4 |  RMC-100| 2105552MNAE 
4.9  Configure input and output ..................................................................................... 67 
4.9.1  Change the view option ............................................................................. 67 
4.9.2  Analog input configuration .......................................................................... 68 
4.9.3  Analog output configuration ........................................................................ 68 
4.9.4  Digital input and output configuration........................................................... 68 
4.9.5  Pulse input configuration ............................................................................ 69 
4.9.6  Expand I/O capacity with the ABB XIO ......................................................... 70 
4.10  Configure directly attached TFIO interfaces ................................................................ 70 
5  Advanced setup .......................................................................................................... 73 
5.1  Configure the LCD backlight .................................................................................... 73 
5.2  Configure low power use......................................................................................... 74 
5.3  Configure low charger alarm.................................................................................... 75 
5.4  Customize the LCD display ...................................................................................... 75 
5.4.1  Configure the number of display groups........................................................ 77 
5.4.2  Assign annunciators .................................................................................. 80 
5.4.3  Configure a display group........................................................................... 83 
5.4.4  Configure group display items ..................................................................... 86 
5.4.5  Configure the plot for a display item (optional) .............................................. 91 
5.5  Enable SSH/SFTP .................................................................................................. 96 
5.6  Application credits (credit key) ................................................................................ 96 
5.7  Verify the applications ............................................................................................ 97 
5.8  Enable RMC for MQTT support ................................................................................. 97 
6  Configure security (recommended) ............................................................................. 99 
6.1  Access points ........................................................................................................ 99 
6.2  Communication interfaces ....................................................................................... 99 
6.2.1  User-enabled services ............................................................................... 99 
6.2.2  Open Transmission Control Protocol (TCP) ports ........................................... 100 
6.3  Denial of Service (DOS) threshold rates .................................................................. 101 
6.4  Security guidelines .............................................................................................. 101 
6.5  Configure bi-level security with security switch ......................................................... 102 
6.6  Configure Role-Based Access Control (RBAC) ........................................................... 103 
6.6.1  Default access roles ................................................................................ 104 
6.6.2  Set up and create a new RBAC security control file ....................................... 104 
6.6.3  Edit the security file ................................................................................ 105 
6.6.4  Create a new user account ....................................................................... 106 
6.6.5  Enable RBAC authentication on communication ports .................................... 107 
6.6.6  Use default RBAC credentials .................................................................... 108 
6.7  Secure the SSH/SFTP service ................................................................................ 110 
6.7.1  Supported SSH/SFTP accounts .................................................................. 110 
6.7.2  SSH/SFTP authentication ......................................................................... 110 
6.7.3  Update default SSH/SFTP keys .................................................................. 111 
7  Calibration ................................................................................................................ 126 
7.1  Analog input calibration ........................................................................................ 127 
7.1.1  Connect calibration equipment .................................................................. 127