Артикул: RX7611
4/3 proportional directional valves with integrated digital electronics and field bus interface (IFB-P) 4WREF
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Description
- Size 6, 10
- Component series 2X
- Maximum operating pressure 315 bar
- Maximum flow 180 l/min
Features
- Direct operated proportional directional valve with integrated digital electronics and field bus interface (Integrated Field Bus IFB-P)
- Operation by means of proportional solenoids with central thread and detachable coil
- Valve control spool, position-controlled
- Analog interface for command and actual value
- Command value (flow), analog or via bus
- Design for CAN bus with CANopen protocol DS 408 or Profibus-DP
- Quick commissioning via PC and WIN-PED 6 commissioning software
Product description
Set-up:
The valve basically consists of:
- Housing (1) with connection surface
- Control spool (2) with compression springs (3 and 4) and spring plates (8 and 9)
- Coils (5 and 6) and pole tubes (10 and 11) with central thread
- Position transducer (7)
- Integrated digital control electronics IFB-P (12)
- Control of the valve spool position
- The command value presetting can alternatively be specified via an analog interface (X1) or via the field bus interface (X2, X3)
- The actual value signals are provided via an analog interface (X1) and can additionally be read out via the field bus (X2, X3)
- The controller parameters are set via the field bus
- Undervoltage
- Cable break position transducer (7)
- Communication error
- Watchdog
- Cable break command value input (only with current interface)
- Ramp generator
- Internal command value profile
- Enable function, digital
- Overlap compensation
- Zero point correction
- Parameterization
- Diagnosis
- Comfortable data management on a PC
- IBM PC or compatible system
- Windows 2000 or Windows XP
- RAM (recommendation: 256 MB)
- 150 MB of available hard disk capacity
Functional description
With de-energized solenoids (5 and 6), the control spool (2) is brought into the central position by compression springs (3 and 4) between the spring plates (8 and 9) (with V control spool without spring plate). With V control spools, the mechanical zero position does not correspond to the hydraulic one.
Functions:
The integrated digital electronics enables the following error detection:
The following additional functions are available:
WIN-PED PC program (version 6 or higher):
To implement the project planning task and to parameterize the IFB-P valves, the user may use the WIN-PED commissioning software.
System requirements
Notice
The "WIN-PED" PC program is not included in the scope of delivery. It is available for free download!
Important notice:
The PG fitting (13) must not be opened. Mechanical adjustment of the adjustment nut located below is prohibited and damages the valve!
Notice!
Due to the design principle, internal leakage is inherent to the valves, which may increase over the life cycle. The tank line must not be allowed to run empty. With corresponding installation conditions, a preload valve must be installed.
Type code
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | |||
| 4 | WRE | F | ‒ | 2X | / | V | ‒ | 24 | * |
| 01 | 4 main ports | 4 |
| 02 | Proportional directional valve with electrical position feedback | WRE |
| 03 | With integrated digital electronics and field bus interface | F |
| 04 | Size 6 | 6 |
| Size 10 | 10 | |
| 05 | Symbols; for the possible version, see "Symbols/Circuit diagrams" | E; E1-; W; W1-; V
|
| Rated flow NG6 | ||
| 06 | 8 l/min | 8 |
| 16 l/min | 16 | |
| 32 l/min | 32 | |
| Rated flow NG10 | ||
| 06 | 25 l/min | 25 |
| 50 l/min | 50 | |
| 75 l/min | 75 | |
| 07 | Component series 20 ... 29 (20 ... 29: unchanged installation and connection dimensions) | 2X |
| 08 | FKM seals | V
|
| 09 | Supply voltage 24 V | 24 |
| Bus interface | ||
| 10 | CANBus DS 408 | C
|
| Profibus DP V0/V1 | P | |
| Electrical interface | ||
| 11 | Command value ±10 V | A1 |
| Command value 4 to 20 mA | F1 | |
| Seal material | ||
| 12 | Further details in the plain text | * |
Technical data
general
| Type | 4WREF | |||
| Size | 6 | 10 | ||
| Installation position | any, preferably horizontal | |||
| Ambient temperature range | °C | -20 … +50 | ||
| Storage temperature range | °C | -20 … +80 | ||
| Weight | without sandwich plate | kg | 2.4 | 6.5 |
| Climate | Environmental audit according to EN 60068-2 | |||
| MTTFD values according to EN ISO 13849 | y | 150 | ||
hydraulic
| Size | 6 | 10 | ||
| Maximum operating pressure | bar | 315 | ||
| Maximum operating pressure | Port P | bar | 315 | |
| Port T | bar | 210 | ||
| Anschluss A | bar | 315 | ||
| Port B | bar | 315 | ||
| Maximum flow | l/min | 80 | 180 | |
| Nominal flow | l/min | 8 16 32 | 25 50 75 | |
| Hydraulic fluid | see table | |||
| Hydraulic fluid temperature range | °C | -20 … +70 | ||
| preferably | °C | +40 … +50 | ||
| Viscosity range | mm²/s | 20 … 380 | ||
| preferably | mm²/s | 30 … 46 | ||
| Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 1) | Class 20/18/15 according to ISO 4406 (c) | |||
| Hysteresis 2) | % | ≤ 0.1 | ||
| Range of inversion 2) | % | ≤ 0.05 | ||
| Response sensitivity 2) | % | ≤ 0.05 | ||
| Zero shift upon change of | Hydraulic fluid temperature | %/10 K | < 0.15 | |
| Operating pressure | %/100 bar | < 0.1 | ||
| 1) | The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter. |
| 2) | Position control – valve control spool |
| Hydraulic fluid | Classification | Suitable sealing materials | Standards |
| Mineral oils and related hydrocarbons | HL, HLP | NBR / FKM | DIN 51524 |
| Important information on hydraulic fluids: For more information and data on the use of other hydraulic fluids please contact us. There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.). The flash point of the process and operating medium used must be 40 K over the maximum solenoid surface temperature. | |||
electrical
| Size | 6 | 10 | ||
| Voltage type | Direct voltage | |||
| Maximum current consumption | of the amplifier | A | 2 | |
| of the amplifier (impulse current) | A | 3 | ||
| Actuated time 1) | % | 100 | ||
| Maximum coil temperature 2) | °C | 150 | ||
| Protection class according to DIN EN 60529 | IP65 (If a suitable and a correctly mounted mating connector are used.) | |||
| EMC (electro-magnetic compatibility) | Interference resistance prEN 50082-2: 1994; interference emission EN 50081-1: 1992 | |||
| Converter resolution (command/actual value signals) | bits | 10 | ||
| Power supply | V | 24 | ||
| Supply voltage range | V | 19,4 … 35 | ||
| Earthing (GND) | V | 0 | ||
| Command value input | "A1" | V | ± 10 | |
| Command value input range | "F1" | mA | 4 … 20 | |
| Actual value output | "A1" | V | ± 10 | |
| Actual value output range | "F1" | mA | 4 … 20 | |
| 1) | Connect the valve to the supply voltage only when this is required for the functional sequence of the machine. |
| 2) | Due to the surface temperatures occurring at solenoid coils, the European standards ISO 13732-1 and ISO 4413 need to be adhered to. |
Diagrams/characteristic curves
(measured with HLP46, ϑÖl = 40 ±5 °C)
Transition function with stepped electric input signals (4/3 valve version, control spool V)
NG6
Frequency response (control spool V)
NG6
Flow/load function with maximum valve opening (control spool V)
NG6
Pressure-signal characteristic curve (symbol V; measured with ps = 100 bar)
NG6
Zero flow at central control spool position "V"
NG6
Rated flow 8 l/min
NG6
Rated flow 16 l/min
NG6
Rated flow 32 l/min
NG6
Transition function with stepped electric input signals (4/3 valve version, control spool V)
NG10
Frequency response (control spool V)
NG10
Flow/load function with maximum valve opening (control spool V)
NG10
Pressure-signal characteristic curve (symbol V; measured with ps = 100 bar)
NG10
Zero flow at central control spool position "V"
NG10
Rated flow 25 l/min
NG10
Rated flow 50 l/min
NG10
Rated flow 75 l/min
NG10
Symbols/Circuit diagrams
Symbols
| With control spool symbol E1- and W1-, the following applies: | |
| P → A: qvmax | B → T: qv/2 |
| P → B: qv/2 | A → T: qvmax |
| In the zero position, control spool symbol W has a connection from A → T and from B → T with approx. 3 % of the relevant nominal cross-section. | |
Type 4WREF...E...
Type 4WREF...W...
Type 4WREF...V...
Electrical connection
| 1 | Material number |
| 2 | Production order number |
| 3 | Date of production |
| 4 | Serial number |
| 5 | Type designation |
| 6 | DIL switch for address and baud rate setting (position B0 on the right) |
Connector pin assignment X1, 6-pole + PE according to EN 175201-804
| Pin assignment | Contact | Assignment interface "A1" | Assignment interface "F1" |
| Power supply | A | 24 VDC (u(t) = 19,4 ... 35 V); Imax = 2 A | |
| B | 0 V
| ||
| Reference potential actual value | C | Reference potential actual value | |
| Differential amplifier input (command value) | D | ±10 V command value; Re > 50 kΩ | 4 ...20 mA command value; Re > 100 Ω |
| E | Reference potential command value | ||
| Measuring output (actual value) | F | ± 10V actual value (limit load 5 mA) | 4 ... 20 mA actual value; maximum load resistance 300 Ω |
| PE | connected to cooling element and valve housing | ||
Connector pin assignment for CAN bus X2/X3 (coding A), M12, 5-pole, pins/socket
| Contact | Pin assignment |
| 1 | n.c. |
| 2 | n.c. |
| 3 | CAN_GND |
| 4 | CAN_H |
| 5 | CAN_L |
| Transmission rate kbit/s | 20 ... 1000 |
| Bus address | 1 ... 127 |
| CAN-specific settings: | |
Connector pin assignment for Profibus DP, X2/X3 (coding B), M12, 5-pole, socket/pins
| Contact | Pin assignment |
| 1 | + 5 V |
| 2 | RxD/TxD-N (A line) |
| 3 | D_GND |
| 4 | RxD/TxD-P (B line) |
| 5 | Shield |
| Transmission rate up to 12 MBaud | |
| Bus address | 1 ... 126 |
| Setting via DIL switch. The + 5 V voltage of the IFB-P serves to supply an external bus connection (as required) | |
CANopen
| B7 | B6 | B5 | B4 | B3 | B2 | B1 | B0 | HEX | Baudrate: B7, B6
| Address range: B5 to B0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 00 1) | Standard 20 kBaud or re-programmed | 1 = Standard or re-programmed |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 01 | 20 kBaud | 1 to 63 |
| to | to | |||||||||
| 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 3F | ||
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 125 kBaud | 1 = Standard or re-programmed |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 41 | 125 kBaud | 1 to 63 |
| to | to | |||||||||
| 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 7F | ||
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 80 | 250 kBaud | 1 = Standard or re-programmed |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 81 | 250 kBaud | 1 to 63 |
| to | to | |||||||||
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | BF | ||
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | C0 | 500 kBaud | 1 = Standard or re-programmed |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | C1 | 500 kBaud | 1 to 62 |
| to | to | |||||||||
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | FE | ||
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | FF | 250 kBaud | Monitor mode/programming mode 1 = fixed |
| 1) Factory setting | ||||||||||
PROFIBUS DP
| B7 | B6 | B5 | B4 | B3 | B2 | B1 | B0 | HEX | Address range |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 00 1) | 125 = Standard or re-programmed |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 01 | 1 to 126 with parameter channel |
| to | to | ||||||||
| 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 7E | |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 80 | 1 to 126 without parameter channel |
| to | to | ||||||||
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | FE | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | FF | Monitor operation address 125 |
| 1) Factory setting | |||||||||
Bus terminator not connected
Bus terminator connected
Command value:
Positive command value 0 ... +10 V (or 12 ... 20 mA) at pin D and reference potential at pin E result in flow from P → A and B → T
Negative command value 0 ... –10 V (or 12 ... 4 mA) at pin D and reference potential at pin E result in flow from P → B and A → T
Actual value:Positive actual value 0 ... +10 V (or 12 ... 20 mA) at pin F and reference potential at pin C result in flow from P → A and B → T
Connection cable: Recommendation:
up to 25 m cable length type LiYCY 7 x 0.75 mm²
up to 50 m cable length type LiYCY 7 x 1.0 mm²
Dimensions
| 1 | Valve housing |
| 2 | Proportional solenoid "a" with inductive position transducer |
| 3 | Proportional solenoid "b" |
| 4 | R-ring 9.81 x 1.5 x 1.78 (ports P, A, B, T) |
| 5 | Space required to remove the mating connector |
| 6 | Integrated digital control electronics |
| 7 | Mating connector according to DIN EN 175201-804, separate order |
| 8 | Name plate |
| 9 | Machined valve contact surface; Porting pattern according to ISO 4401-03-02-0-05 (with locating hole) |
Recommended valve mounting screws (separate order):
4 hexagon socket head cap screws ISO 4762 - M5 x 50 - 10.9-flZn-240h-L
Tightening torque MA = 7 Nm ± 10 %, material no. R913000064
or
4 hexagon socket head cap screws ISO 4762 - M5 x 50 - 10.9
Tightening torque MA = 8.9 Nm ± 10 %
4WREF 10
Dimensions in mm
| 1 | Valve housing |
| 2 | Proportional solenoid "a" with inductive position transducer |
| 3 | Proportional solenoid "b" |
| 4 | R-ring 13.0 x 1.6 x 2.0 (ports P, A, B, T, T1) |
| 5 | Space required to remove the mating connector |
| 6 | Integrated digital control electronics |
| 7 | Mating connector according to DIN EN 175201-804, separate order |
| 8 | Name plate |
| 9 | Machined valve contact surface; Porting pattern according to ISO 4401-05-04-0-05 |
Recommended valve mounting screws (separate order):
4 hexagon socket head cap screws ISO 4762 - M6 x 40 - 10.9-flZn-240h-L
Tightening torque MA = 12.5 Nm ± 10 %, material no. R913000058
or
4 hexagon socket head cap screws ISO 4762 - M6 x 40 - 10.9
Tightening torque MA = 15.5 Nm ± 10 %
Project planning information
Project planning and maintenance instructions
- Connect the valve to the supply voltage only when this is required for the functional sequence of the machine.
- Do not use electrical signals provided via control electronics (e. g. "No error" signal) for switching safety-relevant machine functions (see also EN ISO 13849 "Safety of machinery – safety-related parts of control systems").
- If electro-magnetic interference is to be expected, take appropriate measures ensuring the function (depending on the application, e. g. shielding, filtration).
- The devices have been tested in the plant and are supplied with default settings.
- Only complete devices can be repaired. Repaired devices are returned with default settings. User-specific settings will not be applied. The machine end-user will have to re-transfer the corresponding user parameters.
Downloads
 | CANopen protocol for IFB-P- and IAC-P-Valves, Protocol description Manual | RE29015-01-Z | 2006-09-01 | English | PDF | 237k Product Groups: Proportional, high-response and servo valves |
| Profibus protocol for IFB-P- and IAC-P-valves, Protocol description Manual | RE29015-02-Z | 2006-09-01 | English | PDF | 201k Product Groups: Proportional, high-response and servo valves |
| Proportional directional valves with field bus interface, with and without Integrated axis controller (IAC-P and IFB-P), Operating instructions Manual | RE29015-B | 2011-05-31 | English | PDF | 4.8MB Product Groups: Proportional, high-response and servo valves STW0195, STW0196, 4WREQ, STW0240(4WREA), 4WREF |
| 4/3 proportional directional valve with integrated digital electronics and field bus interface (IFB-P) Data Sheet | RE29048 | 2014-01-21 | English | PDF | 1.3MB Product Groups: Direct operated Type 4WREF |
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