Overview
The Yokogawa AMM32-S3 Digital Input Module is a high-precision signal interface designed for process automation and industrial control applications. It accurately captures discrete input signals from field devices, ensuring real-time and reliable data acquisition. Engineered with Yokogawa’s advanced control technology, the AMM32-S3 enhances system responsiveness while maintaining superior noise immunity. Moreover, its compact design, hot-swappable capability, and long operational lifespan make it an excellent choice for both new installations and system upgrades in distributed control environments.
Technical Specifications
| Parameter |
Description |
| Model |
AMM32-S3 |
| Manufacturer |
Yokogawa Electric Corporation |
| Function |
Digital Input Module |
| Input Channels |
32 channels |
| Input Type |
Contact or voltage input |
| Rated Input Voltage |
24 V DC nominal |
| Input Resistance |
Approx. 4.7 kΩ |
| Isolation |
Channel-to-bus optical isolation |
| Sampling Speed |
1 ms or faster |
| Logic “1” Level |
15–30 V DC |
| Logic “0” Level |
0–5 V DC |
| Power Supply |
Supplied from system backplane |
| Power Consumption |
Approx. 3.5 W |
| Operating Temperature |
0 to 55°C (32 to 131°F) |
| Storage Temperature |
-20 to 70°C (-4 to 158°F) |
| Humidity Range |
10% to 90% RH, non-condensing |
| Mounting Type |
Rack-mounted, hot-swappable |
| Dimensions |
Approx. 120 mm × 30 mm × 130 mm |
| Weight |
Approx. 200 g |
| Certifications |
CE, UL, CSA, RoHS compliant |
FAQ
Q1: What is the primary function of the Yokogawa AMM32-S3 module?
A1: It captures and processes 32-channel digital input signals from field devices in industrial control systems.
Q2: Is the AMM32-S3 compatible with other Yokogawa control platforms?
A2: Yes, it integrates seamlessly with CENTUM VP, STARDOM, and ProSafe-RS series systems.
Q3: Can the module be replaced while the system is running?
A3: Yes, the AMM32-S3 supports hot-swapping, allowing maintenance without shutting down operations.
Q4: What type of input does this module accept?
A4: It supports both contact and voltage-type digital input signals.
Q5: How does it maintain reliability in harsh conditions?
A5: It uses optical isolation, noise suppression, and robust circuit design to ensure stable operation under industrial environments.
