expander
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Controller is used for a medical vacuum system.
Stopped working -
Symptoms:
1- The microprocessor fault light constantly flashing
(Does that mean...
I have a 505-2571 Siemens Port Expander. I can talk to a 545-1101 CPU with the RS232 ports. I would like to test the 422 ports also. Can anyone...
Hi,
One of our customer is using LT2 (PLC-5 Original Platform) Processor, they want to communicate a Vision Checking System with this PLC-5...