User Manual

4/16 Bosch Rexroth AG
RC RE 95201/11.07
Technical Data
Controller RC2-2/21
Nominal voltage
12 and 24 V

Residual ripple (DIN 40839, Part 1) max. ± 2 V

Supply voltage, permitted range 9 - 32 V

Current consumption
Without load, max. mA 150
With load, max. A 8
Fuse
Internal: –
External: for switch and proportional solenoid outputs AT 8
For electronics AT 3
For sensors AT 1
Constant voltage source
E.g. for setpoint potentiometer 1 - 5 kΩ 5 V ± 0.1 V, 30 mA 2
Analog voltage inputs
(may also be used as switch input)
1)
0 - 5 V 2
Analog current inputs
(may also be used as switch input as well as analog voltage input)
1)5)
0 - 20 mA and 0 - 8 V 2
Switch inputs
May be switched between high/low active
(may also be used as an analog voltage input as well as a frequency input)
low < 1.5 V; high > 4.5 V 4
Frequency inputs for inductive and active sensors
(may also be used as switch input)
1)
0 - 10 kHz; > 1 V
RMS
2
Frequency inputs for DSM+HDD1 sensors
(may also be used as switch input)
2)
0 - 13.5 kHz 2
Resistor inputs for temperature sensors
(may also be used as switch input)
2)
800 Ω - 1800 Ω 4
Proportional solenoid outputs (PWM)
Current range 0 - 2.3 A 2
Adjustable dither frequency 100 - 250 Hz

Control frequency 1 kHz
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Switched outputs (MOSFET)
(may also be used as PWM outputs) max. 2 A 2
Low-side measurement input
5)
Additional PWM output stage when used in combination with one or both
switched outputs
Current range 0 - 2.0 A 1
Adjustable dither frequency 100 - 250 Hz
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Control frequency 0.5 kHz
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Interfaces
RS232 C 1
CAN 2.0 B ISO 11898 1
Fault detection for cable break and short circuit
Analog inputs

Proportional solenoid outputs and switched outputs

Protection against short circuit of the inputs and outputs
Against supply voltage and ground
3 )

Reverse-connect protection
Power supply / battery
4)

1
) Switchable with supply voltage.
2
) Can be used as switch inputs if externally connected to GND.
3
) Voltages greater than those applied to supply pins 1, 27, 41, 42 must not be applied to the outputs.
4
) The external fuse trips in the event of voltage reversal.
5
) When using as a switching function, the notes in the respective, applicable software description (API) are to be observed.
6
) Load 484 Ω . Can be switched by means of software to 22 kΩ.