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    Dependable Yokogawa process control hardware is supplied by Apter Power to maintain optimal thermal monitoring performance across demanding industrial automation systems.

NFAR181-S00 S2

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Yokogawa NFAR181-S00 S2 is a 12-channel isolated RTD input module that collects temperature measurement signals for industrial monitoring and control applications.
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Technical specifications for NFAR181-S00 S2

  • Manufacturer:
    Yokogawa
  • Part Number:
    NFAR181-S00 S2
  • Product Family:
    Centum CS-Centum VP
  • Product Type:
    RTD Input Module
  • Stock:
    1
  • Input Channels:
    12
  • Input Type:
    RTD
  • Channel Isolation:
    Isolated Channels
  • Explosion protection:
    US (FM) NI Canada (CSA) NI, ATEX Ex "ec" UKEX Ex "ec", IECEx Ex "ec" ECAS-Ex Ex "ec".
  • Terminal block:
    NFTR8S
  • MIL connector:
    MIL 40 pins
  • Voc (V):
    5.25
  • Isc (mA):
    1.0
  • Ca (µF):
    5.00
  • La (mH):
    100.0
  • Weight:
    0.2 kg
  • Estimated shipping dimensions:
    3.2x10.6x13cm
  • Tariff Code:
    4421999090
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Scenarios Configuration Control

Features:

  • Twelve isolated channels for multi-point RTD signal acquisition.
  • Flexible NFTR8S terminal block and 40-pin MIL connectivity.
  • Multiple hazardous-area certification options for industrial installations.
Industrial temperature monitoring often requires many RTD sensors distributed across machinery and production equipment. Yokogawa NFAR181-S00 S2 consolidates twelve temperature inputs within one module. Electrical isolation between channels helps maintain separation among connected sensor circuits. The configuration supports centralized collection of temperature data from multiple process points. Such capability is valuable for equipment protection, process supervision, and operating condition monitoring.

Connection flexibility simplifies integration into different cabinet and field wiring layouts. Yokogawa NFAR181-S00 S2 supports the NFTR8S terminal block for organized sensor termination. A 40-pin MIL connector also allows connection through compatible cable assemblies. Specified circuit parameters provide a basis for evaluating external wiring and connected RTD circuits. Proper review of capacitance and inductance values supports compliant system engineering.

Temperature input modules may be installed in systems serving standard or hazardous industrial locations. Yokogawa NFAR181-S00 S2 offers several regional and international Ex ec or non-incendive approval options. NFAR181 can also be positioned beside NFAT141 under the stated NFAT141 installation rules. NFAV141 and NFAV144 are additional modules permitted in the same neighboring arrangement. Correct module placement and wiring help maintain stable temperature measurement throughout the control system.

The NFAR181-S00 S2 Yokogawa RTD Input Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Yokogawa NFAR181-S00 S2 RTD Input Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Yokogawa NFAR181-S00 S2 RTD Input Module Specs

General

  • Manufacturer Yokogawa
  • Model NFAR181-S00 S2
  • Condition New Original ready stock
  • Product Family NFAI141-S00 S2,NFAP135-S00 S2,NFAR181-S50 S2
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Boiler Temperature Control: Used for real-time monitoring of multi-point furnace temperature and feedwater temperature in large industrial boilers.
  • Fine Chemical Industry: Commonly used for high-precision closed-loop control of internal temperature in reaction vessels to prevent runaway chemical reactions.
  • Bearing Temperature Measurement: Monitors the temperature of bearings in steam turbines, large fans, and compressors to prevent mechanical wear.
  • Cold Chain Storage: Connects multi-point temperature sensors to refrigerated storage rooms or high-precision constant temperature rooms to achieve environmental quality traceability.
  • Channel Density Configuration: A single module supports up to 16 independent RTD signal inputs.
  • Index Number Wiring Configuration: Flexible support for Pt100, JPt100, and 2-wire or 3-wire wiring.
  • Filtering Time Configuration: Software-adjustable signal smoothing filtering time constant, effectively filtering out high-frequency power frequency interference.
  • Cold Junction Compensation Configuration: Built-in high-precision temperature sensor for perfect automatic cold junction temperature compensation.
  • Signal Sampling Control: Employs a high-performance A/D converter to achieve high-speed 100ms cyclic scanning across all channels.
  • Disconnection Limit Control: Real-time sensor open-circuit and short-circuit diagnosis, triggering system alarms and outputting safe preset values.
  • Zero-Point Full-Scale Control: Supports online software calibration, automatically correcting channel gain and zero-point drift through control registers.
  • Isolation and Protection Control: 1500 V AC isolation is implemented between the channel and the internal logic circuit to control surge impact on the system.
Description
Temperature signals from multiple resistance temperature detectors can be integrated through Yokogawa NFAR181-S00 S2. Twelve isolated input channels allow the module to receive RTD measurements while maintaining electrical separation between individual circuits. The channel arrangement supports organized temperature acquisition in industrial automation systems requiring several measurement points.

Field wiring for Yokogawa NFAR181-S00 S2 can use the NFTR8S terminal block or a 40-pin MIL connector. Electrical parameters include an open-circuit voltage of 5.25 V, a short-circuit current of 1.0 mA, an allowable external capacitance of 5.00 µF, and an allowable external inductance of 100.0 mH. Engineers can use the specified values when checking connected sensors, cables, and installation conditions.

Hazardous-area protection options for Yokogawa NFAR181-S00 S2 include US FM non-incendive, Canada CSA non-incendive, ATEX Ex ec, UKEX Ex ec, IECEx Ex ec, and ECAS-Ex Ex ec approvals. Installation information for the NFAT141 thermocouple module also identifies NFAR181 as a module permitted beside NFAT141. Other permitted neighboring modules include NFAT141, NFAV141, and NFAV144.
Alternative Names
NFARI8I-S00 S2 NFAR181-SOO S2 NFAR181S00 S2 NFAI141-S00 S2 NFAP135-S00 S2 NFAR181-S50 S2 NFBU200-S10 S1 NFDV561-P00 S2
Technical notes
The Yokogawa NFAR181-S00 S2 is a high-density 16-channel RTD input module engineered for CENTUM VP systems, capable of processing dual-type (Pt100/JPt100) sensors with a fast 100 ms scan cycle.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Where can Yokogawa NFAR181-S00 S2 be installed beside an NFAT141 module?
NFAR181 is listed among the modules permitted next to NFAT141, together with NFAT141, NFAV141, and NFAV144.
What electrical circuit values apply to Yokogawa NFAR181-S00 S2?
The specified values are 5.25 V open-circuit voltage, 1.0 mA short-circuit current, 5.00 µF allowable capacitance, and 100.0 mH allowable inductance.
How many input channels are available on Yokogawa NFAR181-S00 S2?
A total of 12 isolated RTD input channels are provided.
Can Yokogawa NFAR181-S00 S2 connect through a terminal block?
Yes. NFTR8S is the specified terminal block for field wiring.

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