Danfoss EEA-PAM-591-A-10 User Manual Download

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Installation Guide

Servo Amplifier

EEA-PAM-591-A-10

www.danfoss.com

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Summary of Contents for EEA-PAM-591-A-10

Page 1: ...Installation Guide Servo Amplifier EEA PAM 591 A 10 www danfoss com ...

Page 2: ...Revision history Table of revisions Date Changed Rev August 2023 First edition 0101 Installation Guide Servo Amplifier 2 Danfoss August 2023 BC459665217198en 000101 ...

Page 3: ...mplifier Discussed Operating Data Amplifier Settings Amplifier Set up Application Notes Control Input Options PID Set Up Procedure Accessory Products Installation Guide Servo Amplifier Contents Danfoss August 2023 BC459665217198en 000101 3 ...

Page 4: ...and front panel adjustments by referring to the Amplifier Settings section 3 Set up the amplifier card current limits and null adjustments by referring to the Amplifier Set Up section 4 Decide on your application needs position control velocity control force control etc and the characteristic of your command feedback input signals voltage or current Then set the switches on the amplifier card inst...

Page 5: ... 2 and S2 3 are used to activate the Integral Gain stage and switches S2 4 S2 5 and S2 6 are used to activate the Derivative Gain stage see switch descriptions for details The Proportional Gain can be used to influence system stiffness and possibly accuracy This stiffness is typically described as system response The Derivative Gain provides a means for system damping This damping is effective in ...

Page 6: ...ct the amplitude of this signal while potentiometer P12 will adjust the frequency factory set at 200 hz The amplifier is factory set for 200 ma output however if desired the maximum output capability can be reduced via on board jumper JP1 The amplifier provides three jumper positions labeled A B and C When jumper JP1 is in the C position the amplifier can output 200 ma 100 ma when in the B positio...

Page 7: ...rt circuit protected 1 mv ma short circuit protected Edge connector monitor points P I D output monitor Pre amp output monitor At pin B18 10 v at 5 ma At pin Z26 6 v at 2 ma Input bias 0 to 10 vdc Output bias 0 to 12 of full scale output Current limiters 0 to full scale output current Dither Amplitude Frequency 0 to 20 of full scale output current 50 to 400 hz Proportional Gain 1 v v to 20 v v Int...

Page 8: ...olt Switch S2 3 should never be closed at the same time as this switch S2 3 I Gain Enable Used to control the Integral Gain stage input Set closed the integrator is disabled Set open in conjunction with S2 1 or S2 2 closed the integrator is enabled Switch S2 1 and switch S2 2 should never be closed at the same time as this switch Note If the Integral Gain is not used close S2 3 and ground the inte...

Page 9: ... range See switch description for range settings Too much Integral Gain may cause oscillations Factory set fully CCW D Gain Affects the amount of Derivative Gain that is applied to the control signal Providing D Gain stage is enabled see switch descriptions Ajusted fully CCW the Derivative Gain is 05 volt sec volt in the low range and 3 volt sec volt in the high range Adjusted fully CW the Derivat...

Page 10: ...djust output bias for 0 000v 1mv 1 ma output current Adjusting Current Limiters The purpose for setting the current limiters is to establish a relationship between maximum control signal amplitude and maximum valve current This procedure will utilize the input bias as on board command source to set the current limits 1 While monitoring front panel test point TP1 adjust input bias for 10v To utiliz...

Page 11: ...sition control utilizing full P I D Typical velocity or pressure control Typical force control utilizing P and D Installation Guide Servo Amplifier Application Notes Danfoss August 2023 BC459665217198en 000101 11 ...

Page 12: ... ratio Switch S1 2 can be set to either A or B Refer to switch description Option 2 In this configuration command and feedback signals are voltages of the same polarity For this configuration the ratio pot should be adjusted fully CCW When using this configuration care must be taken that switches S1 1 and S1 2 are not set to the same position In this example the command is not inverted so switch S...

Page 13: ...ent loop signal must be calibrated If the 4 20 ma signal is to be summed with a single ended control signal Ex 0 to 10v apply 4 ma s and adjust the input bias so test point TP1 reads 0 00v If the signal is to be summed with a double ended control signal Ex 10v apply 12 ma s and adjust the input bias for 0 00v at test point TP1 Installation Guide Servo Amplifier Control Input Options Danfoss August...

Page 14: ...ing error signal Tuning Procedure 1 Connect a monitoring device such as an oscilloscope or an XY recorder to the COMMAND INPUT and the FEEDBACK signals see Control Input Options Caution Care should be taken when taking measurements using TP2 If this test point should become grounded the feedback command will change in turn causing unintended operation Do not attempt to visually eyeball the results...

Page 15: ...he Integral Gain to eliminate any steady state error Remember that you want the Integral Gain to be disabled RESET during the dynamic part of the motion cycle If Integral Gain is improperly timed the overshoots will return This is usually caused by the interaction between the Derivative and Integral terms as they fight each other for control If Integral Gain is set too high you may even lose contr...

Page 16: ...ching desired command level Figure 5 Moderate overshoot Figure 6 Eliminated overshoot by adding Derivative Gain Installation Guide Servo Amplifier PID Set Up Procedure 16 Danfoss August 2023 BC459665217198en 000101 ...

Page 17: ...Figure 7 Better response using additional P and D Gain Installation Guide Servo Amplifier PID Set Up Procedure Danfoss August 2023 BC459665217198en 000101 17 ...

Page 18: ... of 3U height Connector DIN 41612 F48 female Connections Screw terminals Dimensions 5 1 in x 5 7 in x 2 2 in Assembly order number 732683 Female edge connector for 19 rack Style Adaptable into rack housing Connector DIN 41612 F48 female Connections Solder terminals Dimensions 3 74 in x 1 15 in x 69 in Assembly order number 508178 Command and ramp generator EEA DSG 453 A 10 Supply voltage 24 vdc 4 ...

Page 19: ...anfoss Power Solutions US Company 2800 East 13th Street Ames IA 50010 USA Phone 1 515 239 6000 Danfoss Power Solutions Trading Shanghai Co Ltd Building 22 No 1000 Jin Hai Rd Jin Qiao Pudong New District Shanghai China 201206 Phone 86 21 2080 6201 Danfoss can accept no responsibility for possible errors in catalogues brochures and other printed material Danfoss reserves the right to alter its produ...

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