The part number for the M580 HART modules are as follow:
BMEAH10812 HART, 16 bits 8-channel Isolated HART Analog input Module, 4-20mA
BMEAH00412 HART, 16 bits 4-channel Isolated HART Analog output module, 4-20mA
BMEAH10812 HART, 16 bits 8-channel Isolated HART Analog input Module, 4-20mA
BMEAH00412 HART, 16 bits 4-channel Isolated HART Analog output module, 4-20mA