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MOXA UPort 1250i USB to 2 Port RS-232/422/485 HUB with isolation

M-Bus to Modbus RTU converter up to 24 MBUS slaves

Modbus RTU Protocol IO PLC Extensible Module 32 Output Relay and Transistor *ib

OMRON FH-MT12 Industrial display.

1 PC NEW ABB frequency converter ACS550-01-08A8-4 DHL or FedEx

ADAM-4572 Modbus Gateway 1-Port Ethernet TCP RTU ASCII

Novus INDICATOR N1540 2 x Relay O/P Modbus RTU RS485 PN 8154000320 100-240Vac/dc