Hitachi EH-150 Precautions on External Wiring, Figure .1 Wire Separation by Conduits or Ducts

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9. Mounting

9.4 Precautions on External Wiring

Because the external wiring of the EH-PT4 handles fine signals, be sure to use a shielded wire to suppress the influence of external noise and place the wire separately from the power line and signal line of different voltage.

Wiring cable (shielded wire) of EH-PT4 module

300 mm or more

Other signal cables

Power cable

Wiring cable (shielded wire) of EH-PT4 module

Metallic conduit

Note) Weld joints of metallic conduits and ground the welded metallic conduits. (Grounding in accordance with local legal requirements)

Figure. 9.1 Wire Separation by Conduits or Ducts

Caution

Use an external power supply which the over current protection character is as below

Output voltage

Over current detection

Load current

Figure. 9.2 Over current protection character

9-2

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Contents Hitachi Programmable Controller Page Limited Warranty and Imitation of Liability Page Safety Precautions Required Prohibited V i s i o n N t e n t T e Table of contents Appendix 12-1 B l e 1 R e f e r e n c e M a n u a l l i s t C u m e n t N t r o d u c t i o nN t e n t s A n t i t y E f o r e U s eE a t u r e s R e c a u t i o n s o n U s eStructure and Name of Each Part Structure and NameplateSpecification SpecificationSpecification list Terminal layout and internal circuit Internal Block Diagram Block DiagramExternal Wiring External WiringSetting of temperature range SettingTemperature rage setting Setting switchG u r e 7 O l l e c t i o n o f T e m p e r a t e D a t aI / O a l l o c a t i o n H7FFF Temperature DataB3 b2 b1 b0 Example of Calculation F8CC 1 Pt100 -50 to +400 ºC range Temperature conversion data1Pt100 -20 to +40 range E a s u r e d T e m p e r a t u r e R a n g e o v e r Error D e t e c t i o n P r o c e s s i n gA m p l e o f p r o g r a m Error Detection ProcessingO u n t i n g InstallationO u n t i n g M e t h o d A i n t e n a n c e a n d I n s p e c t i o nFigure .1 Wire Separation by Conduits or Ducts Precautions on External WiringV i c e X a m p l e o f P r o g r a m m i n gX a m p l e o f P r o g r a m m i n g R003 10-3 Offset error Temperature conversion data Example of Programming 2 Offset adjustmentAllocation Error 41 is indicated in CPU TroubleshootingData Error in a Specific Channel Data Error in All ChannelsReference Calculation of External Wiring ResistanceAppendix

EH-150 specifications

The Hitachi EH-150 is a robust and versatile hydraulic excavator, designed to meet the demands of various construction and mining environments. Known for its reliability and advanced technology, the EH-150 is a favorite among contractors looking for efficiency and performance.

One of the standout features of the Hitachi EH-150 is its powerful engine. It is equipped with a fuel-efficient diesel engine that provides ample horsepower for heavy-duty tasks while maintaining lower emissions. This not only ensures compliance with environmental regulations but also contributes to reduced operating costs over time.

The hydraulic system of the EH-150 is engineered for optimal performance. It utilizes advanced hydraulic technologies that allow for precise control and enhanced responsiveness. The system is designed to minimize energy loss, ensuring that more power generated by the engine is converted into effective digging and lifting capabilities. This feature significantly improves productivity on-site.

The excavator boasts a spacious and comfortable cab that enhances operator ergonomics. It includes adjustable seating, air conditioning, and large windows that provide excellent visibility, enabling operators to work efficiently and safely. The user-friendly controls are intuitively laid out, allowing for easy operation and reducing downtime caused by operator fatigue.

Another notable technology integrated into the Hitachi EH-150 is the machine's monitoring system. This system provides real-time data on performance metrics, fuel consumption, and maintenance needs, helping operators and managers to make informed decisions about the machine's operation. This feature not only aids in maximizing productivity but also in extending the lifespan of the equipment.

Durability is another key characteristic of the EH-150. The excavator features a sturdy track and a reinforced frame, designed to withstand the rigors of demanding jobsites. Its heavy-duty undercarriage provides stability and support, allowing it to operate effectively on uneven terrain.

In summary, the Hitachi EH-150 hydraulic excavator is a powerful, efficient, and technologically advanced machine. With its robust engine, precise hydraulic system, comfortable operator environment, and real-time monitoring capabilities, the EH-150 stands out as an exceptional choice for those in need of reliable and high-performance excavation solutions. Its durability and user-friendly features further make it a preferred option in the competitive construction and mining industries.