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Pulse Control LSIs

Basic Description for PCL Series

Nippon Pulse Motor Co., Ltd.

Содержание PCD 4511

Страница 1: ...Pulse Control LSIs Basic Description for PCL Series Nippon Pulse Motor Co Ltd I In ns st tr ru uc ct ti io on n d do oc cu um me en nt ts s...

Страница 2: ...ge setting 7 7 Operating speed correction function FH correction function 8 8 Various zero return methods 8 9 Comparator 10 10 Pulsar input 13 11 Stepper motor out of step detection function 14 Instru...

Страница 3: ...g pulse outputs 21 Backlash correction slip correction 21 Vibration restriction function 21 Simultaneous start simultaneous stop 21 Mechanical input signals 22 Servomotor I F 22 Output pulse specifica...

Страница 4: ...writing and reading this series is different from the PCL 240 family The PCL5022 5023 are LSIs for controlling two axes The specifications for these LSIs when working on one axis are not as broad as...

Страница 5: ...6 5 Mpps Number of registers for specifying speed 2 FL FH 2 FL FH 3 FL FH FA for correction Number of speed step settings 8 191 13 bits 16 383 14 bits 65 535 16 bits Speed multiplication range 1x to 3...

Страница 6: ...ion stages that use linear motors An EZ encoder input terminal is available except on the PCL 240AK for inputting the Z phase signal that is output once per rotation of the encoder This is usually use...

Страница 7: ...L 240 series and PCL5022 5023 if you want to use next different operating pattern after completing one operation first the LSI confirms the end of the previous operation using the INT signal or a stat...

Страница 8: ...n 1 However the feed amount preset amount or target position still needs to be written again even if the value is the same as in the previous operation because the counter is reset to zero when the cu...

Страница 9: ...1 this method always calculates the number of pulses required to deceleration rate and stop The calculated result is used as the rampdown point The advantage of this method is that the deceleration ti...

Страница 10: ...that have S curve acceleration deceleration can make this intermediate part a straight line except for PCD series and the PCL3013 By providing a straight line here the acceleration rate will be small...

Страница 11: ...the peak of the shape will be smooth 8 Various zero return methods In the PCD series there is no other way to decelerate and perform a zero return than to turn ON the SD sensor to start deceleration a...

Страница 12: ...ll stop when the number of pulses is equal to the R0 pre register value and does not require returning to the zero position One example of its use is to zero return the motor using rotation if the ORG...

Страница 13: ...014 and PCL61oo series can store two comparator data However the PLC61oo series have a simplified version of this function This section discusses examples of the comparator function in the PCL3013 501...

Страница 14: ...Set R8 Environment register 3 bit 13 1 output an INT signal when the comparator conditions are met Set R7 Environment register 2 bits 16 to 19 00100 comparator condition R10 counter Set R7 Environment...

Страница 15: ...two comparators Basically the LSI operates with the range of the data from two comparators allowing them to function as software end limits When the comparator conditions are met the machine has move...

Страница 16: ...ately The right rotary switch is used to select the units how many pulses per tick on the dial Basically most pulsars can output A B phase signals When an operator needs to adjust the position of a wo...

Страница 17: ...o series has a deflection counter for detecting an out of step motor This counter manages the deflection amount For example if the maximum deflection detection amount is set to 5 when the difference b...

Страница 18: ...scribe enhanced control functions such as interpolation controls and a target position override function using the PCL6025 6045B for our example the top of the line NPM pulse control models The follow...

Страница 19: ...of pulses from the current position on each axis The PCL automatically identifies the axis with the larger feed amount as main axis and the other axis is the slave axis The main axis is supplied with...

Страница 20: ...peration and each subsequent operation The pre registers have the two step design shown in Figure 4 They operate as a FIFO Normally operation data is written to the 2nd pre register and when you want...

Страница 21: ...ay than the preset target position during acceleration or constant speed operation the PCL will operate with the current speed pattern and complete the positioning using the new data When target posit...

Страница 22: ...he new speed without changing the S curve characteristics POINT 5 Smooth the speed curve by using the FH correction function What is the FH correction function During a positioning operation if the fe...

Страница 23: ...t comparison results externally use as an internal synchronous start Immediate stop or deceleration stop of the operation Automatic speed change during operation Software limit function Out of step de...

Страница 24: ...an H8 CPU 16 bit 4 For a 68000 CPU 16 bit Idling pulse outputs When starting with acceleration deceleration this function makes it possible to accelerate to the initial speed after a few pulses of ope...

Страница 25: ...on each axis 1 INP Input a positioning complete signal that is output by a servomotor driver 2 ERC Output deflection counter clear signal sent to a servomotor driver 3 ALM Input an alarm signal that i...

Страница 26: ...until the current position counter becomes 0 One pulse operation Output just one pulse Timer operation The IC performs a positioning operation internally However it does not output pulses Used as a p...

Страница 27: ...go Bunkyo ku Tokyo 113 0033 Japan TEL 81 3 3813 8841 FAX 81 3 3813 7049 Web http www pulsemotor com E mail int l npm co jp North South America Nippon Pulse America Inc 1073 East Main Street Radford VA...