Yokogawa AEP7D-21 Primary Power Supply Bus Unit

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Yokogawa AEP7D-21 Primary Power Supply Bus Unit The Yokogawa AEP7D-21, also cataloged as the AEP7D Primary Power Supply Bus Unit,...

SKU: AEP7D-21

Manufacturer: Yokogawa
Product No.: AEP7D-21
Product Type: Power Distribution Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1800g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa AEP7D-21 Primary Power Supply Bus Unit

The Yokogawa AEP7D-21, also cataloged as the AEP7D Primary Power Supply Bus Unit, operates as a dedicated hardware component for multi-rail voltage distribution within CENTUM VP and FIO node cabinet assemblies.

Suffix Breakdown & Model Matrix

The suffix configurations dictate input infrastructure compatibility and physical chassis specifications for this power distribution unit:

AEP7D: Base model designation for primary power supply bus unit with isolated dual-line configurations.
-2: Designates high-voltage utility compliance configured for 220 to 240 V AC nominal inputs.
1: Standard option denoting hardware version matching industrial-grade multi-port terminal configurations.

Hardware Specifications

Parameter	Specification
Model	AEP7D-21
Brand	Yokogawa
Origin	Japan
Weight	1.8 kg
Dimensions	482.6 mm x 43.6 mm x 465.1 mm (1U Rack Footprint)
Operating Temp	-20 deg C to 60 deg C
Power Consumption	Passive distribution loss; internal efficiency up to 85 percent
Input Channels	2 independent inputs (Source A and Source B)
Output Density	7 outputs per source channel (14 total physical ports)
Maximum Current	30 A maximum per output port
Cumulative Power	420 W total output capacity
Voltage Options	plus or minus 15 V, plus or minus 24 V, plus or minus 36 V, plus or minus 48 V
Isolation Rating	1500 V AC between AC input and chassis frame

Redundant Distribution Architecture

The unit executes parallel power routing via isolated internal bus traces, accepting independent electrical feeds from disparate utility or DC distribution rails. Channel-to-channel isolation parameters prevent common-mode faults from transferring cross-talk anomalies or ripple metrics exceeding 10 mVp-p into critical control components. Output termination utilizes specialized MATE-N-LOK physical interfaces, preventing connection degradation under thermal loading or field vibration cycles. The backplane configuration allows balanced current division across 14 separate terminals, ensuring continuous power delivery even in the event of a single incoming line loss.

Frequently Asked Questions

Q: Can single-source inputs be mapped to all 14 output ports simultaneously?

A: Yes. While the architecture enforces a dual-input separation for Source A and Source B, the physical terminal connections can be wired in a parallel bridge configuration if single-source high-current capacity up to 420 W is required.

Q: What are the primary ventilation metrics needed to prevent thermal derating on the bus unit?

A: The passive configuration requires continuous unblocked convection pathways within the 1U rack slot. Forced air velocity must maintain an ambient envelope below 60 deg C when the cumulative module load approaches the 30 A limit per port.

Field Installation Guidelines

Chassis Alignment: Mount the enclosure within standard 19-inch rack frames using designated front-ear brackets, verifying metal-to-metal continuity for safety grounding pathways.
Connector Seating: Insert the factory-molded MATE-N-LOK pins into the distribution interfaces, applying uniform pressure until the plastic locking tabs click to secure the connection against physical stress.
Redundancy Validation: Confirm separate external circuit breakers supply Input A and Input B before deploying power, matching nominal phase parameters across the 220-240 V AC spectrum.
Load Computations: Audit connected FIO node current steps prior to startup, ensuring the combined continuous power consumption metrics do not cross the 420 W total threshold.

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