Bosch REXROTH A4 Series, Инструкция по эксплуатации, Страница: 51 / 104

Installation 51/104
RE 92076-01-B/10.2017, A4... with HS5E pilot control valve/Series 3x, Bosch Rexroth AG
Fig. 16: Port overview of A4VSO with HS5E controller, clockwise rotation
Table 12: A4V ports Series 3x
Ports 1)
p
max
[bar] 2)
State
B Working port 400 O
B
1
4) Additional connection 400 O
B
1
5) Second pressure port (high-pressure series) 400 O
S Suction port 30 O
K
1
Flushing port 4 X
K
2
Flushing port 4 X
U Flushing port 4 O
6)
T Fluid drain 4 X 3)
R(L) Fluid filling and air bleeding 4 O 3)
M
B
Measuring port working pressure 400 X
M
S
Measuring port suction pressure 30 X
M
1
, M
2
Measuring port control pressure 400 X
P Control pressure port 350 X
S
p
Control pressure port of accumulator port 350 X
R
KV
Control fluid return flow 5 X
R
2
- R
7
Air bleeding of stroking chamber 350 X
1) The measuring system and thread size can be taken from the installation drawing.
2) Short-term pressure peaks may occur depending on the application. Keep this in mind when
selecting measuring devices and fittings.
3) Depending on the installation position, T or R ( L ) must be connected (see chapter 7.3 “Installation
position” on page 42)
4) Version 13: for NG 40 to 355
5) Version 25: for NG 40 to 1000
6) Must be connected for version for HFC hydraulic fluids.
O = Must be connected (plugged on delivery)
X = Plugged (in normal operation)
Port overview
S
T
M
S
K
1
R(L)
U
K
2
B
B
1
R
5
- R
7
R
2
- R
4
R
KV
S
P
M
2
M
1
P
M
B
M
B