CP81B*C Yokogawa CENTUM Datasheet & Technical Manual

S9344FA Yokogawa Centum VP Digital Output Terminal Board

S9344FA Yokogawa Centum VP Digital Output Terminal Board

Availability: 10 left in stock

Yokogawa S9344FA System I/O Terminal Board The Yokogawa S9344FA, also cataloged as the S9344FA Digital Output Terminal Board, operates as...

SKU: S9344FA

Manufacturer: Yokogawa
Product No.: S9344FA
Product Type: Digital Output Terminal Boards
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa S9344FA System I/O Terminal Board

The Yokogawa S9344FA, also cataloged as the S9344FA Digital Output Terminal Board, operates as a dedicated hardware component for field wiring termination within Centum VP / Centum CS 3000 infrastructure platforms. The device interfaces field-side discrete loads directly to control system rack components, providing a centralized boundary for electrical distribution and physical cable consolidation.

Layout Configuration Selection: Layout 1

Hardware Specifications

Parameter	Specification
Model	S9344FA
Brand	Yokogawa Electric Corporation
Origin	Japan
Weight	0.3 kg
Dimensions	32.8 x 119.9 x 130 mm
Operating Temp	0 to +60 deg C
Power Consumption	Passive device (Dependent on external loop loads)
Channel Count	32 digital output channels
Terminal Base Type	Vibration-resistant M4 screw terminals
Module Compatibility	ADV551, ADV561, NFDV series digital output modules
Cable Compatibility	AKB331, AKB337 series MIL connector cables
Rated Operational Voltage	24 VDC (+/- 10%)
Maximum Load Current	100 mA per channel
Insulation Resistance	100 MOhm or higher at 500 VDC
Withstanding Voltage	500 VAC for 1 minute
Storage Temperature	-20 to +70 deg C
Humidity Limits	5 to 95% RH (non-condensing)

Process Control & DCS Instrumentation Technical Attributes

This discrete termination assembly handles routing for up to 32 independent output currents, utilizing integrated circuit isolation substrates that exhibit a minimum insulation resistance of 100 MOhm at 500 VDC. The architecture incorporates path configurations that accommodate dual-redundant cabling architectures via dedicated AKB-series MIL connection ports, enabling concurrent signal mapping from parallel ADV digital output modules. By isolating raw circuit ground returns across the terminal array, the physical layout stops common-mode surge energy from bypassing internal backplane filters, maintaining uniform loop potentials throughout the DCS network node.

Frequently Asked Questions

Q: How does this passive board affect the total current calculations of the sourcing I/O rack?

A: The board functions entirely as a passive terminal junction box, adding zero baseline parasitic power draw to the loop; the total consumption metrics depend strictly on the individual 100 mA channel allocations driven by the master ADV modules.

Q: What mechanisms ensure signal continuity if one interface cable becomes disconnected?

A: The board physical layout supports dual-cable routing. When used with a redundant I/O pairing, the secondary AKB interface bus carries the execution states continuously, ensuring zero dropouts during a hardware or connection link break.

Field Installation Guidelines

Enclosure Mechanical Mounting: Secure the assembly to the dedicated internal cabinet rail system, verifying that the 32.8 x 119.9 x 130 mm outline dimensions clear surrounding wiring ducts.
Discrete Field Termination: Land the incoming field lines onto the M4 screw terminals, applying the recommended nominal seating torque to prevent cold flow loosening under heavy continuous vibration.
System Interconnect Seating: Insert the AKB331 or AKB337 interface cables firmly into the backplane MIL plugs, engaging the primary structural retaining clips to inhibit accidental detachment.
Cabinet Ground Optimization: Connect the terminal sub-frame ground point to the designated functional instrumentation earth bus bar using heavy-gauge conductor wire to maintain a low-impedance dissipation pathway.

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