My laptop doesn't have a serial communication port. Now, I would like to use it to program various industrial staples like PLC's, HMI's, AC/DC/Servo Drives. I believe my best choice to be a Serial RS-232 PCMCIA Card, but I am also finding various USB to RS-232 converters. One of my biggest...
Please excuse my ignorance, I'm relatively new to PLC and HMI programming.
I have been given the task of monitoring twelve (12) analog signals with a Siemens S7-200 PLC. This PLC is to be connected to a touchscreen. The operator will impose four (4) limits on each analog signal - a hi/lo...
