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Description
- Available for A4VSO, A4VBO, A4VSG and A4CSG
- Electrohydraulic control systems with on-board electronics
- For the electrohydraulic control of pressure, flow and power
- Optional conversion of HS3(P) and HS4(P) to HS5E(P) and HS4V(P) to HS5EV(P)
Features
- An HS5E control system provides electrohydraulic control of axial piston variable pump swivel angle, pressure and power/torque. The control system consists of the following components:
- A4VSO, A4VBO, A4VSG or A4CSG axial piston variable pump optimized for use in control systems
- 4WRP proportional valve as a pilot valve with on-board electronics, including inductive position transducer for valve position sensing
- Position transducer for sensing the swivel angle
- Pressure transducer (Version HS5EP) with suitable signal level and dynamics
- Optional with internal control pressure supply:
- HS5EV in open circuits
- HS5EL in closed circuits
Product description
HS5E – control system with integrated digital electronics (OBE)
| Pump/size | 40 | 71 | 125 | 180 | 250 | 355 | 450 | 500 | 750 | 1000 |
| A4VSO | ● | ● | ● | ● | ● | ● | ‒ | ● | ○ | ○ |
| A4VSG | ● | ● | ● | ● | ● | ● | ‒ | ● | ● | ● |
| A4CSG | ‒ | ‒ | ‒ | ‒ | ● | ● | ‒ | ● | ● | ‒ |
| A4VBO | ‒ | ● | ● | ‒ | ● | ‒ | ● | ‒ | ‒ | ‒ |
An axial piston variable pump with HS5E is a complete solution for an entire Bosch Rexroth pump control system for electrohydraulic
- Swivel angle control
- Pressure control (optional HS5EP)
- Torque limitation (optional HS5EP).
The control system consists of the following components:
- Axial piston variable pump A4VSO, A4VBO, A4VSG or A4CSG
- Directional control valve with on-board electronics
- Swivel angle sensor for detecting pump swivel angle
- Optional (HS5EP): one pressure transducer with A4VSO/A4VBO or two pressure transducers with A4VSG/A4CSG
Machine and system dynamics must be optimized by the owner using the pressure control function.
Spring-centering
The spring-centering of the pump control is standard. It is used for setting and adjustment in the depressurized neutral position, but without a defined reset during high-pressure operation. The spring-centering is not a safety device. To minimize control fluid consumption, the stroking chambers are sealed in sizes 125 to 1000 and can be bled via ports R2 to R7.
Swivel angle limitation
Minimum and maximum swivel angle limitation is mechanically adjustable up to 50 % Vg max . In size 500, Vg min can be set up to 50% Vg max and Vg max can be set up to 70% Vg max .
Notice
Setting with A4VSO (open circuit):
- The Vg max stop is set to nominal Vg max as standard. Other values should be specified when placing the order.
- The Vg min stop is set to Vg = 0 l/min at pHD= 20 bar as standard. Other values should be specified when placing the order.
When ordering, please state other setting requests in plain text.
Electrical control loop performance
|
| Swivel angle control | Pressure control1) |
| Linearity tolerance | ≤ 1.0 % | ≤ 1.5 % (≤ 1.0 %2)) |
| Temperature error | ≤ 0.5 % / 10 K | ≤ 0.5 % / 10 K |
| Hysteresis | ≤ 0.2 % | ≤ 0.2 % |
| Repeat accuracy | ≤ 0.2 % | ≤ 0.2 % |
| 1) | Without considering the pump pulsation |
| 2) | Using the integrated calibration function. |
Connection
- 24 V voltage supply
- Ambient pressure ≤ 60 °C
Hydraulic fluid temperature ≤ 70 °C
- LED status indicator
- Interface for:
EtherNet/IP, sercos III, EtherCAT or ProfiNET RT connection
| Example using A4VS size 250 | |
| 1 | Proportional solenoid |
| 2 | Inductive position transducer for valve position |
| 3 | X8A actual swivel angle input |
| 4 | Reserved, X2N |
| 5 | X2M2 configurable sensor interface (pressure sensor input) |
| 6 | X2M1 configurable sensor interface (pressure sensor input) |
| 7 | Multi Ethernet interface X7E1 |
| 8 | Multi Ethernet interface X7E2 |
| 9 | Connector XH4 |
| 10 | VT-SWA-LIN-G15 swivel angle sensor |
Sectional view of A4VSO … HS5E
| 1 | Axial piston pump |
| 2 | Swivel angle sensor, e.g. VT-SWA-LIN-G15 |
| 3 | Pilot valve |
| 4 | On-board electronics |
Optional:
- HS5EP with one or two pressure transducer(s) for additional pressure and power control
- HS5EV with internal control pessure supply and on-board digital electronics (A4VSO/A4VBO)
- HS5EL with internal control pessure supply and on-board digital electronics (A4CSG)
VT-SWA-LIN swivel angle sensor
- The HS5E includes the swivel angle sensor VT-SWA-LIN-G15 as standard (data sheet 30263)
- 5 ±3 V output signal
HS5E system circuit diagram
Example: A4VSO, sizes 125 to 500, clockwise rotation
| Ports | |
| S | Suction port |
| B | Working port |
| P | Control pressure |
| SP | Control pressure accumulator |
| RKV | Control fluid return flow |
| M1, M2 | Control pressure measurement |
| R2 … R7 | Stroking chamber air bleeding |
| MS | Suction pressure measurement |
| MB | Operating pressure measurement |
| K1, K2 | Flushing port |
| T | Drain port |
| R(L) | Fluid filling; air bleeding (drain port) |
| U | Flushing port |
| B1 | Additional port |
Circuit diagrams HS5EP
Sizes 40 and 71
Example: A4VSO … HS5EP (with pressure transducer)
Sizes 125 to 500
Example: A4VSO … HS5EP (with pressure transducer)
| 1 | Pump with hydraulic control device A4VSO (see data sheet 92050), A4VBO (see data sheet 92122) |
| 2 | Pilot control valve HS5E |
| 3 | Swivel angle sensor VT-SWA-LIN-G15 |
| 4 | Sandwich plate |
| 5 | Only with HS5EP: Pressure transducer HM20-2X/630-C-K35 (see data sheet 30272) with intermediate flange, with A4VSG and A4CSG, each pressure side has 1 pressure transducer assigned and mounted |
Technical data
Technical data HS5E
| Size | 40 | 71 | 125 | 180 | 250 | 355 | 500 | 750 | 1000 | |||
| Control pressure (in P) | A4VSO, A4VSG, A4CSG | pmin | bar | 100 | 100 | 100 | 125 | 125 | 125 | 150 | 150 | 150 |
| A4VBO | pmin | bar | - | 130 | 130 | - | - | - | 190 1) | - | - | |
| pmax 2) | bar | 350 | 350 | 350 | 350 | 350 | 350 | 350 | 350 | 350 | ||
| Control stroke | smax | mm | 14.2 | 17.1 | 20.7 | 20.7 | 25.9 | 25.9 | 32.6 | 37 | 41.4 | |
| Control area | A | cm² | 8.1 | 12.6 | 18.1 | 18.1 | 28.3 | 28.3 | 38.2 | 56.8 | 63.6 | |
| Control volume | Vs max | cm³ | 11.4 | 21.5 | 37.5 | 37.5 | 73.2 | 73.2 | 124.5 | 210 | 263.3 | |
| Actuating time 3) | tmin | s | 0.04 | 0.06 | 0.09 | 0.09 | 0.12 | 0.12 | 0.15 | 0.2 | 0.25 | |
| Weight (approx.) | (A4VSO…HS5…N00) | m | kg | 42 | 59 | 98 | 112 | 200 | 220 | 333 | 476 | 606 |
| Control loop performance | Hysteresis | ≤ 0.2 % | ||||||||||
| Repeat accuracy | ≤ 0.2 % | |||||||||||
| Linearity deviation of the swivel angle | ≤ 1 % | |||||||||||
| Linearity deviation pressure (of pmax) 4) | ≤ 1.5 % | |||||||||||
| 1) | Size 450 |
| 2) | Due to the permissible data of the proportional valve |
| 3) | With minimum control pressure |
| 4) | Pressure transducer value |
Notice: Further technical data can be found on the product pages of A4VSO, A4VSG, A4CSG and A4VBO
Electrical data of the HS5E pilot control valve
| Size | 40 | 71 | 125 | 180 | 250 | 355 | 500 | 750 | 1000 | |||
| Supply voltage 1) | Nominal voltage | 24 V | ||||||||||
| lower limit value | 18 V | |||||||||||
| upper limit value | 36 V | |||||||||||
| maximum admissible residual ripple | 2.5 Vss | |||||||||||
| Power consumption | Maximum | 40 W | ||||||||||
| Required fuse protection, external | 4 A (slow bow) | |||||||||||
| AD/DA resolution | analog inputs | 12 bits | ||||||||||
| analog outputs 2) | 10 bits | |||||||||||
| Actual pressure value input XH4, pin 10 and 11 | analog voltage | 0 ... 10 V | ||||||||||
| analog current 3) | 0 ... 20 mA | |||||||||||
| Ambient temperature range at the pump | ϑ | -20 … +60 °C | ||||||||||
| Storage temperature range pump/electronics | permissible | ϑ | 0 ... 70 °C | |||||||||
| ideal | ϑ | 5 ... 20 °C | ||||||||||
| Hydraulic fluid temperature 4) | ϑ | -20 ... +70 °C | ||||||||||
| 1) | Supply voltage is used directly for sensor connections X2M1, X2M2 and X8M (no internal voltage limitation) |
| 2) | Outputs can be parameterized, for as-delivered condition, see instruction manual 92076-01-B |
| 3) | With configuration on current input: Maximum admissible input current 30 mA |
| 4) | For detailed information see instruction manual 92076-01-B |
Environmentally acceptable systems for the areas of EMC, climate, and mechanical loading
| Type | HS5E |
| Mechanical loading: Sinus test according to DIN EN 60068-2-6 | 10 … 2000 Hz / maximum 10g / 10 cycles / 3 axes |
| Mechanical loading: Noise check according to DIN EN 60068-2-64 | 20 … 2000 Hz / 10g RMS / 30g Peak / 30 min / 3 axes |
| Mechanical loading: Transport shock according to DIN EN 60068-2-27 | 15g / 11 ms / 3 axes |
| Electromagnetic compatibility (EMC) |
|
| Maximum relative humidity (no condensation) | 95% |
| Electronics design | Integrated on pilot valve (OBE) |
| Electrical connection | See chapter “Electrical connection” |
| Type of protection according to EN 60529 (pump including pilot valve) | IP 65 with mounted and locked plug-in connectors |
| Notice: The information about mechanical loading only refers to components containing electronics, i.e. the HS5E pilot control valve, HM20 and VT-SWA-Lin. |
Notice: The information about mechanical loading only refers to components containing electronics, i.e. the HS5E pilot control valve, HM20 and VT-SWA-Lin.
Electrical connection
Signals and pin assignment of the central connector
The following table shows the pin assignment of the central connector 11 + PE for pilot control valve HS5E. The “code” column refers to the cable kit that can be ordered as optional accessories.
(For cable kits, see instruction manual 92076-01-B.)
Ethernet M12 connecting cable, please contact Rexroth for the material number.
Please contact us if the unit is to be used outside the specified values.
Central connector
| Pin | Signal | Description | Signal direction | Signal level | Code |
| 1 | + UB | Voltage supply | IN | +24 V | 1 |
| 2 | L0 | Reference potential for the voltage supply | – | – | 2 |
| PE | Ground | Ground connection for the electronics | – | – | yellow/green |
| 3 | DO | Switching output 24 V, max. 1.5 A | OUT | Logical 24 V (load Imax ≤ 50 mA) | white |
| 4 | M0 | Reference potential for analog signals | – | – | yellow |
| 5 | AI 2 | Analog input 2 (or digital input, configuration via software) factory setting: Swivel angle setpoint value standardized | IN | analog +/-10 V or 0-20 mA (digital 24 V) | green |
| 6 | AO 2 | Analog output 2 factory setting: Swivel angle actual value standardized | OUT | +/- 10 V or 0-20 mA (load Imax ≤ 1 mA) | violet |
| 7 | AI 1 | Analog input 1 (or digital input, configuration via software) Factory setting: Pressure setpoint value standardized | IN | +/- 10 V or 0-20 mA or 24 V digital | pink |
| 8 | AO 1 | Analog output 1 Factory setting: Actual pressure value standardized | OUT | +/- 10 V or 0-20 mA (load Imax ≤ 1 mA) | red |
| 9 | DI | Digital input (use can be freely configured) Factory setting: Error reset | IN | Logical 24 V | brown |
| 10 | Actual pressure value High | Actual pressure value input: Signal level dependent on parameter setting. | IN | 0-10 V, 0-20 mA (can be freely configured) | black |
| 11 | Actual pressure value Low | Reference potential for actual pressure value High (pin 10) | – | – | blue |
| n.c. | gray |
| Notice: • Connect ports M0 and L0 in the control cabinet to prevent potential shifts. • Signal lines (pin 3 to 11) must be shielded. The shielding must be connected to the control on one side! |
Dimensions
Notice: Dimensions see Datenblatt 92076
Downloads
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Service tool for drive commissioning;Type code: only available as download;Self-extracting installation program;Compact variant without online help; No license needed; Installation does not require an activation key; Supported drives / firmware / version: IndraDrive Cs/C/M/Mi/ML MPE/MPB/MPC/MPM version 20/21; Hydraulic Drive (HDx)Downloads
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