SAI143-H53 Yokogawa CENTUM VP Datasheet & Technical Manual

Yokogawa SAI143-H53 CENTUM VP Analog Input Module

Yokogawa SAI143-H53 CENTUM VP Analog Input Module

Disponibilidad: 20 Quedan en stock

Yokogawa SAI143-H53 CENTUM VP Analog Input Module The Yokogawa SAI143-H53, also cataloged as the SAI143 Analog Input Module, operates as...

Código: SAI143-H53 S2

Manufacturer: Yokogawa
Product No.: SAI143-H53 S2
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Yokogawa SAI143-H53 CENTUM VP Analog Input Module

The Yokogawa SAI143-H53, also cataloged as the SAI143 Analog Input Module, operates as a dedicated hardware component for acquiring 4-20 mA DC transmitter signals within Yokogawa CENTUM VP and CS 3000 DCS platforms. Featuring 16 isolated channels, the unit processes process variables while providing superimposed HART digital communication pass-through for field instrument management. The hardware mounts directly into FIO racks, enabling simultaneous 2-wire transmitter power supply control across all 16 channels with a data update frequency of 40 ms.

Suffix Breakdown & Model Matrix

Suffix Code	Specification	Functional Description
SAI143	Base Model	Analog Input Module (4 to 20 mA, 16-channel, module isolation)
-H	HART Option	Integrated HART communication support [Release: R1.02.00]
5	Connection / Protection	Pressure clamp terminal block or MIL cable; non-explosion-proof
3	Environmental / Temp	ISA Standard G3 conformal coating; extended temperature rating (-20 to +70 deg C)

Hardware Specifications

Parameter	Specification
Model	SAI143-H53
Brand	Yokogawa
Origin	Japan
Weight	1.50 kg net
Dimensions	125 mm W x 130 mm H x 248 mm D
Operating Temp	-20 to +70 deg C (extended range with G3 coating)
Power Consumption	~230 mA at 5 VDC, ~450 mA at 24 VDC (supplied via FIO backplane)
Channel Capacity	16 isolated input channels
Rated Input Range	4 to 20 mA DC
Data Update Frequency	40 ms
HART Communication	Supported on all 16 channels
Isolation Voltage	1500 VAC dielectric withstand between input signal and system bus for 1 minute

4-20 mA HART Loop Protocol & Channel-to-Channel Isolation Integration

The SAI143-H53 combines 16-bit analog-to-digital measurement with real-time 4-20 mA HART loop protocol connectivity across 16 channels. The hardware routes bidirectional HART FSK digital signals over the analog loop, giving central control processors access to field transmitter diagnostics, secondary process variables, and device health status. High-density isolation transformers provide a dielectric barrier rated at 1500 VAC between field loops and the central system bus, protecting the internal logic array against severe ground loops and electrical switching transients.

Frequently Asked Questions

Q: Can transmitter power supply functionality be activated on a channel-by-channel basis?

A: No. The transmitter power supply ON/OFF function operates globally for 2-wire loop configurations across all 16 channels simultaneously.

Q: Which terminal blocks are compatible with dual-redundant SAI143-H53 installations?

A: Dual-redundant configurations require compatible redundant terminal units. Note that terminal model STA4D-0S1 must not be used for dual-redundant pressure clamp wiring.

Q: Is hot-swapping supported for the SAI143-H53 during system operation?

A: In dual-redundant FIO configurations, a faulted SAI143-H53 module can be extracted and replaced while the adjacent module maintains active signal processing without system interruption.

Field Installation Guidelines

Terminal Screw Torque: Fasten all pressure clamp terminal screws to a torque specification between 0.5 and 0.6 Nm to ensure gas-tight wiring contacts.
Cable Shield Grounding: Connect field instrument cable shield braids to the designated cabinet functional earth (FE) ground rail via short copper bonding jumpers.
Wiring Clearance: Maintain a minimum separation distance of 200 mm between low-level analog signal cables and high-voltage AC power wiring to suppress inductive interference.
Rack Ventilation Clearance: Retain at least 50 mm of unobstructed vertical space above and below the FIO chassis assembly to facilitate natural thermal convection.

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