2 when using the st-3300 series, 2 when using the st-3300 series -18 – Proface AGP3500 - 10.4 DIO HMI" User Manual

AGP3400 - 7.5 DIO HMI", AGP3300 - 5.7 DIO HMI", AGP3600 - 12.1 FLEX Network HMIs", AGP3500 - 10.4 FLEX Network HMI", AGP3400 - 7.5 FLEX Network HMI", AGP3600 - 12.1 CANopen HMI", AGP3500 - 10.4 CANopen HMI", AGP3400 - 7.5 CANOpen HMI", AGP3300 - 5.7 CANopen HMI", AGP3300H - 5.7 Handheld HMIs", AGP3750 - 15 Multi-Media HMI", AGP3650 - 12.1 Multi-Media HMIs", AGP3550 - 10.4 Multi-Media HMIs", AGP3450 - 7.5 Multi-Media HMI", AGP3360 - 5.7 Multi-Media HMI", AST3300 - 5.7 Basic HMI", AST3200 - 3.8 Basic HMI", AGP3600 - 12.1 Standard HMIs", AGP3500 - 10.4 Standard HMIs", AGP3400 - 7.5 Standard HMI", AGP3300 - 5.7 Standard HMI", AGP3200 - 3.8 Standard HMI"