Bosch Rexroth SB24/34 - Port Designation; Flange Figure

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RE 66170-B/2019-05-15, Control block SB24/34, Bosch Rexroth AG
5.3.4 Port designation
The port designation consists of a letter (e.g. P, R, Y) and the side designation
(1 to 6). P1 refers for example to the inlet port on the consumer port side (top).
Table 6: Ports
Denomination Port for
A1…6
Consumer
B1…6
Consumer
a, b, c
Control, signal
P1…6
Inlet
PD1…6
Supply pressure diagnosis
R1…6
Tank, return flow
Rx1…6
EHS pilot oil return flow
RfB1…6
Secondary pressure relief valve return flow (consumer port B) (depressurized)
X1…6
EHS pilot oil supply
XD1…6
EHS pilot oil supply diagnosis
Yin1…6
LS signal input
Yo1…6
LS signal output
YoD1…6
LS signal output diagnosis
Rc1…6
Coupling relief
, ,
Tie rod
BL
Block mounting
5.3.5 Flange figure
Denomination Port for Information
Inlet
Block return flow
Secondary pressure relief valve return
flow(consumer port B) (depressurized)
optional
LS signal
Clean oil return flow optional
EHS pilot oil return flow optional
EHS pilot oil supply optional
, ,
Tie rod