User Manual

6/12 Bosch Rexroth AG
VAC Valve Control System
RE 95 350/03.06
Error lamp
BB-3
Joystick
Direction switches A/B
Compression factor
Safety switch
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 output
CAN-bus
interface
RC2-2
controller with VACA software
DRE A/B
Variants
VACA
• RC2-2/20 controller with AS/VACA application software
with 52-pin mating connector
• 1 controllable valve
• 1 digital output signal
• Input signal from 1 joystick
• 2 solenoid outputs for current-controlled PWM currents
A total of 2 outputs for proportional solenoids for 1 axis in
two directions
Figure 1: Typical configuration of the VACA valve control system