Configured for high-density signal acquisition in CENTUM VP and CS distributed control systems, the YOKOGAWA AMM22-S3 (AMM22 Analog Input Module) provides direct physical execution of current and voltage loop monitoring.
| Model | Description |
|---|---|
| AMM22-S3 | Standard 16-channel multi-signal analog input module |
| Parameter | Specification |
|---|---|
| Model | AMM22-S3 |
| Brand | YOKOGAWA |
| Origin | Japan |
| Weight | 0.2 kg |
| Dimensions | 12.7 cm x 2.5 cm x 20.3 cm |
| Operating Temp | -10 deg C to +55 deg C |
| Power Consumption | ~2.5 W |
| Input Channels | 16 (Non-isolated) |
| Input Impedance | 250 Ohm (Current) / >= 1 MOhm (Voltage) |
| Sampling Rate | 100 ms (Data Update Period) |
The AMM22-S3 architecture utilizes a common-ground configuration across its 16 channels, facilitating the processing of 4-20 mA DC or 1-5 VDC signals. When integrating this module into a DCS platform, utilize 4-20 mA HART loop protocol considerations to ensure impedance matching at the 250 Ohm input stage. The module provides system-to-I/O bus isolation, though users must account for the non-isolated channel architecture when designing field-side loop power schemes to prevent common-mode noise propagation.
Q: Does the AMM22-S3 support hot-swapping within the I/O nest?
A: The module is designed for rack-mounted installation. While the physical form factor allows for removal, verify system-level safety protocols regarding loop power before extraction to prevent open-circuit conditions that may trigger an automated burn-out alarm.
Q: How should I configure burn-out detection for mixed signal loops?
A: Burn-out detection is software-configurable per channel. Set the threshold to upscale or downscale based on the specific requirements of the connected field transmitter to distinguish between valid 4 mA minimum signals and actual loop wire breakage.
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