2/21/2020 6:30 PM | |
Posts: 174 Rating:
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CM RS 232 ptp module first 2 LEDs are blinking orange color while modbus communication. The 3rd Led unlit or not blinking. What is the function of 3rd led? |
2/22/2020 12:52 PM | |
Joined: 4/28/2015 Last visit: 2/7/2024 Posts: 10533 Rating:
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Hello, if you have some questions about used modules, you need check respected module manual/documentation where you find all infos you need. S7-1500 CM RS232 BA module PDF This LED is MAINT indication as documentation said. You have there also combinations and flashes for next investigation. |
With best regards... |
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