Yokogawa CPY-C3-AAI543-H MTL Interface Backplane
Manufacturer: Yokogawa
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Part Number: CPY-C3-AAI543-H
Condition：New with Original Package
Product Type: Interface Backplanes
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
MTL CPY-C3-AAI543-H Yokogawa Interface Backplane
Configured for 16-channel isolated analog output signal routing in Yokogawa CENTUM CS 3000 and VP DCS platforms, the MTL CPY-C3-AAI543-H (CPY-C3-AAI543 Interface Backplane) provides direct physical/electrical execution between field wiring isolators and system I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CPY-C3-AAI543-H |
| Brand | MTL / Yokogawa |
| Origin | United Kingdom |
| Weight | 0.85 kg |
| Dimensions | 215 mm x 126 mm x 58 mm |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | 12.8 W maximum |
| Associated Module | Yokogawa AAI543-H (16-Channel 4-20 mA AO) |
| Interface Modules | MTL4546Y x 16 channels |
| Signal Protocol | 4-20 mA DC with HART pass-through |
| System Cable Interface | Dual KS1 multicore cables |
| Redundancy Support | Dual-module redundant I/O backplane topology |
DCS HART Loop & Channel Isolation Characteristics
The backplane incorporates dedicated high-density mounting positions for 16 individual MTL4546Y intrinsic safety isolator modules. Each channel maintains galvanic isolation between field control loops, auxiliary power networks, and internal DCS system circuitry. Integrated pass-through traces preserve bidirectional HART digital communication overlays across the 4-20 mA current loops without signal attenuation. Dynamic impedance matching ensures proper control valve positioner response while minimizing channel-to-channel cross-talk across all 16 outputs.
Frequently Asked Questions
Q: How does the backplane support redundant Yokogawa AAI543-H module configurations?
A: The board routing features integrated diode-ORing logic and dual KS1 connector headers. Consequently, two AAI543-H modules drive the same set of 16 MTL4546Y isolators simultaneously without external transfer relays.
Q: Can individual MTL4546Y isolator modules undergo maintenance while the backplane remains powered?
A: Field technicians can perform hot-swapping on individual MTL4546Y modules during active loop operation. However, removing a module immediately interrupts the 4-20 mA current loop for that specific channel.
Field Installation Guidelines
Install the backplane vertically inside standard industrial control enclosures using standard 35 mm DIN rails or direct panel-mount hardware. Technicians must verify that all 16 MTL4546Y isolator modules snap securely into their respective backplane connectors before energizing the system. Connect dual KS1 system cables directly to the Yokogawa FIO baseplate, taking care to maintain the minimum 50 mm cable bend radius to prevent wire tension.
Route field wiring through dedicated intrinsically safe cable trunks separate from non-IS power circuits. Connect the main earth ground stud on the backplane directly to the cabinet instrumentation ground busbar using a minimum 4 mm sq copper conductor. Verify ground continuity to maintain intrinsic safety galvanic isolation ratings.