0 1 00:00:22,000 --> 00:00:23,620 Hello In this video. 1 2 00:00:23,620 --> 00:00:32,290 We are going to continue to delta plc pulse commands so they will learn today PLSV/DPLSV 2 3 00:00:32,350 --> 00:00:35,210 command 3 4 00:00:35,230 --> 00:00:38,740 So this command produces continuous pulses. 4 5 00:00:38,830 --> 00:00:43,180 First important point and the desired frequency. 5 6 00:00:43,180 --> 00:00:47,900 The second important point and in the desired direction. 6 7 00:00:47,920 --> 00:00:58,960 Third important point in here you can see command usage DPLSV D80 Y0 Y1, D80 pulse 7 8 00:00:58,960 --> 00:01:08,060 frequency value is written in this register y0 pulse output port it is assigned our dedicated pulse 8 9 00:01:08,060 --> 00:01:15,860 output port and y1 is the output selected as the direction output port not it is the command that 9 10 00:01:16,040 --> 00:01:23,420 outputs y 0 with the frequency value written in the 80 register with PLSV command here if the value 10 11 00:01:23,420 --> 00:01:32,690 written in D80s positive step and servo motors returns or turns counter clockwise and if d80 11 12 00:01:32,690 --> 00:01:42,920 negative value Y1 helps to turn these motors in the opposite direction helps is not a correct verb 12 13 00:01:43,510 --> 00:01:50,270 y1 turns in the opposite direction exactly this command is used to control both programs and the 13 14 00:01:50,270 --> 00:01:54,550 direction with the produced pulse and other one important point. 14 15 00:01:54,680 --> 00:02:03,500 For example if k 1000 value is written in the 80 step and servo turns to one direction at 1 kilohertz 15 16 00:02:03,710 --> 00:02:13,430 frequency and if k -1000 is written it generates negative pulses it is now 16 17 00:02:13,940 --> 00:02:18,320 opposite direction at 1 khz frequency this application. 17 18 00:02:18,350 --> 00:02:19,490 Let's take a look. 18 19 00:02:19,700 --> 00:02:26,930 It's a program application that generates continuous pulse at 1 khz D80 and this frequency if 19 20 00:02:26,980 --> 00:02:27,990 condition. 20 21 00:02:28,040 --> 00:02:39,140 Let's imagine in here we have a contact m0 if m 0 condition is provided from Channel 0 output for Channel 21 22 00:02:39,140 --> 00:02:49,520 0 direction input of servo connected to output y1 frequency value written in D80 22 23 00:02:49,520 --> 00:03:01,280 k1000 and the servo rotates and in y1 I mean it's positive so it's counter not a 23 24 00:03:01,280 --> 00:03:13,110 counter, clockwise direction so according to these values is plus or minus we can detect 24 25 00:03:13,140 --> 00:03:21,710 or assign a direction in second example you can see it's a program application that generates one to 25 26 00:03:21,780 --> 00:03:31,170 20 kilohertz so twenty thousand hertz but in D80 you will see this is not a positive this 26 27 00:03:31,170 --> 00:03:38,430 is negative or minus value so this frequency. 27 28 00:03:38,430 --> 00:03:41,480 Imagine in here so we have a contact. 28 29 00:03:41,700 --> 00:03:50,460 Activate this command let us give a name it m 0 condition is provided from Channel 0 output for Channel 29 30 00:03:50,460 --> 00:03:59,580 0 direction input of servo connected or step motor is connected to output y 1 the frequency value is 30 31 00:03:59,580 --> 00:04:11,130 written it equals to negative twenty thousand because of now all motors step or servo motors turns 31 32 00:04:11,310 --> 00:04:20,040 counterclockwise not clockwise in here we are turning this direction in here we are turning this direction 32 33 00:04:20,220 --> 00:04:23,050 opposite direction so PLSV 33 34 00:04:23,050 --> 00:04:32,420 Command is works like this in here we will take a look to one example when X0 input is active the 34 35 00:04:32,430 --> 00:04:41,880 stepper motors needs to rotate clockwise direction at a rate of 10 kilohertz and then it's one input 35 36 00:04:41,880 --> 00:04:50,250 is active it needs to rotate at the rate of 20 kilohertz in the counter opposite direction its two 36 37 00:04:50,370 --> 00:04:56,760 needs to stop system so write plc program according to these conditions. 37 38 00:04:56,820 --> 00:05:05,520 Let's take a look to our project 1 x 0 is active Stepper Motors needs to turn clockwise 10 kilohertz 38 39 00:05:05,550 --> 00:05:15,370 because of this we need plus ten thousand to D0, D0 is that is data register so we 39 40 00:05:15,660 --> 00:05:25,590 we defined it we selected it and if X one is activated so 20kHz an opposite direction so twenty 40 41 00:05:25,590 --> 00:05:35,970 thousand but negative twenty thousand value is going to be written in D0 in here if x 0 or x1 41 42 00:05:35,970 --> 00:05:39,930 is active but x2 is not active. 42 43 00:05:39,930 --> 00:05:48,340 So the condition is okay X0 or x 1 is coming D0 will be assigned to a situation of X0 or x 1 43 44 00:05:48,750 --> 00:05:55,670 so x0 or x1 active or not X2,, DPLSV 44 45 00:05:55,690 --> 00:06:03,770 Command is going to generate a pulses continuously at the desired frequency at the desired direction 45 46 00:06:04,040 --> 00:06:15,260 so if X0 is coming at 1000 kilohertz from the y0 our stepper motor will turn forward direction or 46 47 00:06:15,260 --> 00:06:18,450 clockwise direction if X1 is coming. 47 48 00:06:18,560 --> 00:06:25,960 So that moment minus twenty thousand times or 20 kilohertz. 48 49 00:06:25,970 --> 00:06:36,170 This is the frequency rate or frequency so it will be assigned to y0 to d1 and y1 will change the 49 50 00:06:36,170 --> 00:06:41,260 direction and we will turn another counterclockwise direction that moment. 50 51 00:06:41,390 --> 00:06:49,060 But if somebody is pressed it's too button or x 2 is activated by somebody else or something else. 51 52 00:06:49,190 --> 00:06:53,180 This contact will be high because of this. 52 53 00:06:53,180 --> 00:06:59,030 There is no flow to this instruction and system will be stopped immediately. 53 54 00:06:59,150 --> 00:07:05,330 So you can't use PLSV/DPLSV command like this. 54 55 00:07:05,330 --> 00:07:07,600 So I'm finished in this video. 55 56 00:07:07,670 --> 00:07:09,080 See you in the next video.