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RE 66170-B/2019-05-15, Control block SB24/34, Bosch Rexroth AG
5.3.8 Connecting plate (C3)
Table 11: External ports
Position Designation Information
LS signal output
LS signal input optional:1, 2, 3, 4, 5
, ,
Tie rod bore
Block mounting thread
Table 12: Internal functions
Position Designation Information
Shuttle valve with spring pretension optional
RfB → R bridge optional
The C3connecting plate is used for SBx4blocks with central connecting plate.
Shuttle valve with spring pretension
: Discharges the higher LS pressure from the
block-internal channel Y and
to port . The spring pretension prevents pressure
build-up in
if port is not occupied.
RFB-R bridge
: Relieves the RfB return line for block-internal return flow R.
The C3connecting plate is not equipped with manual operating elements or external
control functions.
Application
Internal function
Operation / control
Fluid plan