The Modbus expander PXP-3048MB no more available in Schneider offer, since it is not a Drive BU validated product. Also there is no alternate reference available with us for this Modbus port expander.
The PXP3148 is a port multiplexer with 3 serial ports: 1 controller port and 2 master ports.
It allows connection of a remote keypad on one master port and the other master port remains available for control/monitoring
It will work with all the ATV series drives & ATS series soft starters.