DVP06XA-S has four inputs, but I just use one, the other three do not, then the module on the ERROR indicator light blinking? If you will flash, how do I handle it
Posts Tagged ‘plc’
Posted in 
Tags: 
SIEMENS S7-200 to achieve 64-point temperature acquisition
April 19th, 2010 by admin
S7 EM239 is a universal input module 16 in the front-end for S7-200 analog expansion of the design, structure, shape, size and S7-200 is the same as set by the software can be entered directly standard-voltage, current , resistance, thermocouple various signals, including 0 ~ 5V, 0 ~ 50mV, 0 ~ 10mA, 4 ~ 20mA, Pt100, 50 GR, [...]
usb to serial port problem
April 19th, 2010 by admin
Into the hardware inside the computer to find the corresponding port \ Properties \ Advanced \ to port into the port number you want to like the