SAI143-H53 S3 Yokogawa Analog Input Module

Yokogawa SAI143-H53 S3 ProSafe-RS 16-Channel Analog Input Module

Yokogawa SAI143-H53 S3 ProSafe-RS 16-Channel Analog Input Module

Availability: 10 left in stock

Yokogawa SAI143-H53 S3 Analog Input Module Configured for 4-20 mA current signal acquisition in CENTUM VP and ProSafe-RS platforms, the...

SKU: SAI143-H53 S3

Manufacturer: Yokogawa
Product No.: SAI143-H53 S3
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 810g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa SAI143-H53 S3 Analog Input Module

Configured for 4-20 mA current signal acquisition in CENTUM VP and ProSafe-RS platforms, the Yokogawa SAI143-H53 S3 (SAI143-H53 Analog Input Module) provides direct physical/electrical execution for safety-critical process loops.

Suffix Breakdown & Model Matrix

SAI143: 16-Channel Isolated Analog Input Module (4 to 20 mA)
-H: HART communication protocol pass-through support (HART 5, 6, and 7)
5: Basic module type for non-redundant or dual-redundant configurations
3: ISA Standard G3 conformal coating and extended operating temperature (-20 deg C to +70 deg C)
S3: Style code 3 hardware execution

Hardware Specifications

Parameter	Specification
Model	SAI143-H53 S3
Brand	Yokogawa Electric Corporation
Origin	Japan
Weight	0.81 kg
Dimensions	130 x 45 x 245 mm
Operating Temp	-20 deg C to +70 deg C
Power Consumption	320 mA at 5 VDC, 550 mA at 24 VDC
Input Channels	16 isolated channels (4 to 20 mA DC)
A/D Conversion	16-bit resolution, 40 ms data update cycle
Measurement Accuracy	+/-16 uA over 0.05 to 23 mA input range
Signal Isolation	1.5 kV AC dielectric strength for 1 minute

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

The SAI143-H53 S3 digitizes 4-20 mA signals from transmitters while supplying integrated 2-wire loop power between 16.15 and 26.4 VDC. Dedicated channel-to-channel isolation circuits prevent electrical cross-talk, common-mode ground loops, and field voltage spikes from affecting adjacent measurement paths. Pass-through support for HART 5, 6, and 7 protocols facilitates real-time device health monitoring and diagnostic parameter retrieval without interrupting analog logic processing.

Frequently Asked Questions

Q: What happens to the module input impedance if system power is lost?

A: During powered operation, input impedance remains fixed at 250 ohms. Under power-off conditions, input impedance increases to >=500 kohms to protect connected transmitter loops against loading faults.

Q: Is the SAI143-H53 S3 module certified for use in safety instrumented systems?

A: Yes. The module features ISA G3 conformal coating for harsh environment protection and achieves SIL3 capability when integrated into dual-redundant ProSafe-RS system architectures.

Field Installation Guidelines

Insert the SAI143-H53 S3 module vertically into its assigned rack slot on the base rack, ensuring the top and bottom retention fasteners snap into place. Connect field cables using approved pressure clamp or MIL-spec connector terminal blocks. Ensure all field signal cable shields connect to a dedicated instrument grounding rail at a single point to prevent high-frequency noise from interfering with 4-20 mA analog measurements.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.