User Manual

10/12 Bosch Rexroth AG
VAC Valve Control System
RE 95 350/03.06
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Joystick
Direction switches A/B
Compression factor
Safety switch 1
Switched input
Limit switches A/B
Variable or fi xed
displacement pump
Control block
SB 12 LS or
SB 23 LS or
SP08 or
M4–12/15/22 with DRE02 or
M6–15/20/22 with DRE02 or
M7–20/22 with DRE04
Switched outputs 1 to 6
CAN-bus
interface
Safety
switch 2
RC6-9 controller
with VACC software
Error lamp
DRE A/B
Connections for each
movement axis
VACC
• RC6-9/20 controller with AS/VACC application software
with 52-pin mating connector and 28-pin mating connector
• Maximum 4 controllable valves
• Maximum 6 digital output signals
• Input signals from maximum 4 joysticks
• 6 solenoid outputs for current-controlled PWM currents
• 2 solenoid outputs for open-loop controlled PWM currents
A total of 8 outputs for proportional solenoids for 4 axes in
two directions each
Figure 5: Typical configuration of the VACC valve control system