YOKOGAWA NP53*B Communication PCB Module
The YOKOGAWA NP53*B, also cataloged as the NP53 Communication PCB Module, operates as a dedicated hardware component for high-speed deterministic field bus interface processing within CENTUM DCS Field Control Unit assemblies. It provides direct physical execution of control telemetry over Vnet/IP bus lines to maintain continuous data packet transfer between central processor nodes and system subnodes.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | NP53*B |
| Brand | YOKOGAWA |
| Origin | Japan |
| Weight | 0.4 kg |
| Dimensions | Standard CENTUM Field Control Unit option slot form factor |
| Operating Temp | 0 to 55 deg C |
| Power Consumption | 3 W |
| Network Interface | Vnet/IP Interface |
| System Compatibility | Field Control Unit (FCU), CENTUM VP / CENTUM CS Platforms |
FOUNDATION Fieldbus & Vnet/IP Integration Protocols
The YOKOGAWA NP53*B circuit card manages real-time network traffic while maintaining galvanic signal conditioning across physical interfaces. The module provides downstream FOUNDATION Fieldbus and Profibus PA link termination through isolated bus drivers, preventing field-side voltage fluctuations from affecting central control processing units. Active noise filtering circuitry attenuates ambient high-frequency interference on Vnet/IP serial traces, preserving data frame integrity across long-distance control subnets.
Frequently Asked Questions
Q: How does the NP53*B card handle hot-swapping inside an energized Field Control Unit chassis?
A: Technicians can perform live card insertion or removal provided the host chassis slot power isolation procedures strictly follow Yokogawa guidelines to prevent voltage spikes on the shared system backplane.
Q: What grounding steps preserve Vnet/IP signal transmission through the module interface?
A: Engineers must connect shielded network cables directly to dedicated instrument ground terminals to minimize high-frequency common-mode noise across communication channels.
Field Installation Guidelines
Engineers must seat the YOKOGAWA NP53*B board securely into its designated option card slot within the Field Control Unit chassis, verifying that locking latches engage fully with the rack frame. Route all network transmission cables separately from high-voltage AC power distribution lines to minimize electromagnetic cross-talk. Connect all cable shields to a dedicated single-point instrument ground (IG) terminal. Ensure proper airflow clearance around the module slot to maintain heat dissipation before applying system power.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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