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Pressure and flow control system SYDFE1 series 2X, 3X | Product description
Bosch Rexroth AG, Edition 10.2021, RE 30011-B
The following operating modes are available:
5.3.1
Swivel angle control
With version VT 5041-3X/1...
VT 5041-3X/2...
▶ J4 OFF and
▶ connect pin 18a to +24 V.
With version VT 5041-3X/3...
If the axis is to run exclusively in this operating mode, an analog signal within
the range of +10 V to U
B
deactivate the pressure controller (0...+10 V ≙ 0...100 % swivel angle).
The pressure transducer signal must be short-circuited or deactivated, because
even actual pressure value signals of ≥8.0 V have an influence on or reduce the
swivel angle output and hence the valve command value (actuating speed!).
A precondition for this is, however, that the electronics is set for an actual
pressure value input "voltage" without raised zero point (e.g. 0 - 10 V, 0 - 20 mA).
Otherwise, electronics set for an actual pressure value branch with raised zero
point would change to an erroneous state when the pressure transducer signal is
missing.
+10 V to
6c
UB
external
4c
Reference potential
8c
p
→0 to +10 V
H
act
10c
0 to 5 V
L
14c
SWA
comm
16c
Reference potential
Fig. 5: Circuitry of control electronics VT 5041-3X for closed-loop swivel angle control
is assigned to the pressure command value and used to
p
comm
u
u
u
u
→ -10 V to +10 V
u
u
SYD_008
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