SAI143-H53/A4D00 Yokogawa FIO Datasheet & Technical Manual

SAI143-H53/A4D00 Yokogawa FIO 16-Channel Analog Input Module

SAI143-H53/A4D00 Yokogawa FIO 16-Channel Analog Input Module

Availability: 20 left in stock

Yokogawa SAI143-H53/A4D00 Analog Input Module Configured for high-density analog signal conditioning within Yokogawa CENTUM VP architectures, the Yokogawa SAI143-H53/A4D00 (SAI143...

SKU: SAI143-H53/A4D00

Manufacturer: Yokogawa
Product No.: SAI143-H53/A4D00
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa SAI143-H53/A4D00 Analog Input Module

Configured for high-density analog signal conditioning within Yokogawa CENTUM VP architectures, the Yokogawa SAI143-H53/A4D00 (SAI143 Analog Input Module) provides direct physical/electrical execution. The module converts 4-20 mA DC current loops and 1-5 V DC voltage inputs into digitized system telemetry via 16 isolated channels across Field I/O (FIO) node units.

Suffix Breakdown & Model Matrix

SAI143: Base analog input module featuring 16 channels with module-level galvanic isolation.
-H: Integrated HART communication protocol support (Release R1.02.00 or higher).
5: Connector interface designed for pressure clamp terminal blocks or MIL cables without explosion protection requirements.
3: Enhanced environmental protection compliant with ISA Standard G3 conformal coating across an operating thermal spectrum from -20 to 70 deg C.
/A4D00: Factory option code specifying dual-redundant pressure clamp terminal blocks for analog field wiring.

Hardware Specifications

Parameter	Specification
Model	SAI143-H53/A4D00
Brand	Yokogawa
Origin	Japan
Weight	0.45 kg (Shipping Weight: 2.5 kg)
Dimensions	130 x 107.5 x 32.8 mm
Operating Temp	-20 to 70 deg C
Storage Temp	-20 to 70 deg C
Operating Humidity	10 to 90% RH (non-condensing)
Power Supply	24 VDC nominal
Power Consumption	0.4 A
Number of Channels	16
Input Signal Types	Current: 4-20 mA DC / Voltage: 1-5 V DC
Digital Resolution	16-bit A/D conversion
Measurement Accuracy	+/-0.1% of span
Input Resistance	Current: 250 ohm / Voltage: >= 2 Mohm
Step Response Time	<= 10 ms
Isolation Voltage	1500 VAC (channel-to-system)
HART Support	HART protocol pass-through (-H suffix)
Conformal Coating	ISA Standard G3 compliant
Terminal Options	Dual-redundant pressure clamp terminal block (/A4D00)
Mounting Type	Rack-mounted in FIO node unit
Certifications	CE, C-Tick, IEC/EN safety standards

Channel-to-Channel Isolation & Cold Junction Compensation

The SAI143-H53/A4D00 features dynamic galvanic isolation rated at 1500 VAC between field-side input circuits and the internal system backplane bus. This isolation barrier prevents potential ground loops and common-mode electrical noise from corrupting high-resolution 16-bit analog-to-digital conversions. When interfaced with temperature transmitters or process sensors, downstream software algorithms manage cold junction compensation (CJC) processing. Furthermore, integrated HART communication channels allow direct pass-through passband digital telemetry alongside standard 4-20 mA DC loops without interrupting real-time process variables.

Frequently Asked Questions

Q: How does the dual-redundant pressure clamp terminal block option (/A4D00) function during hardware failure?

A: The /A4D00 option routes field instrumentation wiring to dual terminal landings connected across redundant SAI143 modules. If the primary module incurs an internal system fault, control system execution switches seamlessly to the secondary redundant module without dropping field loop power or signal acquisition.

Q: Can engineers hot-swap the SAI143-H53/A4D00 module while the FIO bus remains energized?

A: Yes, technicians can perform online hot-swapping inside live FIO rack units. However, field personnel must ensure that dual-redundant module pairs are configured; swapping a standalone simplex module will momentarily interrupt signal acquisition on all 16 associated channels until the replacement module initializes its firmware.

Field Installation Guidelines

Install the SAI143-H53/A4D00 into an authorized slot of an FIO node unit, ensuring the top and bottom latching clips click securely into the backplane chassis. Connect field cables using the dual-redundant pressure clamp terminal assembly, ensuring conductors are stripped to specified lengths and clamped tightly. Keep analog loop lines separated from high-voltage AC power distribution conduits to prevent inductive noise interference. Connect cable shield braids directly to the nearest low-impedance cabinet earth bus bar. Ensure panel enclosures maintain sufficient convection or forced-air cooling to keep ambient temperatures within the -20 to 70 deg C operational rating.

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