jw666

QUOTE (rolfk @ Nov 17 2008, 03:17 PM) Thank you for your help. I am way above my level of expertise. I found a way to use simpler serial communication. Thanks again! jw666

All, Just an update, I have been able to use functions InitComPort930, CommDLLVersion930, SetAxis930 with Labview's Call Library function. As for the othe functions, I'm stumped. On Pacific Scientific's website I found interface notes for C, C++. below are the notes. The C / C++ interface is as follows: int InitComPort930(int argPortNum); int ExeCmd930(const char *cmd); int GetVar930(const char *name, double *value); int PutVar930(const char *name, double value); int SetAxis930(int a); What are ExeCmd930, GetVar930 and PutVar930 functions looking for? integers of the vaiables and commanad or what? Thanks in advance, jw666

Has anyone used 930 Comm32 .dll from Pacific Scientific? The OC930 is an option card that allows serial interface with a pc or plc to a servo motor driver. Pacsci's website has a hardware and software reference manual that gives parameters to set tuning, position, loop gearing, velocity, etc. I have software that allows for the automated setup of a particular motors and drivers interface. I am interested in using Labiew to control speed, direction, acceleration, deceleration, speed feedback, enable, etc. This is done thru a serial port. I am not sure even how to approach initalization of the serial communcation with the dll. The OC930 card appears to only use 9600 baud communication. I am using Labview 7.1 and have the call library function node with several function names including InitComPort930, CommDllCompileTime930, CommDllVersion930, ExeCmd930, GetVar930, PutVar930, SetAxis930. Where do I start?