Variants With Independent Circuitry - Bosch Rexroth RA 10 Series Instruction Manual

36/48 Analog amplifier RA | Installation
Connection variant 6
Setpoint value specification
by control
Input signal
0 ... 10 V
Working range
0 ... 10 V
R: Resistances with identical
values (between 5.6 kΩ and
6.2 kΩ)
Connection variant 7
Parallel operation
Separate control with
separate potentiometers
and mutual influencing
Potentiometer between
8.4 V and 4.0 V connected.
Input signal
4.0 ... 8.4 V.
Alternative circuit
proposal
Advantage: fewer lines
Bosch Rexroth AG, RE 95230-B/2021-12-01
approx.
USETPOINT1
5 kΩ
R
R
Fig� 28: Connection variant 6
Monitoring of cable break is not possible with this variant.
7�5�2 Variants with independent circuitry
U Batt
Fig� 29: Connection variant 7
Monitoring of cable break is not possible with this variant.
(23)
16
8.4V
Channel 1
Setpoint
Output stage
4 (10)
+
+
17 (22)
-
-
u
processing
(11)
3 i
4.0V
(12)
2
Solenoid 1
8.4V
Channel 1
Setpoint Output stage
processing
4.0V
Solenoid 1
8.4V
Channel 2
Output stage
Setpoint
processing
4.0V
Solenoid 2
9
Parallel operation
8.4V
4.0V
4.0V
IM1
IM1
0V 10.0V
USETPOINT1