Product Details
The YOKOGAWA AAM51 S1, also cataloged as the AAM51 Current/Voltage Output Module, operates as a dedicated hardware component for direct process output driving of valves and actuators within YOKOGAWA CENTUM system networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AAM51 S1 |
| Brand | YOKOGAWA |
| Origin | Japan |
| Weight | 1.5 kg |
| Dimensions | 2.2 cm x 12.4 cm x 12.6 cm |
| Operating Temp | Not Specified |
| Power Consumption | 38 mA or lower (24.0 VDC), 10 mA or lower (5.0 VDC) |
| Rated Output Range | 4 to 20 mA DC |
| Output Voltage Limit | 25.5 VDC or lower |
| Data Update Period | 2 ms or 22 ms (for step response) |
| Dielectric Withstanding Voltage | 1500 VAC for 1 minute; 42 VDC field-to-system |
| Mounting | Mounted on the nest for I/O adaptor (A2BA3D) |
4-20 mA HART Loop Protocol and Field Signal Interfacing
The AAM51 S1 generates software-configurable 4 to 20 mA DC current signals to drive final control elements such as control valves and positioners across process control loops. The card provides galvanic signal isolation rated at 1500 VAC for 1 minute and 42 VDC between field circuits and system backplane logic, suppressing ground loop currents and common-mode noise propagation. Signal routing operates in conjunction with standard 4-20 mA HART loop protocol field devices across CENTUM node nests.
Frequently Asked Questions
Q: What is the current consumption rating of the AAM51 S1 module?
A: The module consumes 38 mA or lower from the 24.0 VDC supply rail and 10 mA or lower from the 5.0 VDC backplane logic rail.
Q: How is the AAM51 S1 output module physically mounted in the system?
A: The module mounts directly onto an A2BA3D I/O adaptor nest for backplane inter-module connectivity.
Q: What response time configuration options are available for the output signal update?
A: The data update period can be configured to 2 ms or 22 ms depending on system step response requirements.
Field Installation Guidelines
Power down the I/O adaptor nest before installing or removing the AAM51 S1 module. Observe static safety measures by wearing a grounded ESD wrist strap while handling the unit. Align the card with the mounting slots on the A2BA3D I/O adaptor nest and press firmly until backplane connectors seat completely, then fasten retaining hardware to establish solid frame grounding. Ensure output cabling for 4 to 20 mA DC loops uses shielded twisted-pair cables, bonding the shield at a single earth termination point inside the control cabinet. Route signal lines separately from high-voltage AC power conductors.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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