Bosch Rexroth Mobile Hydraulics

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Product Catalog Mobile Hydraulics Axial Piston Units External Gear Units Radial piston motors Mobile Controls Compact Hydraulics Gears Mobile Electronics Accessories Systems Spare Parts Mobile Hydraulics

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Mobile Electronics

Electrohydraulic Hitch Control for Tractors EHR

The electrohydraulic hitch control for tractors is an optimized, complete system consisting of hydraulic and electronic components, specially developed for the harsh conditions experienced in agricultural use.

Features

Different system configurations for tractors of different power classes
EHR-B basic system with modified functionality for tractors with low and medium drive power
SRC14-10 with CAN bus communication and the option for controlling additional functions, e.g. Tractor Valve Control TVC
EHR expansion levels: Automatic Hitch Control AHC, Pressure Relief Control PRC and Hitch Lowering Support HLS

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	Documentation

	EHR control panel
	KMB
	AN2
	PO1
	PR2

EHR Components

Type	Designation	min.	Max. value	Supply
EHR control panel	Control panel	-	-	8 ... 12 V
KMB	Draft	25 kN	150 kN	8 ... 12 V
AN2	Angle sensor	+/- 17°	+/- 44°	8 ... 10,4 V
PO1	Position sensor	-	10 mm	5 ... 12 V
PR2	Pressure sensor	0...160 bar	250 bar	5 V
EHR-B, SRC14-10	Controller	-	-	8 ... 12 V

EHR Functions

Function	Controller with software
	EHR-B	SRC14-10
Tractive effort, position and mixed control	•	•
External control (control of an attachment)		•
Pressure control		•
Anti-slip control in traction		•
Vibration damping	•	•
System diagnostics	•	•
Rear actuation	•	•
CAN bus	•	•
Flash programming via CAN	•	•
Alternative front/rear control		•
Simultaneous front/rear control		•
Automatic Hitch Control AHC (optional)	•	•

Product Catalog Mobile Hydraulics, online version, last changed 2012-04-17