W.E.ST. PQ-132-U Technical Documentation Manual Download Page 11 | Manualshive

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PQ-132-U

3.2 Typical system 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…

(*5)

Interface to PLC with analogue and digital signals

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Summary of Contents for PQ-132-U

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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