Program Information Mobile Hydraulics, Mobile ... - ERGOVIAL

Electronic and Hydraulic Hitch Control EHR
Application in tractors
U Complete system with optimally
matched components
U EHR valves can be combined
with directional control valves
for the implement hydraulics
U EHR valve of flange or segment
design
U Position control, tension
control, mixed control
U Pressure control, slip control
U Active vibration damping
during transport
U Software for self-diagnosis
Control valve type EHR5-OC EHR5-LS EHR23-LS LT47/EHC18
Flow Qmax L/min 60 60 80 120
Operating pressure pmax bar 250 210
Power supply Us V 12
Type of protection IP 64 A
Control EHR4 Electrically controlled proportional valve, OC or LS version,
valve connections either as thread or flange connection
EHR5-OC Proportional valve, single-acting, flange design
EHR5-LS, LT47 Proportional valve, single-acting, flange design
EHR23-LS, LT47, EHC18 Proportional valve, single-acting, sandwich design
Electronic control unit
Detailed information:
EHR Order No. 1 987 760 507
LT47 RE 66127
EHR-B Digital control amplifier with supply of setpoint and
actual values, as well as power outputs for control valve,
circuit board in plastic housing, 25-pin connector
EHR-C Ditto, CAN-compatible (full CAN)
EHR-D Ditto, circuit board in metal housing, 55-pin connector
MHVD4 Ditto, CAN-compatible, aluminium housing
Type of protection IP54 A (with connector plugged in)
Sensors
Inductive displacement sensor See sensor description (chapter 6)
Force sensor See sensor description (chapter 6)
Inductive angle sensor See sensor description (chapter 6)
Pressure sensor See sensor description (chapter 6)
Control panel
Standard control panel Electrical connection: 17-pin connector, symbols light up
Type of protection IP 66
55
4