ATT4S-00 S2 Yokogawa FIO Series Datasheet & Technical Manual

Yokogawa ATT4S-00 S2 FIO Analog Input Module

Yokogawa ATT4S-00 S2 FIO Analog Input Module

Disponibilidad: 99 Quedan en stock

Yokogawa ATT4S-00 S2 FIO Series Analog Input Module Configured for high-precision temperature and millivolt acquisition in CENTUM VP/CS distributed control...

Código: ATT4S-00 S2

Manufacturer: Yokogawa
Product No.: ATT4S-00 S2
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Yokogawa ATT4S-00 S2 FIO Series Analog Input Module

Configured for high-precision temperature and millivolt acquisition in CENTUM VP/CS distributed control systems, the Yokogawa ATT4S-00 S2 (ATT4S Analog Input Module) provides direct physical/electrical execution. This 16-channel hardware subassembly interfaces directly with field-mounted transmitters, thermocouples, resistance temperature detectors (RTDs), potentiometers, and low-voltage analog sources. The unit maps raw incoming analog voltage and resistance variations into digital process variables while executing localized circuit isolation to maintain measurement fidelity.

Hardware Specifications

Parameter	Specification
Model	ATT4S-00 S2
Brand	Yokogawa Electric Corporation
Origin	Japan
Weight	0.3 kg (Net block assembly: 0.2 kg)
Dimensions	130 x 127.2 x 32.8 mm
Operating Temp	-20 to +70 deg C
Power Consumption	350 mA at 5 V DC
Input Channels	16 isolated analog inputs
Input Signal Types	Thermocouples (Types J, K, E, B, R, S, T, N); RTD (Pt100, JPt100); Potentiometer; mV signals
Input Range	TC: -100 to +1800 deg C (Type dependent); RTD: -200 to +650 deg C; mV: -100 to +150 mV
Reference Junction Compensation	+/- 1 deg C
Accuracy	+/- 40 uV (TC/mV); +/- 150 mOhm (RTD); +/- 0.2% FS (POT)
Response Time / Update Period	<= 1 s typical
Burn-out Detection	Configurable (UP/DOWN), detection time ~60 s
Temperature Drift	+/- 80 uV / 10 deg C
Isolation	500 V AC (Signal-to-system, 1 min); 200 V AC between channels
Storage Temperature	-40 to +85 deg C
External Connection	KS1/KS8 cable interface / Pressure clamp terminal block
Environmental Protection	ISA Standard G3 conformal coating
Certification Code	C3HM04362J TEMP CODE CLI-DIV2 GPS A, B, C, D T4

Process Control & DCS Instrumentation Technical Attributes

The hardware assembly integrates a dedicated 4-20 mA HART loop protocol architecture overlay alongside its multi-signal analog front-end. Channel-to-channel isolation utilizes dedicated physical barriers rated at 200 V AC to prevent localized ground loop currents from destabilizing sensor readings. For precision thermal processing, an embedded cold junction compensation (CJC) network executes real-time reference drift attenuation bounded at +/- 1 deg C. System safety and signal-to-system isolation are maintained by a 500 V AC galvanic barrier that insulates the core FIO backplane bus from external electrical field anomalies. The S2 build includes factory-applied ISA Standard G3 conformal coating, verifying compliance for Class I, Division 2, Groups A, B, C, and D hazardous locations under a T4 temperature code rating.

Frequently Asked Questions

Q: How does the ATT4S-00 S2 handle internal reference junction tracking during external ambient shifts?

A: The module relies on localized embedded thermistors located near the pressure clamp terminals to perform cold junction compensation. The system calculates tracking modifications dynamically, limiting errors to within +/- 1 deg C across the comprehensive -20 to +70 deg C operating window.

Q: What are the backplane load limitations when populated alongside high-density digital modules?

A: The module draws approximately 350 mA from the FIO 5 V DC bus. Plant engineers must compile the cumulative current draw of all modules inside the node slot matrix to verify that the total load does not breach the upper threshold of the local system power supply unit.

Field Installation Guidelines

Mechanical Mounting: Align the base unit with the target slot on the FIO baseplate layout. Press the module home vertically until the rear terminal connection seats completely into the backplane pin assembly, then engage the mechanical locking tabs.
Field Sensor Termination: Connect sensor conductors to the pressure clamp screw terminals. Strip wire insulation back by the factory-recommended length to prevent exposed copper shorts or loose connections within the terminal block.
Shield Shielding and Grounding: Route thermocouple and RTD extension wires through isolated signal wireways. Terminate the overall cable shields at a single point on the local instrumentation earth bar, ensuring you do not create loop circuits with the 500 V AC signal-to-system boundary.
Hazardous Location Verification: For Class I, Division 2 installations, confirm that all external cabling conforms to the strict requirements of the local electrical code before energizing the FIO bus node. Maintain the T4 temperature profile by keeping dust filters clear.

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