AH Series CPU supports digital input/output modules, analog input/output modules, temperature measurement modules, network modules, motion control modules, and remote I/O modules. AH06XA-5A is analog input/output module with 4 channel Analog input (voltages or currents) and 2 channel Analog output (voltages or currents) 04/02 CH AI/AO,±10VDC,±20mA Input,16-bit Resolution,150µs/CH Conversion Time