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BODAS Pressure sensor
PR4
Features
▶ Tightening torque 45 Nm
▶ Shock and vibration resistant
▶ High resistance to pressure spikes
▶ Very good resistance to temperature shock
▶ High accuracy over the complete measuring range
▶ Compact dimensions for all pressure ranges
▶ Thin-film measurement principle
▶ Measurement range
0 ... 280 bar
0 ... 420 bar and
0 ... 600 bar
▶ Ratiometric output signal 0.5 ... 4.5 V
at 5 V supply voltage
▶ Type of protection IP67 and IP69K
Inhalt
Characteristics
Manufacturer confirmation of PR4 MTTF
Installation instructions
RE 95156
Edition: 02.2017
Replaces: 12.2015
-values
d
RE 95156/02.2017, Bosch Rexroth AG
2
2
3
4
4
5
6
7
8
9
11
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Summary of Contents for REXROTH BODAS PR4280GB05/10
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Page 1: Table Of Contents
▶ High accuracy over the complete measuring range Dimensions ▶ Compact dimensions for all pressure ranges Connector Bosch Compact Manufacturer confirmation of PR4 MTTF -values Installation instructions Wiring and error diagnostic of the sensor Error diagnosis Safety instructions RE 95156/02.2017, Bosch Rexroth AG... -
Page 2: Ordering Code
EMC characteristics better than 150 V/m. The measurement principle uses a hermetically welded thin-film measurement cell, which ensures long-term leak resistance. The sensor signal can be directly evaluated by a BODAS controller RC. Bosch Rexroth AG, RE 95156/02.2017... -
Page 3: Technical Data
The specifield bursting pressure is valid for the device only. maximum 15 minutes at P to P This value does not include the mechanical interface - the thread between the sen- berst 150 °C: 250 h over live time sor and the hydraulic component RE 95156/02.2017, Bosch Rexroth AG... -
Page 4: Dimensions
1928403423 Ground GND Compact 1.1a The mating connectors are not included in the scope of supply. Output End clip These are available from Bosch Rexroth under the corresponding Supply voltage U Cap straight material numbers. Bosch Rexroth AG, RE 95156/02.2017... -
Page 5: Wiring And Error Diagnostic Of The Sensor
4.64 kΩ ±5 % against supply voltage. Pin 1 The tools may be purchased from Bosch dealers or Bosch Service (www.bosch-service.com) Drawings and further information about Bosch connectors and tools can be found on the internet: www.bosch-connectors.com RE 95156/02.2017, Bosch Rexroth AG... -
Page 6: Error Diagnosis
Failure of internal temperatur sensor --> HW Defects of ADC_T or PTAT itself no Reset ‒1 Low Voltage Supply detection, programmable threshold no Reset, debouncing next frame ‒1 High Voltage Supply detection, programmable threshold no Reset, debouncing next frame ‒1 Bosch Rexroth AG, RE 95156/02.2017... - Page 7 Typicals [ms] CRC OK 0.03 CRC NOK 0.03 Behavior after undervoltage and overvoltage In case of undervoltage < 4.75 V or overvoltage > 5.25 V detection, the output is pulled to ground. RE 95156/02.2017, Bosch Rexroth AG...
- Page 8 3 s per manufacturing batch. Delivery of 100 % sorted products is permitted. After lifetime the toler- ance for new parts can broaden to the values given in the diagram. Here the given tolerances also represent the 3 s limit. Bosch Rexroth AG, RE 95156/02.2017...
- Page 9 After the maximum storage duration is exceeded, the sen- sors must be sent back to Bosch Rexroth AG for inspection or testing. Transportation conditions Conditions deviating from the storage conditions are...
- Page 10 Temperature profile, Operating time share [%] Control unit [°C] [°C] MTTF -value [years] with 4h use per day 8h use per day 16h use per day 24h use per day MTTF -value of the printed circuit board 1258 Bosch Rexroth AG, RE 95156/02.2017...
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Page 11: Safety Instructions
(freezing condition, in worst case: crack of ▶ The proposed circuits do not imply any technical liability measuring element). for the system on the part of Bosch Rexroth. ▶ It is not permissible to open the sensor or to modify or Notes on transport and storage repair the sensor. - Page 12 ▶ Bosch Rexroth warranty will cover the function of the damage to components which could result in conse- connector system only in the case of combination with quential damage to the mobile working machine.
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