Table Of Contents - WEST PAM-198-P Technical Documentation Manual

Power amplifier for directional valves with feedback position control
Table of Contents

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1
General Information ...................................................................................................................................................... 4
1.1
Order Number ....................................................................................................................................................... 4
1.2
Scope of supply .................................................................................................................................................... 4
1.3
Accessories .......................................................................................................................................................... 4
1.4
Symbols used ....................................................................................................................................................... 5
1.5
Legal notice .......................................................................................................................................................... 5
1.6
Safety instructions ................................................................................................................................................ 6
2
Characteristics .............................................................................................................................................................. 7
2.1
Device description ................................................................................................................................................ 8
3
Use and application ...................................................................................................................................................... 9
3.1
Installation instruction ........................................................................................................................................... 9
3.2
Typical system structure ..................................................................................................................................... 10
3.3
Method of operation ............................................................................................................................................ 11
3.4
Commissioning ................................................................................................................................................... 12
4
Function modes and technical description .................................................................................................................. 13
4.1
Input and output signals ..................................................................................................................................... 13
4.2
LED Indications .................................................................................................................................................. 13
4.3
Circuit diagram ................................................................................................................................................... 14
4.4
Typical wiring ...................................................................................................................................................... 15
4.5
Input connection (examples)............................................................................................................................... 15
4.6
Technical data .................................................................................................................................................... 16
5
Parameter ................................................................................................................................................................... 17
5.1
Parameter list ..................................................................................................................................................... 17
5.2
Basic parameters ................................................................................................................................................ 19
5.2.1
LG (Changing the language for the help texts) .......................................................................................... 19
5.2.2
MODE (Selecting visible parameter group) ................................................................................................ 19
5.2.3
CTRLMODE (activation spool positioning control) ..................................................................................... 19
5.2.4
CCMODE (Activation of the characteristic linearization) ............................................................................ 20
5.2.5
SENS (Failure monitoring) ......................................................................................................................... 20
5.3
Input signal adaption .......................................................................................................................................... 21
5.3.1
AIN (Analogue input scaling) ..................................................................................................................... 21
5.3.2
SIGNAL:U (Type and polarity of the control signal) ................................................................................... 22
5.3.3
VA:OFFSET (Zero point setting) ................................................................................................................ 22
5.3.4
VA:MIN (Minimum control) ......................................................................................................................... 23
5.3.5
VA:MAX (Maximum control) ....................................................................................................................... 23
5.3.6
VA:TRIGGER (Response threshold for the MIN parameter) ...................................................................... 23
5.4
Signal processing ............................................................................................................................................... 24
5.4.1
RA (Ramp function) ................................................................................................................................... 24
5.4.2
CC (Characteristics linearization) .............................................................................................................. 25
5.4.3
MIN (Overlap compensation) ..................................................................................................................... 26
5.4.4
MAX (Output scaling) ................................................................................................................................. 26
5.4.5
TRIGGER (Threshold value of MIN function) ............................................................................................. 26
5.5
Parameters of the closed loop controller ............................................................................................................ 27
5.5.1
PID controller ............................................................................................................................................. 27
5.5.2
Integrator control ........................................................................................................................................ 28
5.6
Parameters of the power stage........................................................................................................................... 29
5.6.1
CURRENT (Nominal solenoid current) ...................................................................................................... 29
5.6.2
DAMPL (Dither amplitude) ......................................................................................................................... 29
5.6.3
DFREQ (Dither frequency) ......................................................................................................................... 29
5.6.4
PWM (PWM frequency) ............................................................................................................................. 29
Page 2 of 33
CONTENTS
PAM-198-P
05.06.2020

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