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REXROTH VT-HACD-3-2 Series, Manual

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REXROTH VT-HACD-3-2 Series Manual Download Page 1

1/16

Digital closed-loop control 

electronics

Type VT-HACD-3

Component series 2X

RE 30543/12.10

Replaces: 01.10

Table of contents

H7688

Content 

Page

Features 

2

Ordering code 

3

Software project planning 

4

Overview of the controller functions 

5

Functional description 

6 and 7

Block diagram 

9

System overview, interfaces 

10

Technical data 

11 and 12

Pinout 

13

Unit dimensions 

14

Project Planning / Maintenance Instructions / 
Additional information 

15

Summary of Contents for VT-HACD-3-2 Series

Page 1: ...contents H7688 Content Page Features 2 Ordering code 3 Software project planning 4 Overview of the controller functions 5 Functional description 6 and 7 Block diagram 9 System overview interfaces 10 Technical data 11 and 12 Pinout 13 Unit dimensions 14 Project Planning Maintenance Instructions Additional information 15 ...

Page 2: ...ction overlap compensation residual velocity logic and zero point correction 10 V reference voltage output Serial interface RS232 Up to 32 electronics can be interconnected for parameter ization and diagnosis via the local bus Fields of application Machine tools Plastics processing machines Special machines Presses Transfer systems Technology functions Sequence parameterization Positioning Pressur...

Page 3: ...iption Material number Interface cable RS232 length 3 m R900776897 USB RS232 converter R901066684 Plug in connector type 6ES7972 0BA41 0XA0 for PROFIBUS DP R900050152 CD with BODAC software SYS HACD BODAC 01 R900777335 Digital closed loop control electronics Standard 3 Component series 20 to 29 2X 20 to 29 unchanged technical data and pinout Options Hardware marking Position transducer I Increment...

Page 4: ...g and the machine sequence are optimized at the machine PC program BODAC For the implementation of the project planning tasks the BODAC PC program is available to the user It serves the programming setting and diagnosis of the HACD Scope of services Comfortable dialog functions for setting the machine data online or offline Dialog window for setting the parameter values online Comprehensive option...

Page 5: ...al voltage principle Compensation of zero point errors State feedback via Pressure Pressure differential Position Command value provision Pressure force controller PIDT1 controller I component switchable via window Pressure differential analysis Command value provision Velocity controller PI controller I component switchable via window Monitoring functions Dynamic tracking error monitoring Cable b...

Page 6: ...multiplication division as well as minimum maxi mum value generator area ratio and limiter Addition Z X Y Subtraction Z X Y Multiplication Z X Y 100 Division Z X Y 100 MIN Minimum value generator Z MIN X Y MAX Maximum value generator Z MAX X Y RATIO Entry of a ratio for RATIO 1 Z X RATIO Y for RATIO 1 Z X Y RATIO e g area ratio with pressure differential measurement LIMIT Signal limiter Z MIN X Y ...

Page 7: ... can be used for dampening the controller output Controller structure P I DT1 T1 D Adjustment to hydraulic system For the optimum adjustment to the particularities of hydraulic drives the following functions are implemented upstream the analog output Direction dependent gain 10 For positive and negative values the amplification can be set separately In this way adjustment to the area ratio of a si...

Page 8: ... 30543 12 10 Block diagram Mode 3 structural editor AND OR Digital inputs Digital outputs Thresholds Dwell time Internal flags Error Block time Trigger condition 1 Trigger condition 2 Command value internal variable Velocity Acceleration LFB2 Variable Controller parameter Command value internal variable Velocity Acceleration LFB1 variable Controller parameter Enable 1 Analog inputs voltage or curr...

Page 9: ...5 10 11 12 13 14 15 U U LO2 AO2 OUT2 X2 Y2 8 17 MIN MAX Limit Jump MIN MAX Limit Jump 10 11 12 13 14 15 AGND AGND RE 30543 12 10 VT HACD 3 2X 9 16 Hydraulics Bosch Rexroth AG Control digital outputs Error detection Controller Controller Controller Substitutional 12 Residual velocity and overlap jump 13 Offset 14 Limitation 15 Analog outputs voltage or current 16 OK output and digital outputs 17 Ma...

Page 10: ...S L S NS X7E2 X7E1 MS 10 16 Bosch Rexroth AG Hydraulics VT HACD 3 2X RE 30543 12 10 System overview interfaces Superior control Possible interfaces with the VT HACD 3 2X Analog signals Digital inputs outputs Serial interface Bus systems 1 Single rod cylinder 2 Integrated position measurement system 3 Proportional servo valve with integrated control electronics 4 VT HACD 3 2X 5 Connection cable 6 P...

Page 11: ... selectable via software Input current IE 0 20 mA Leakage current IV 0 1 to 0 4 Resolution 5 µA Technical data 1 If a 24 V encoder supply is implemented directly via the VT HACD 3 2X supply voltage is looped in the transduc er specification has to be observed Analog outputs Quantity 3 AO1 configuration as voltage output Output voltage U 0 10 V or 10 V configurable Output current Imax 10 mA Load RL...

Page 12: ...uency referring to Ua1 fmax 250 kHz SSI transducer Due to the higher control quality an SSI transducer with clock synchronization should be used Coding Gray code binary code Data width Adjustable up to max 28 Bit Line receiver line driver RS485 Voltage supply for SSI transducer via the VT HACD 3 2X U I UB max 200 mA Reference potential for all signals GND Reference voltage per axis electronics Ure...

Page 13: ...1 LCAN_H 2 TxD 3 RxD 4 Reserved 5 GND 6 Reserved 7 Reserved 8 Reserved 9 LCAN_L X1S Power Pin 1 GND 2 GND 3 18 30 V X7P PROFIBUS DP Pin 1 Reserved 2 Reserved 3 RxD TxD P 4 CNTR P 5 DGND 6 VP 7 Reserved 8 RxD TxD N 9 Reserved X2M1 Encoder DIO digital 1clk 2clk 1clk 2clk 1D A 2D B 1D A 2D B Z Z 24V 24V GND GND DI1 DO1 DI2 DO2 DI3 DO3 DI4 DO4 DI5 DO5 DI6 DO6 DI7 DO7 DI8 ok X2A1 AIO analog Ref Enable ...

Page 14: ...PROFIBUS DP PWR GND GND 18 30V 0 1 2 3 4 5 6 address PWRRUNBUS o n HACD RS232 X7P D X2M1 encoder 1clk 1clk 1D A 1D A Z 24V GND 2clk 2clk 2D B 2D B Z 24V GND DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 DO1 DO2 DO3 DO4 DO5 DO6 DO7 ok DIO AIO X2A1 enable AI1 AI2 AI3 AI4 AI5 AI6 AO1 AO3 AI1 AI2 AI3 AI4 AI5 AI6 AO2 AGND ref VT HACD 3 2X without Ethernet VT HACD 3 2X with Ethernet 14 16 Bosch Rexroth AG Hydraulics ...

Page 15: ...r systems and their components Hydraulics EN 982 If electromagnetic interference must be expected take appropriate measures to safeguard the function depending on the application e g screening filtration For more information refer to the BODAC software description 30543 01 B and the 30543 B operating instructions The upper and lower ventilation slots must not be concealed by adjacent units in orde...

Page 16: ...ay not be reproduced or given to third parties without its consent The data specified above only serve to describe the product No state ments concerning a certain condition or suitability for a certain applica tion can be derived from our information The information given does not release the user from the obligation of own judgment and verification It must be remembered that our products are subj...

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