SAI143-H63/A4S00 YOKOGAWA Analog Input Module

SAI143-H63/A4S00 YOKOGAWA ProSafe-RS Analog Input Module

SAI143-H63/A4S00 YOKOGAWA ProSafe-RS Analog Input Module

Availability: 10 left in stock

YOKOGAWA SAI143-H63/A4S00 ProSafe-RS Analog Input Module Configured for 4-20 mA HART signal acquisition in Yokogawa ProSafe-RS safety systems, the YOKOGAWA...

SKU: SAI143-H63/A4S00

Manufacturer: Yokogawa
Product No.: SAI143-H63/A4S00
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA SAI143-H63/A4S00 ProSafe-RS Analog Input Module

Configured for 4-20 mA HART signal acquisition in Yokogawa ProSafe-RS safety systems, the YOKOGAWA SAI143-H63/A4S00 (SAI143 Analog Input Module) provides direct physical/electrical execution. The hardware reads process variables across 16 isolated channels, converting field currents into digital data while passing pass-through HART diagnostics to connected safety management software.

Suffix Breakdown & Model Matrix

Suffix Code	Functional Description
-H63	Designates high-accuracy execution with integrated native HART protocol communication support
/A4S00	Specifies dual-side conformal coating for protection against corrosive gases and high moisture

Hardware Specifications

Parameter	Specification
Model	SAI143-H63/A4S00
Brand	YOKOGAWA
Origin	Japan
Weight	0.40 kg
Dimensions	130 mm x 120 mm x 30 mm
Operating Temp	-20 to +55 deg C
Power Consumption	600 mA at 5 VDC
Input Channels	16 channels
Signal Range	4-20 mA DC (0-25 mA DC permissible range)
Input Resistance	250 ohm typical
ADC Resolution	16 bits
Accuracy	+/-0.1% of full scale
Isolation	Individual channel-to-channel galvanic isolation

Process Control and HART Communication Integration

The YOKOGAWA SAI143-H63/A4S00 uses individual channel-to-channel galvanic isolation to eliminate ground loop voltage shifts across distributed field transmitters. The 4-20 mA HART loop protocol layer allows the module to extract secondary digital process parameters and field device health data without corrupting primary safety loop analog values. Internal power management circuitry delivers transmitter loop excitation while suppressing electrical surges and high-frequency noise. High-resolution 16-bit analog-to-digital converters process inputs within 100 ms loop response windows to support time-critical interlock execution.

Frequently Asked Questions

Q: Does installing the SAI143-H63/A4S00 module require external HART multiplexers to read field diagnostics?

A: No, the -H63 suffix indicates built-in digital HART pass-through hardware, enabling direct digital parameter extraction over the existing two-wire field loops.

Q: How does the A4S00 option affect physical module installation?

A: The /A4S00 designation indicates factory-applied conformal coating on internal printed circuit board assemblies, protecting components against humidity and corrosive gas exposure without altering external dimensions or connector pinouts.

Q: Can channels process input signals exceeding the standard 20 mA range?

A: Yes, each input circuit accepts a permissible range of 0 to 25 mA DC while maintaining signal linearity and over-current protection.

Field Installation Guidelines

Mount the module vertically inside the chassis card cage to ensure unobstructed natural convection airflow across heat-dissipating components. Route field transmitter cables through shielded twisted pairs and ground the shields at a single dedicated cabinet earthing bus to prevent ground loops. Maintain strict separation between low-level 4-20 mA signal wiring and high-voltage AC distribution lines inside raceways. Before applying 5 VDC backplane power, inspect the rear connector pins for proper alignment to prevent mechanical damage.

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