something urgent - Tips & Tricks to better code and motor performance

something urgent

mymiaoer — Sat, 23 May 2015 10:59:26 +0000

Hello csearcy . I can't make a new topic, so i try to ask you here. I struggled in 'Historical H/W limit'alarm these days.Our machine is running for more than one year until now.But from last week, it always show 'Historical H/W (positive or negative)limit'alarm in both motors in same machine in turn.About one time in five or six hours. We already changed both motors,cables,plugs power supply,and even PLC. And made a really good ground. But it always will be there... We use Port 2 and Port 3 as limits through sensors, then connect them to Port 7. Pin 14,15 for 24V DC supply.Main power is 48V DC. Could you give me some suggestions for this error? I really don't know why this error comes now.and how to handle it now. Thank you very much.

something urgent

Jimmy — Sun, 04 Jan 2015 22:56:35 +0000

Hi,csearcy, I need to use my own PC to communicate with SMART via RS232. I should use Data Model.Unfortunately，I don't understand how to use ASCII talk to SMART. I have no idea about how to send a message in ASCII and how SMART restore this message? Which COMMAND i should use to get this message? I am not sure whether you know me or not. In a word , I want to talk to SMART via RS232 using OMRON PLC serial module. What should I do?

something urgent

Jimmy — Sun, 04 Jan 2015 22:41:00 +0000

hi，csearcy。I want to use my own PC to communicate with SMART via RS232。And i have an example parser。The code is as below. SADDR1 ECHO_OFF PID4 KP=100 KD=500 F A=1600 V=4000000 MP mm=1 //Minus Flag to one ss=0 //Main Checksum tt=0 //Command-Only Checksum nn=0 //Input Number to zero yy=0 zz=0 al=0 al=0 al=0 al=0 p=0 q=104 ab
=0 OCHN(RS2,0,N,9600,1,8,D) C10 IF LEN vv=GETCHR IF yy==0 ss=ss*2 ss=ss+vv ab=vv q=q+1 ab=0 ENDIF IF vv<33 IF yy zz=nn ELSEIF nn al
=nn*mm nn=0 ENDIF SWITCH tt CASE 1173 GOSUB100 BREAK CASE 1214 GOSUB200 BREAK CASE 500 GOSUB300 BREAK CASE 1239 GOSUB400 BREAK DEFAULT GOSUB500 BREAK ENDS ss=0 tt=0 al=0 al=0 al=0 al=0 p=0 nn=0 mm=1 yy=0 zz=0 q=104 ab=0 ELSEIF vv==44 al
=nn*mm nn=0 p=p+1 mm=1 ELSEIF vv==126 al
=nn*mm nn=0 p=p+1 mm=1 yy=1 ELSE IF vv>65 IF vv<123 tt=ss ENDIF ELSEIF vv44 IF vv==45 mm=-1 ELSE nn=nn*10 uu=vv-48 nn=nn+uu ENDIF ENDIF ENDIF ENDIF ENDIF GOTO10 C100 PRINT("MOVING TO:",al,#13) PRINT("P",al,"V",al,"A",al,#13) PRINT("CCS:",tt,#13) PRINT("TCS:",ss,#13) PRINT("ICS:",zz,#13) IF ss==zz P=al IF al>0 V=al ENDIF IF al>0 A=al ENDIF G ELSE PRINT("CHECKSUM ERROR, TCS:",ss,"ICS:",zz,#13) q=104 PRINT("CMD:") WHILE ab PRINT("ab") q=q+1 LOOP PRINT(#13) ENDIF RETURN C200 PRINT("STAT:") RS PRINT(#13) PRINT("CCS:",tt,#13) PRINT("TCS:",ss,#13) PRINT("ICS:",zz,#13) RETURN C300 PRINT("ENDING...",#13) PRINT("CCS:",tt,#13) PRINT("TCS:",ss,#13) PRINT("ICS:",zz,#13) OFF OCHN(RS2,0,N,9600,1,8,C) END RETURN C400 PRINT("ZEROING",#13) PRINT("CCS:",tt,#13) PRINT("TCS:",ss,#13) PRINT("ICS:",zz,#13) O=al RETURN C500 PRINT("ERROR",#13) PRINT("CCS:",tt,#13) PRINT("TCS:",ss,#13) PRINT("ICS:",zz,#13) RETURN END I don't know how to determine the variables,such as "mm","ss","tt","nn","yy".How to calculate Main Checksum，Command-Only Checksum,Incoming Checksum. And if i send a message in ASCII, what does the SMART do? How does it store this message?

something urgent

csearcy — Mon, 29 Dec 2014 03:19:22 +0000

If you have a host PC application that cannot be changed, then Yes... you can use the Blue Terminal window to send commands. If you need to add any special Hex or other commands, you can open the "nose" icon... which is our Serial Data Analyzer. This will let you mix Hex, Decimal, and Characters as needed... though each one is transmitted immediately. If you only need to send ASCII characters and CR... then the Blue Terminal window should work well. Please let me know if you need any further assistance. -Chuck

something urgent

csearcy — Mon, 29 Dec 2014 03:10:48 +0000

Let's make sure you need Data mode first. What development software are you using on your PC? If you can send simple ASCII commands, such as A=100 V=100000 P=2000 G ..then you may not need Data mode.

something urgent

Jimmy — Mon, 29 Dec 2014 03:07:09 +0000

Thanks a lot csearcy。I really appreciate it。But now I try to use my own PC to communicate with SmartServo。I have to use Data mode。If I download this code，could I use the blue terminal board in SMI to send information？And thank for giving me your number，but I am sorry to say that it isn't convenient to make a call，please forgive me。Thanks again。 Happy New Year！

something urgent

csearcy — Mon, 29 Dec 2014 02:46:58 +0000

The program example you showed above is only for writing a SmartMotor program that accepts commands from a custom host that cannot be replaced, and cannot send normal SmartMotor commands. This means that all of the normal Smartmotor commands will be ignored. It is best to leave the SmartMotor in Command Mode, though you can still use the OCHN command to change the baud rate, parity, or stop bits. Just be sure the last parameter in the OCHN command is the letter C. This way, all of the normal commands can be used.

something urgent

csearcy — Mon, 29 Dec 2014 02:34:05 +0000

Hi Jimmy, You have the OCHN command in the program that has the last parameter D ...this puts the motor in Data Mode(rarely used) and takes it out of Command Mode ...where the OCHN last parameter would be C. To recover... Go to the Communications Menu... and select Communication Lockup Wizard. Follow the directions to turn the power off and on and clicking when and where it tells you. This will let you Clear the EEProm. After doing this you can cycle power and the motor will be back to all factory defaults. You can call me on our US toll free number 1-888-356-0357 if you need further assistance.

something urgent

Jimmy — Mon, 29 Dec 2014 02:24:54 +0000

Cannot establish a link to motors through RS232 after i download a program to the motor。The program is as below。 A=500 V=1000000 P=0 O=0 G OCHN(RS2，0，N,9600，1，8，D) PRINT("RP",#13) C0 IF LEN a=GETCHR IF a==13 G P=0 PRINT("RP",#13) ELSE P=P*10 a=a-48 P=P+a ENDIF ENDIF GOTO0 END I don't know how to establish a new link to the motor。Please help me，thanks in advance，dears。