4.2. Extension boom control system
System structure and connections
1
5
3
4
5
2
(1) Proportional button
(2) Valve driver ECU
(3) Solenoid valves
(4) Control box
(5) Wiring harness
Operating the extension boom system
Extension boom system can be controlled on/off with a
switch (1) located in the control box.
Valve driver ECU
Valve drive unit ECU is designed to control proportional
solenoid valves. Valve driver provides flexible I/O
configuration in compact package, specially designed to
resist water, temperature, humidity and high vibrations
typical for harsh environments.
(1) Connector 1.
(2) Connector 2.
(3) LED red (error flashes).
(4) LED green (power supply on).
3
4
1
2
Manual control system
32
HIAB J14S J24S