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Contents | Kuhnke Electronics | | Instruction manual Posi Control | | | KUAX 671 £16568 [ | 12.08.1999 | | 1. General 2. Explanations of the functions of the KUAX 671 2.1. The principle 3. KUAX 671 dyn 3.1. Compensation of dead centre time: definition 4. Hardware of the KUAX 671 1. General 2. Mechanical design 3. Ilustration of the control unit 4, Installation plan 5. Expansion steps 6. Counting direction of the rotation encoder 7. Plug connectors and pin wiring plan 8, Posi Control with report outputs 9. External program selection 10. Special functions by external selection 5. The KUAX 671 PG hand terminal 1. General 2.
IMlustration of the hand terminal unit 3, Survey of the control keys on the KUAX 671 PG keyboard 6. Technical specifications of the KUAX 671 system 1. Dimensions of the KUAX 671 cam controller 2. Dimensions of the KUAX 671 PG hand terminal 1. Mounting and front panel fitting Inhalt-1
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9. Using the 10-key pad to set cams 25 1. General 2, Selecting the direction of rotation 3. Encoder types 4, Note regarding encoder couplings and gearing 10.Displaying the cam data 25 11. Optimizing the cams 25 26 12, Deleting a cam 13. Deleting an output 14, Deleting a program 5. Technical specifications and pin assignments 27 15. Copying 25 27 16. Program transfer 17. Dead-time compensation 28 18. Language selection 1, Absolute angle encoder with screw-in plug connection 2. Absolute angle encoder with cable 29 2. Self-test 1. General 31 32 33 33 BEES 2. Switching off an external output or 1. Starting routine 2. Entering the num.
code for the programming mode 3, Changing the numerical code (programming access code) 35 7. Changing the program number 8. Using the TEACH-IN mode toset cams (memorizing the encoder position) Inhalt-2 3, Parity check (red LED) 4, Malfunction indicators overview 3. Malfunction messages at the hand terminal ions 12. Handling and installation instruct for the KUAX 671 1. Handling instructions 2. Installation instructions 13. Order information 1. Posi Control electronic cam controller 2. Hand terminal with connector cable access code) 6. Changing an output 1, RUN indicator (green LED) 51 51 51 52 52 53 57 57 57 35 4, Displaying the numerical code (programming 5.
Initializing the cam controller 3. Malfunction indicators (red LED) 2, KS/BATT (short-circuit) indicator 2. The operating modes for the KUAX 671 PG hand 4, Changing the parity check 4, Program generation and display 49 generate programs cators 31 setting a zero point 3. System information 47 11. Operation and malfunction indi hand terminal 3. Special functions 1. Changing the program selection 45 29 9, Programming using the KUAX 671 PG terminal 42 10. Using a personal computer to 8. Power packs 1. Technical specifications 2. Dimensions 41 RRS 7. The absolute encoder systems 3, Programming software 37 38 4. Encoder systems: 5. Accessories: 6. Power packs: 59 59 61 62 62 62 39 Inhalt-3
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1. General not only to The KUAX 671, the electronic cam control unit, is intended functions replace mechanical program controls, but also to execute their to reduce more precisely, to expand their range of applications theandpossibili ty of operator the gives It tear. and wear to ility susceptib times. Utilizing flexible manufacturing with of the shortest possiblen set-up modem electronic concepts has simplified operatio and programming. are to be executed The KUAX 671 can be used wherever control functions ty we have versatili enhance To shaft. a of position the with in accordance ing and display unit separated the cam controller itself from the (the hand terminal).
It may thus be installed independently at any convenient location in the switching cabinet. controller at any The hand terminal can, of course, be connected to the cam at time via the interface; this facilitates checking or changing programs right the machine. hand Programming the KUAX 671 is as simple as could be, using the compatibl e terminal. But a personal computer (IBM PC with MS-DOS and computers) may also be used. This makes it possible to store the programs (on floppy disks. The cam programs can also be printed as an instruction list 2. Explanations of the function of the KUAX 671 2.1 The principle amming we have .
‘To make it easy to understand operation and progr ical cam controller in followed the basic principles utillized in a mechan developing the electronic cam controller. contacts as the high sectors ‘A mechanical cam controller opens and closes This raised profile along the whee! of a circular wheel pass by the contacts. is known as a “cam”. mounted in Each wheel represents an “output”. The .number of wheels outputs of r numbe the to equal is parallel ing the KUAX 671 electronic cam ‘This principle has been adopted in design thus consists of entering the _ cam ular partic controller. Programming a or open the contacts. The output is ‘tions at which the cam is to close switching points.
"on" (contacts closed) between these two {— or diagram. Copying programs within the cam controller is possible; and you can also Switch on Switch off copy from one cam controller to another. ‘The hand terminal is also designed for front panel mounting; this gives you Illustration of the cam controller operation continuous access to the cam controller. ‘As encoder systems, wear-free absolute angle encoders are employed with a resolution of 180, 360 and 1000 divisions per revolution. ing ‘expansions of the Moreover, the use of electronics makes the follow controller functions possible: - ‘A large number of cams can be programmed ‘output, each with precise switching points.
in sequence to the same - Every programmed cam can easily be changed or deleted. which overlaps with an existing cam, the two - Iacamis cam. single a form will be "fused" to ining points of an existing cam, the switch w d with is define cam ne _ If'a the new cam will be ignored. cams can be copied precisely onto other units. ~The
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3. KUAX 671 dyn 3.1. Definition of dead-time compensation ‘When changing the encoder rotation speed, the physical dead-time compensation of mechanical positioning elements (e.g. relays, magnetic valves, rotation magnets etc.) may appear as interference. In order to compensate this interference, it is necessary to attribute to the switch-on and switch-off values ofa cam a constant time factor (dead-time compensation) independent of the rotation speed. Thus, the dead-time ‘compensation of the positioning element is considered a constant factor at any encoder rotation speed. on united ‘The KUAX 671 dyn offers four groups of dead-time compensati the deadinto 8 outputs respectively.
In each dead-time compensation group ds time compensation for the whole group can be set in250millisecon range is 1 to ms.The times thus The time y entl of each other. independ set affect all 8 outputs of the selected dead-time compensation group and are valid for 7 programs. dead-time compensation group 0 = Outputs Oto 7 8 to 15 dead-time compensation group 2 = Outputs 16 to 23 the *key. It is shown ‘You can call the encoder rotation speed up by pressingfollowing resolution: the with speed rotation m maximu the of % 60 up to 180/360 encoder = 3 rpm 1000 enco=der 1 rpm Examples of compensation ofthe dead-time compensation is given.
We assume that In the examples below an explanatory illustration the cam closes for an at a certain encoder resolution and rotation speed according time. Example: compensation of 20 ms, the If, for example, a cam is set for a dead-timebefore the switching-onJ-off values ms 20 off and on output always switches rotation speed. In this example, the cam programmed before at every encoder rotation speed.
is moved forward at an increasing Original cam dead-time compensation group 1 = Outputs © 10 20 30 40 50 60 70 80 90 dead-time compensation group 3 = Outputs 24 to 31 ‘The dead-time compensation can be programmed either via the hand terminal (as from version 3.1 on) using the function key Cirl-N or by using the PC editor "NOBES". Dyn cam 20 ms ‘The maximum encoder rotation speeds are set as follows: i pensation dead-time com- Absolute value encoder 180 steps/rev.: 500 rpm ‘Absolute value encoder 360 steps/rev.: 250 rpm ‘Absolute value encoder 1000 steps/rev.: 120 rpm If the maximum rotation speed is reached, the Parity LED lights up. Note:
If the rotation speed is increased any further, the function remains active up to ca. 150 % of the maximum rotation speed. Only the resolution is reduced. « 120 as > 7 10 20 30 40 50 60€ 20 70ms? 80. 90 «20 ms>
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