Frequently asked questions
What is the current rating on the M221 logic controller “Serial Port 1 (SL1)”?
FA265538
30 September 2021
On M221 PLC, Serial Port1 (SL1) with an RJ45 connector when using RS485 as a physical medium, can deliver a voltage of 5V,200mA via pin 7 and pin 8 to supply Magelis HMI or Bluetooth adaptor with power.
Note: Only SL1 port supply the power, NOT SL2.