Product Details
The YOKOGAWA AMN11 S1, also cataloged as the AMN11 Nest for Analog I/O Modules, operates as a dedicated hardware component for analog signal conditioning and galvanic isolation within YOKOGAWA DCS automation networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AMN11 S1 / AMN11-S1 |
| Brand | YOKOGAWA |
| Origin | Japan |
| Operating Temp | -20 to +60 deg C |
| Power Supply | 24 VDC +/-10% |
| Power Consumption | Not Specified |
| Input Signal Range | DC voltage/current (0-10 V, 4-20 mA) |
| Output Signal Range | 4-20 mA DC |
| Measurement Accuracy | +/-0.1% of span |
| Step Response Time | <= 250 ms |
| Dielectric Isolation | 1500 VAC (input to output to power supply) |
| Mounting Method | DIN rail |
Galvanic Isolation and 4-20 mA Loop Signal Conditioning
The AMN11 S1 accepts DC voltage (0-10 V) and DC current (4-20 mA) field inputs, processing them into standard 4-20 mA output signals for downstream automation systems. Built with a 1500 VAC dielectric isolation barrier between input, output, and power supply circuits, the unit suppresses ground loop currents, common-mode noise, and electrical transients. The module maintains a step response time of 250 ms or lower with an analog signal accuracy of +/-0.1% of span, interfacing with instrumentation operating across 4-20 mA HART loop protocol networks.
Frequently Asked Questions
Q: What is the dielectric isolation rating of the AMN11 S1 signal conditioning module?
A: The module provides 1500 VAC galvanic isolation between the input circuits, output circuits, and 24 VDC power supply terminals.
Q: How is the AMN11 S1 hardware mounted inside a control panel?
A: The unit features a DIN rail mounting structure designed for attachment to standard 35 mm DIN rails.
Q: What step response time does the AMN11 S1 achieve during signal conversion?
A: The onboard signal conditioning circuitry maintains a step response time of 250 ms or lower across its full operating temperature range.
Field Installation Guidelines
De-energize the 24 VDC power supply prior to installing, wiring, or servicing the AMN11 S1 module. Mount the unit vertically onto a standard 35 mm DIN rail, verifying that the rail clip engages firmly to prevent physical movement under operational vibration. Maintain spatial separation between signal conductors and high-voltage AC power wiring to avoid electromagnetic interference. Use shielded twisted-pair cables for all 4-20 mA loops, connecting the shield wire to a dedicated earth ground at one panel entrance point only. Confirm that supply power remains within the 24 VDC +/-10% tolerance limit to prevent thermal overhead.
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.
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- 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.
Tech & Buying Guide
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