Terminal layout and internal circuit | Hitachi EH-150 instruction

3.Specification

3.2 Terminal layout and internal circuit

Terminal layout						Internal circuit
				No.	Signal name
								A0


	PT100 IN EH-PT4					RTD		B0
						RTD
			1)		b0
			1)		b0
1)			2)		B0			b0
1)								b0
2)		10)	3)		b1
		10)	3)		b1
		11)	4)		B1
			4)		B1

3)			5)		b2
		12)

4)			6)		B2				A3
			6)		B2

		13)	7)		b3
5)						RTD			B3
						RTD
		14)	8)		B3
			8)		B3

6)			9)		24V DC+			b3
		15)

7)			10)		A0
			10)		A0

		16)	11)		NC
8)


		17)	12)		A1		24VDC+

9)			13)		NC
9)		18)	13)		NC

			14)		A2



			15)		NC		24VDC-
			15)		NC		24VDC-
			16)		A3
			17)		NC

18)24V DC-

Internal power circuit

Internal current

Note 1) Current terminals and a voltage terminals of unused channels should be wired. By this wiring read data becomes H7FFF.

3-2

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Hitachi EH-150 manual Terminal layout and internal circuit

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.

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 N t r o d u c t i o n 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 E f o r e U s e N t e n t s A n t i t y R e c a u t i o n s o n U s e E a t u r e s Structure and Nameplate Structure and Name of Each Part Specification list SpecificationSpecification Terminal layout and internal circuit Block Diagram Internal Block Diagram External Wiring External Wiring Setting Setting of temperature rangeTemperature rage setting Setting switch I / O a l l o c a t i o n O l l e c t i o n o f T e m p e r a t e D a t aG u r e 7 Temperature Data H7FFF B3 b2 b1 b0 Example of Calculation 1 Pt100 -50 to +400 ºC range Temperature conversion data F8CC 1Pt100 -20 to +40 range Error D e t e c t i o n P r o c e s s i n g 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 Detection Processing A m p l e o f p r o g r a m Installation O u n t i n gO 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 n Precautions on External Wiring Figure .1 Wire Separation by Conduits or Ducts X a m p l e o f P r o g r a m m i n g X a m p l e o f P r o g r a m m i n gV i c e R003 10-3 Example of Programming 2 Offset adjustment Offset error Temperature conversion data Troubleshooting Allocation Error 41 is indicated in CPUData Error in a Specific Channel Data Error in All Channels Appendix Calculation of External Wiring ResistanceReference