Product Details
The YOKOGAWA AMN11, also cataloged as the AMN11 Analog I/O Nest, operates as a dedicated hardware component for mounting and backplane signal interconnection of analog I/O modules within YOKOGAWA CENTUM CS and CENTUM VP control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AMN11 |
| Brand | YOKOGAWA |
| Origin | Japan |
| Weight | 1.9 kg (4 lbs 4 oz) |
| Dimensions | 127 x 203 x 254 mm |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | Passive backplane rack |
| Slot Capacity | 16 module slots |
| Supported Signals | Voltage, 4-20 mA current, RTD |
| System Accuracy | +/-0.1% of full scale |
| System Compatibility | CENTUM CS, CENTUM VP |
Channel-to-Channel Isolation and 4-20 mA HART Signal Integration
The AMN11 nest provides physical module retention and internal backplane signal routing across 16 card slots. Its backplane PCB trace layout supports channel-to-channel isolation principles, preventing ground loop currents across voltage, 4-20 mA loop current, and RTD temperature input paths. The internal bus structure maintains signal integrity during multi-channel data acquisition while supporting HART digital protocol pass-through for smart field transmitters.
Frequently Asked Questions
Q: How many analog I/O modules can be installed into a single AMN11 nest?
A: The AMN11 nest contains 16 physical card slots designed to house compatible Yokogawa analog input and output modules.
Q: Does the AMN11 nest require an independent direct power supply feed?
A: No, the AMN11 operates as a passive backplane assembly that routes power and communication signals provided directly by the control system I/O power bus.
Q: What field instrument signal types are compatible with the AMN11 backplane?
A: The nest backplane routes voltage signals, 4-20 mA current signals, and RTD sensor signals, maintaining a transfer accuracy of +/-0.1% of full scale.
Field Installation Guidelines
Disconnect system backplane power before installing or removing the AMN11 nest structure inside the cabinet. Secure the rack enclosure to the cabinet frame using designated mounting screws to prevent mechanical stress or vibration. Route all field wiring through shielded twisted pairs, terminating shielding drains at a single earth ground point on the main grounding bar. Maintain a minimum separation distance of 100 mm between low-voltage analog signal lines and high-voltage AC 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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