The YOKOGAWA AMM52 S4, also cataloged as the AMM52 Analog Input Module, operates as a dedicated hardware component for 32-channel signal acquisition and digitization within CENTUM VP control systems.
| Parameter | Specification |
|---|---|
| Model | AMM52 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 (at 24 VDC) |
| Channel Density | 32 Channels |
| Resolution | 16-bit |
The AMM52 S4 implements 4-20 mA HART loop protocol compatibility to facilitate intelligent device diagnostics alongside primary process variable acquisition. Each channel maintains channel-to-channel isolation to suppress ground loops and electromagnetic interference inherent in long-distance field cabling. Cold junction compensation (CJC) is provided for thermocouple inputs, ensuring precise temperature measurement within the specified accuracy window. The module architecture supports integration into Vnet/IP field control stations, delivering digitized process data for deterministic execution within the controller environment.
Q: Does the AMM52 S4 support field-side power supply for 2-wire transmitters?
A: The module architecture requires external loop power for 2-wire transmitters, as the channel interface is primarily designed for signal measurement and galvanic isolation rather than high-current loop excitation.
Q: How does the module execute cold junction compensation (CJC) for thermocouples?
A: CJC is managed via a dedicated onboard thermal sensing element located at the terminal board interface, allowing the module firmware to apply software-based offset correction to the raw thermocouple millivolt input.
Q: Is the 100 ms update cycle configurable per channel?
A: No, the 100 ms update cycle is a fixed scanning parameter for the module's internal A/D converter sweep across all 32 channels.
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