SAV144-S63 Yokogawa Digital Input Module

Yokogawa SAV144-S63 CENTUM VP 16-Channel DI Module

Yokogawa SAV144-S63 CENTUM VP 16-Channel DI Module

Availability: 99 left in stock

Yokogawa SAV144-S63 CENTUM VP Digital Input Module The Yokogawa SAV144-S63, also cataloged as the Yokogawa SAV144 Digital Input Module, operates...

SKU: SAV144-S63

Manufacturer: Yokogawa
Product No.: SAV144-S63
Product Type: Digital Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa SAV144-S63 CENTUM VP Digital Input Module

The Yokogawa SAV144-S63, also cataloged as the Yokogawa SAV144 Digital Input Module, operates as a dedicated hardware component for process monitoring within CENTUM VP and CENTUM CS control system platforms. The terminal infrastructure executes localized loop scanning and acquisition of physical no-voltage dry contact signals to transmit deterministic status updates directly to the central control processor backplane.

Hardware Specifications

Parameter	Specification
Model	SAV144-S63
Brand	Yokogawa
Origin	Japan
Weight	0.5 kg
Dimensions	81 x 103 x 146 mm
Operating Temp	0 to 55 deg C
Storage Temp	-20 to 75 deg C
Power Supply	5 VDC plus/minus 5% via system bus
Power Consumption	Approximately 0.5 A current draw
Input Channels	16 isolated channels
Signal Type	No-voltage contact (Dry contact)
ON Resistance	Less than or equal to 1 kΩ
OFF Resistance	Greater than or equal to 100 kΩ
Input Resolution	16-bit equivalent processing
Isolation Voltage	Optical and electrical isolation across input and system bus

Distributed Control System Galvanic Isolation

The electronic layout incorporates optical and electrical isolation boundaries across all 16 input channels to intercept external common-mode electrical noise before it accesses the system bus. The input detection circuits interface transparently alongside 4-20 mA HART loop protocol architectures, ensuring that high-voltage spikes, field ground loops, or accidental cross-wiring anomalies do not pass into adjacent processing modules. This internal galvanic isolation layer filters electrical transients and limits signal cross-talk to maintain accurate digital state evaluation for critical interlock and alarm parameters.

Frequently Asked Questions

Q: How does the internal controller handle active input channel states during a field wiring break?

A: The hardware logic evaluates input impedance boundaries; when the loop electrical resistance breaks past the 100 kΩ threshold, the internal register establishes a definitive OFF state and sets diagnostic bits to flag an open-loop condition.

Q: Can this specific input card interface directly with active, powered field switches?

A: The hardware terminal paths are engineered exclusively for no-voltage dry contact operations. Connecting external active voltage sources will bypass the internal current-limiting components and risk damaging the channel optocouplers.

Q: What cables are specified to bridge this module to its respective field terminal board?

A: The module physical interface is designed to pair with AKB-series system cables, matching pin-to-pin mapping layouts to maintain signal isolation integrity down to the terminal terminal rail.

Field Installation Guidelines

Chassis Insertion: Align the module with the dedicated slot guides of the CENTUM VP rack assembly. Firmly seat the module to ensure the multi-pin backplane connector engages completely, then tighten the faceplate screws to secure the unit against vibration.
Signal Cable Shielding: Route all external dry contact field wiring through independent low-voltage trays separate from AC power links. Ground the cable shields at a single instrumentation clean earth bus point to prevent electromagnetic interference from distorting input states.
Grounding Verification: Verify the cabinet structural chassis maintains a low-resistance path to the facility central ground bar. Resistance metrics must measure below 1 ohm to ensure transient voltage spikes drain safely away from the internal electronic components.

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