AMM42 S4 YOKOGAWA Analog Input Module

YOKOGAWA AMM42 S4 CENTUM VP 16-Channel Thermocouple Input Module

YOKOGAWA AMM42 S4 CENTUM VP 16-Channel Thermocouple Input Module

Disponibilidad: 99 Quedan en stock

YOKOGAWA AMM42 S4 Analog Input Module The YOKOGAWA AMM42 S4, also cataloged as the AMM42 Analog Input Module, operates as...

Código: AMM42 S4

Manufacturer: Yokogawa
Product No.: AMM42 S4
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 2200g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

YOKOGAWA AMM42 S4 Analog Input Module

The YOKOGAWA AMM42 S4, also cataloged as the AMM42 Analog Input Module, operates as a dedicated hardware component for 16-channel thermocouple signal acquisition and digitization within CENTUM VP FIO subsystem platforms.

Suffix Breakdown & Model Matrix

Model Number	Configuration
AMM42	Base Thermocouple Input Module
S4	S4 Style / Standard Revision

Hardware Specifications

Parameter	Specification
Model	AMM42 S4
Brand	YOKOGAWA
Origin	Japan
Weight	2.2 kg
Dimensions	482.6 mm x 132.5 mm x 3U
Operating Temp	0 deg C to 50 deg C
Power Consumption	0.6 A
Input Channels	16
Resolution	16-bit

DCS Process Control Integration

The AMM42 S4 facilitates precise temperature monitoring by executing integrated cold junction compensation (CJC) for various thermocouple types (K, J, T, E, N, R, S, B). To preserve signal fidelity in industrial electrical environments, the module utilizes channel-to-channel isolation, which prevents ground loops and minimizes susceptibility to electromagnetic interference. The module digitizes sensor inputs via a 16-bit A/D converter and communicates the data to the CENTUM VP Field Control Station (FCS) for centralized monitoring.

Frequently Asked Questions

Q: Is this module compatible with RTD or millivolt signals?

A: No. The AMM42 S4 signal conditioning hardware is exclusively designed for thermocouple inputs. RTD or voltage/current signals require specific alternative I/O modules designed for those signal types.

Q: How is the CJC maintained at the module terminals?

A: The module incorporates a thermal sensor at the terminal board interface. This sensor measures the local terminal temperature, and the module firmware applies the necessary offset correction to the thermocouple millivolt input to achieve standardized temperature readings.

Q: Can this module be installed in a non-redundant configuration?

A: Yes. While the architecture supports redundant dual configurations for high availability, the module functions as a standard input card in single-controller architectures.

Field Installation Guidelines

Confirm the FIO subsystem cabinet is de-energized before mounting the module into the 3U rack.
Terminate all thermocouple extension wires using the appropriate compensation cable corresponding to the specific thermocouple type.
Ensure that the terminal block is securely fastened to minimize temperature gradients that could degrade the accuracy of the cold junction compensation.
Route signal cables in dedicated conduits separate from high-voltage AC lines to minimize induced noise.
Verify the module firmware version aligns with the FCS system configuration during the initial power-on diagnostic sequence.

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