Due to the lack of RS232 communication port on modern PC, MiCOM E2 USB/RS232 cable is a usefull accessory for all MiCOM Px2x relays owners. It allows the user to retrieve data or modify parameters with MiCOM S1 whatever is the kind of computer used.
Moreover, MiCOM E2 USB/RS232 cable is able to power MiCOM Px2x from the RS232 front port :

• when relays are not yet powered up before commissioning
• when the auxiliary power supply of the relay is off or has failed
• when no appropiate power supply is available (demonstration, exhibition ...)
• when selfpowered relays has tripped to do post fault analysis (P124S)

Warning: This function is only available with MiCOM Px2x (Not with MiCOM Px3x nor MiCOM Px4x)