts the characteristic impedance of an active ESB line. Extraction must only occur during planned maintenance windows or when a redundant bus path is fully active to prevent data packet corruption.

Q: Does this component require external 24 VDC auxiliary power wiring?

A: No, the unit derives its necessary signal bias and internal operational references directly through the physical bus interface connection pinout, eliminating the need for independent external power termination.

Field Installation Guidelines

Locate the physical end of the Enhanced System Bus (ESB) node string on the base plate assembly.
Align the S9341FA connector housing with the designated interface slot, pushing firmly until the retaining pins seat completely.
Verify that the bus cable shielding terminates correctly at the module ground junction to preserve high-frequency noise rejection.
Inspect the bus topology parameters in the system software to confirm the termination status registers as active and error-free.

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