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Technical Documentation

PQ-132-U

p/Q-controller,

pressure limiting controller for hydraulic axes

Содержание PQ-132-U

Страница 1: ...Technical Documentation PQ 132 U p Q controller pressure limiting controller for hydraulic axes...

Страница 2: ...ters 19 5 2 Parameter overview 19 5 3 Basic parameters 21 5 3 1 LG Changing the language 21 5 3 2 MODE Parameter view 21 5 3 3 SENS Malfunction monitor 21 5 3 4 PIN 5 Function of Pin 5 22 5 3 5 EOUT O...

Страница 3: ...Page 3 of 34 PQ 132 U 05 06 2020 5 8 PROCESS DATA Monitoring 30 6 Appendix 31 6 1 Failure monitoring 31 6 2 Troubleshooting 32 6 3 Description of the command structure 33 7 Notes 34...

Страница 4: ...scope of supply includes the module plus the terminal blocks which are part of the housing The Profibus plug interface cables and further parts which may be required should be ordered separately This...

Страница 5: ...e data and characteristics described herein serve only to describe the product The user is required to evaluate this data and to check suitability for the particular application General suitability ca...

Страница 6: ...y trained specialist staff The instruction manual must be read with care The installation instructions and the commissioning instructions must be followed Guarantee and liability claims are invalid if...

Страница 7: ...CT activating of the integrator Internally the system is monitored for several errors Data command signal and sensor errors will be dis played via the READY output and the corresponding LED The parame...

Страница 8: ...57600 and or AUTO BAUDRATE DETECTION 57600 4 Technical enhancements a Programmable analogue output only one version U instead A and I is necessary b Double parameter set selectable via a command and i...

Страница 9: ...Ready 1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 13 D 41372 Niederkr chten Homepage http www w e st de W E ST Elektronik 13 14 15 9 10 11 12 16 A B Klemmbl cke steckbar Terminals removable LEDs USB Interfac...

Страница 10: ...frequency converters power contactors and cable lengths 3 m Inexpensive SMD ferrites can be used with high frequency radiation The screening should be connected to PE PE terminal as close to the modu...

Страница 11: ...structure This minimal system consists of the following components 1 Proportional valve or control valve 2 Hydraulic cylinder 3 Pressure force sensor with analogue interface 4 control module PQ 132 U...

Страница 12: ...signal inputs can be used for the differential pressure control The two setpoints Q and p provided as analogue variables one for the vol ume current setpoint trial of the cylinder and one as the pres...

Страница 13: ...UT SIGNAL PRESET Q RAMPs Pre parameterization are necessary to minimize the risk of uncontrolled move ments Parameterize specific settings for the control element Reduce PRESET Q and p to a value whic...

Страница 14: ...PIN 15 12 Valve control signal Type of signal and polarity can be selected by the parameter SIGNAL U Connection Digital inputs and outputs PIN 8 Enable input General enabling of the application PIN 7...

Страница 15: ...rmal functions are possible 2 All LEDs flash shortly every 6 s An internal data error was detected and corrected automatically The module still works regularly To acknowledge the error the module has...

Страница 16: ...0 Pressure Controller e 9 Flow Q value Pressure X1 c digital input Valve Adaption Input Scaling digital output PE via DIN rail Analog Output Driver digital input digital output Input Scaling digital i...

Страница 17: ...100 Stromsensor 4 20 mA in drei Leitertechnik z B 24 V Valve 6 PE plug with OBE electronics A 24 V supply B 0 V supply C GND or enable D differential input E differential input F diagnostics PE PIN 1...

Страница 18: ...20 240 0 006 incl Oversampling Analogue outputs Voltage Maximum load Current Maximum load Signal resolution V mA mA Ohm 0 10 10 differential 10 4 20 390 0 007 Controller cycle times Signal processing...

Страница 19: ...ot ready Input signal adaption SYS_RANGE 100 bar System pressure ARATIO 1000 Area ratio of the cylinder PRESET Q 0 0 01 Internal preset value F_OFFSET 0 mbar Offset force is added to the actual value...

Страница 20: ...2 RA2 UP RA2 DOWN 100 100 ms ms Command signal ramp times C2 P C2 I C2 D C2 T1 C2 I_ACT 50 4000 0 1 5000 0 01 0 01 ms 0 01 ms 0 01 ms 0 01 P gain I gain D gain D gain filter Integrator activation thr...

Страница 21: ...influence on system behavior and should accordingly be changed with care 5 3 3 SENS Malfunction monitor Command Parameters Unit Group SENS x x ON OFF AUTO STD This command is used to activate deactiva...

Страница 22: ...use in the event of a sensor error or the module is disabled can be defined here This function can be used if for example the drive is to move to one of the two end positions at the specified speed i...

Страница 23: ...ton A divisor of 1000 for area B to set base Accordingly a corresponding entry of the value A ARATIO of 1000 a ratio of A B 1000 1000 For example surface ratio A B 2 08 ARATIO has to be set on 2080 su...

Страница 24: ...of input signal voltages or current and to define the direction of the signal This command is available for all analogue inputs X1 X2 W and Q OFF Deactivation of the input 5 4 6 N_RANGE Nominal press...

Страница 25: ...e Command Parameters Unit Group RAp i x p 1 2 Parameter set i UP DOWN x 1 600000 ms STD The ramp times for the pressure command value are defined here in ms Two separate time values are entered for in...

Страница 26: ...ntrols the integrator function To reduce pressure overshoots an activation point for the integrator can be programmed via the I_ACT value The integrator is activated if the actual pressure is higher t...

Страница 27: ...oose between differential and unipolar output types Differential voltage for 100 o 10V o 10V Between PIN 15 and 16 Single ended current with zero point at 12mA for 100 o 4 12 20mA o 20 12 4mA Between...

Страница 28: ...aling mode Command Parameter Unit Group AINMODE x x EASY MATH TERMINAL The command AINMODE is used to choose the input scaling method In the EASY mode the default mode the user may choose via the SIGN...

Страница 29: ...Input Description AIN I 1000 1000 0 V 0 10 V Range 0 100 AIN I 10 8 1000 V OR AIN I 1000 800 1000 V 1 9 V Range 0 100 1 V 1000 used for the offset and gained by 10 8 10 V divided by 8 V 9 V 1 V AIN I...

Страница 30: ...pressure input signal Command value after ramp generator Actual value Pseudo differential pressure Feedback signal 1 input signal Feedback signal 2 input signal Control deviation Output signal of the...

Страница 31: ...and signal PIN 6 4 20 mA Out of range or broken wire The output will be switched off Feedback signal PIN 13 4 20 mA Out of range or broken wire The output will be switched off Feedback signal PIN 14 4...

Страница 32: ...rror press the command SAVE button to delete the data error The system reloads the DEFAULT data With the WPC 300 operating program the fault can be localized directly via the monitor ENABLE is active...

Страница 33: ...for an arbitrary command name expandable by an index Indexed commands are indicated by the sign i oder I is a dummy for the index E g an index can be A or B depending on the direction x parameter valu...

Страница 34: ...Page 34 of 34 PQ 132 U 05 06 2020 7 Notes...

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