![YOKOGAWA AMM12T Yokogawa Module[USED]](https://mlidoo.com/wp-content/uploads/2026/02/138-300x300.jpg)
YOKOGAWA AMM12T Yokogawa Module[USED]
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Yokogawa
Description
Yokogawa AMM12T Voltage Input Multiplexer Module
Core Overview
- Type: Voltage Input Multiplexer Module
- Channels: 16 isolated voltage input channels
- Compatibility: CENTUM CS 1000, CS 3000, VP DCS
- Suffix Meaning:
- T: Terminal‑type connection
- S2: Enhanced hardware revision (current production)
- Status: In production (S2 version)
Key Features
- 16‑Channel Isolation: Each channel isolated from system & other channels (1500 V AC)
- Wide Input Ranges: Supports multiple voltage & temperature inputs
- High Accuracy: Precise measurement for industrial process monitoring
- Fast Update: Data update period up to 10 ms
- Compact Design: Fits standard I/O module nests
- Easy Wiring: Terminal‑block connection (M4 screws)
Technical Specifications
Input Ranges & Performance
| Input Type | Range | Accuracy |
|---|---|---|
| Voltage | -10 to +10 V DC | ±4 mV |
| Millivolt | -100 to +100 mV DC | ±40 μV |
| Thermocouple | -200 to +600 °C | ±0.15 °C |
| RTD | Pt100 (3‑wire) | ±0.15 Ω |
Electrical & Physical
- Input Impedance: 1 MΩ (voltage)
- Allowable Input: -30 to +30 V DC (voltage)
- Isolation: 1500 V AC (1 min) between channels & system
- Update Period: 10 ms (max)
- Power Supply: 5 V DC (from I/O nest)
- Operating Temp: -20°C to +70°C
- Dimensions: 69 × 49 × 85 mm
- Weight: ~523 g
AMM12T vs AMM12T‑S2
- AMM12T: Legacy version (discontinued)
- AMM12T‑S2: Current production, fully backward‑compatible
- Improved component reliability
- Enhanced diagnostics
- Same pinout & wiring; no rewiring needed
Applications
- Process monitoring in oil & gas, power, chemical, and manufacturing
- Multi‑point temperature/voltage data acquisition
- Integration with CENTUM DCS for real‑time process control
Complementary Modules
- AMM12C: Same function, connector‑type (instead of terminal)
- AMM22T: 16‑channel current input multiplexer
- AMM32T: 16‑channel thermocouple/RTD multiplexer

![YOKOGAWA AMM12T Yokogawa Module[USED]](https://mlidoo.com/wp-content/uploads/2026/02/138.jpg)
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![YOKOGAWA AMM12T Yokogawa Module[USED]](https://mlidoo.com/wp-content/uploads/2026/02/138-141x150.jpg)
![YOKOGAWA AMM12T Yokogawa Module[USED]](https://mlidoo.com/wp-content/uploads/2026/02/139-142x150.jpg)
![YOKOGAWA AMM12T Yokogawa Module[USED]](https://mlidoo.com/wp-content/uploads/2026/02/140-137x150.jpg)

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