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Yokogawa PW301
Yokogawa PW301

H3C PSR751S

Product Name: Switching Power Supply Module

Product Introduction: PSR751S is 75W hot-swappable power module for network switch equipment.

Technical Specifications: Rated power 75W; Support AC or DC dual input; Output 12V DC; Operating temperature 0℃ ~ 50℃.

Function Features: Hot swap support; 1+1 redundant parallel and current sharing; Overcurrent, overvoltage, overheat, short circuit protection.

Category:
Description

Application Scenarios: Enterprise network switch, industrial network equipment, communication cabinet power backup system.

Material Composition: Metal shell, power conversion circuit, cooling fan, plastic handle.

Structural Features: Front pull-out pluggable structure; Built-in cooling fan; Guide rail positioning.

Working Principle: AC/DC or DC/DC conversion, provide stable 12V power for network mainboard, realize redundant power backup.

Installation Requirements: Insert into power slot of switch; Lock the handle firmly; Keep air inlet and outlet smooth.

Usage Notes: Hot swap only allowed when module status normal; Do not block air vent; Prevent metal foreign body entering module.

PTVME PT-VME330A

Product Name: VME Bus Digital I/O Module

Product Introduction: PT-VME330A is VME bus high density digital input and output module for industrial VME bus control system.

Technical Specifications: 32 digital input channels, 32 digital output channels; Power supply +5V DC; Power consumption less than 5W; Operating temperature -40℃ ~ +85℃.

Function Features: 64 I/O points per module; High reliability wide temperature design; P2 VME bus connector; Surge protection for I/O channel.

Application Scenarios: Automated test equipment, industrial data acquisition, railway control system, aerospace test platform.

Material Composition: PCB circuit board, metal panel, gold-plated VME connector, plastic terminal block.

Structural Features: Standard VME Eurocard board; Front panel fixing; Rear P2 bus connector.

Working Principle: Communicate with VME bus master controller, read digital input signal and drive digital output signal.

Installation Requirements: Insert into VME rack; Tighten front panel screws; Separate signal cable from power cable.

Usage Notes: Do not hot plug in working rack; Protect ESD during handling; Control output load within rated range.

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