| EPAM3 | Meaning | Data type | EPAM4 | TYPE | Comment | 
| s_alarm_active | Variable is set if alarms are active | INT | /S/SYS/Alarm[<name>].Active | BOOL |   | 
| s_alarm[<name>].active_count | Number of active alarms | INT | /S/SYS/Alarm[<name>].ActiveCount | WORD |   | 
| s_alarm_info | Name of the configured screen page of the Alarminfo action of the last alarm selected in the alarm list | STRING | /S/SYS/AlarmList[<name>].INFO | WSTRING |   | 
| s_alarm_nr | Alarm number of the alarm last selected in the alarm list | WORD | /S/SYS/AlarmList[<name>].NR | DWORD |   | 
| s_alarm_text | Alarm text of the alarm last selected in the alarm list | STRING | /S/SYS/AlarmList[<name>].TEXT | WSTRING |   | 
| s_alarm_tin | Time alarm “Come” of the alarm last selected in the alarm list | STRING | /S/SYS/AlarmList[<name>].TIN | WSTRING |   | 
| s_alarm_tin_dt | Time alarm “Come” of the alarm last selected in the alarm list | IEC_DT | /S/SYS/AlarmList[<name>].TIN_DT | DT |   | 
| s_alarm_tout | Time alarm “Go” of the alarm last selected in the alarm list | STRING | /S/SYS/AlarmList[<name>].TOUT | WSTRING |   | 
| s_alarm_tout_dt | Time alarm “Go” of the alarm last selected in the alarm list | IEC_DT | /S/SYS/AlarmList[<name>].TOUT_DT | DT |   | 
| s_alarm_tquit | Time alarm “Acknowledged” of the alarm last selected in the alarm list | STRING | /S/SYS/AlarmList[<name>].TQUIT | WSTRING |   | 
| s_alarm_tquit_dt | Time alarm “Acknowledged” of the alarm last selected in the alarm list | IEC_DT | /S/SYS/AlarmList[<name>].TQUIT_DT | DT |   | 
| s_alarm_txtinfo | Variable with the name of the ASCII text file with the alarm specific text information (used with text list) | STRING | /S/SYS/AlarmList[<name>].TXTINFO | WSTRING |   | 
| s_alarm_type | Variable with the name of the alarm type (used with several alarm objects) | STRING | /S/APP/Alarm:Type | WSTRING |   | 
| s_backlight | Actual setting of the backlight (0-100%, default: 100%) | WORD | /S/APP/Backlight | WORD |   | 
| s_contrast | Actual setting of the contrast (0-100%, default: 50%) Only passive LCDs! | WORD |   |   | Removed completely | 
| s_dbconnection | DB connection status: 0 = not connected; 1 = connected | INT |   |   | Removed completely | 
| s_dbpasswd_change_err | DB password modification status:  | INT |   |   | Removed completely | 
| s_dbpasswd_expires | DB password, days to expiry (default value = 0xFFFFFFFF) | DWORD |   |   | Removed completely | 
| s_dbpasswd_login_err | DB login status:  | INT |   |   | Removed completely | 
| s_dbpasswd_name | DB user name | STRING |   |   | Removed completely | 
| s_dbpasswd_pw | DB password | STRING |   |   | Removed completely | 
| s_dbpasswd_pw1 | DB new password | STRING |   |   | Removed completely | 
| s_dbpasswd_pw2 | DB new password repetition | STRING |   |   | Removed completely | 
| s_dhcp_mode  | 0 = DHCP disabled, static IP address | INT | /S/SYS/Ethernet[0].DhcpMode | STRING |   | 
| s_dns1_ip  | DNS1 address of the target system (input in format xxx.xxx.xxx.xxx) | STRING | /S/SYS/Ethernet[0].Dns1IpAdr | STRING |   | 
| s_dns2_ip  | DNS2 address of the target system (input in format xxx.xxx.xxx.xxx) | STRING | /S/SYS/Ethernet[0].Dns2IpAdr | STRING |   | 
| s_edit_val | Last value input | STRING | /S/SYS/Edit_Val | WSTRING |   | 
| s_epam_date |    EPAM date (creation date) | STRING | 
 |   | Removed completely | 
| s_epam_version | Current EPAM version | STRING | /S/SYS/RtsVersion | STRING |   | 
| s_gateway_ip | Current IP address of the gateway (input in format xxx.xxx.xxx.xxx) | STRING | /S/SYS/Ethernet[0].GatewayIpAdr | STRING |   | 
| s_helptext | Current Help text number | WORD | /S/SYS/HelpText | WORD |   | 
| s_input_val | Current input value | STRING |   |   | removed completely, see #variable option mirror | 
| s_irtouch  | 1 with IR touch screen; 0 others  | INT | /S/SYS/IrTouch | WORD |   | 
| s_language | Current language | STRING | /S/APP/Language | WSTRING |   | 
| s_limit1 | Current lower limit value | STRING | /S/SYS/Limit1 | WSTRING |   | 
| s_limit2 | Current upper limit value | STRING | /S/SYS/Limit2 | WSTRING |   | 
| s_myrecipetype _dnload_max | Number of recipe variables of the corresponding recipe type for download (the system variable is created for every defined recipe type) | WORD |   |   | not implemented | 
| s_myrecipetype_cur_file | Recipe file currently selected in the recipe list for each recipe type defined (without extension) | STRING | /S/SYS/RecipeList:SelectedFile | WSTRING | 
 | 
| s_myrecipetype_cur_name | Recipe name currently selected in the recipe list for each recipe type defined | STRING | /S/SYS/RecipeList:SelectedName | WSTRING | 
 | 
| s_myrecipetype_dnload_act | Current number of loaded recipe variables for download (the system variable is created for every defined recipe type) | WORD |   |   | not implemented | 
| s_myrecipetype_file | Recipe file for each recipe type defined (without extension) | STRING | /S/APP/Recipe[<type>].file | WSTRING |   | 
| s_myrecipetype_name | Recipe name for each recipe type defined | STRING | /S/APP/Recipe[<type>].name | WSTRING |   | 
| s_myrecipetype_upload_act | Current number of loaded recipe variables for (the system variable is created for every defined recipe type) | WORD |   |   | not implemented | 
| s_myrecipetype_upload_max | Number of recipe variables of the corresponding recipe type for upload (the system variable is created for every defined recipe type) | WORD |   |   | not implemented | 
| s_mytrend_c1 | Current value at cursor position | As per Trend | /S/SYS/Trend[<name>].c[<index>] | As per DataLog |   | 
|   |   |   | /S/SYS/Trend[<name>].c[<index>].s | WSTRING |   | 
| s_mytrend_c2 | Current value at cursor position | As per Trend |   |   |   | 
| s_mytrend_c3 | Current value at cursor position | As per Trend |   |   |   | 
| s_mytrend_c4 | Current value at cursor position | As per Trend |   |   |   | 
| s_newpage | New screen page name Setting this variable initiates a screen page change to screen page s_newpage | STRING | /S/SYS/NewPage | WSTRING |   | 
| s_pageidx | Current screen page ID (in conjunction with option ID) | UINT | /S/SYS/PageId | WORD |   | 
| s_pagename | Current screen page name | STRING | /S/SYS/PageName | WSTRING |   | 
| s_password | Current password entry | STRING | Any name | WSTRING |   | 
| s_password_x | Defined password for authorization level x | STRING | /S/APP/Password_<pwl> | WSTRING |   | 
| s_plcstate | Current status (1=Stop, 0=Run) of local controller  | WORD |   |   | Removed completely | 
| s_plcstate_<hostname> | Current status of (remote) controller <hostname> | WORD | Drv[<driver>][<host>].state e.g. /S/SYS/Drv[Plch][Plc1].state | WORD |   | 
| s_projectname | Current project name | STRING | /S/SYS/ProjectName | WSTRING |   | 
| s_projectprogrammer | Current project programmer | STRING | /S/SYS/ProjectProgrammer | WSTRING |   | 
| s_projecttarget | Current project target system | STRING | /S/SYS/ProjectTarget | WSTRING |   | 
| s_projectversion | Current project version | STRING | /S/SYS/ProjectVersion | WSTRING |   | 
| s_pwl | Current password level | WORD | /S/SYS/Pwl | WORD |   | 
| s_rc_password | Password for RemoteControl server | STRING | /S/SYS/Rc_Password | WSTRING |   | 
| s_recipe_path | Current directory path of all recipes | STRING | /S/APP/Recipe:Path | WSTRING |   | 
| s_recipe_type | Currently selected recipe type | STRING | /S/APP/Recipe:Type | WSTRING |   | 
| s_recipelist_empty  | 1 with an empty recipe list, 0 at least 1 recipe in the list | INT |   |   | not implemented | 
| s_remoteclient_connected | 1 if access via RemoteClient active | INT | /S/SYS/RemoteClient.connected | INT |   | 
| s_subnetmask | Current subnet mask of the target system (input in IP format xxx.xxx.xxx.xxx) | STRING | /S/SYS/Ethernet[0].SubnetMask |                                                                              | 
 | 
| s_target_ip | Current IP address of the target system (input in format xxx.xxx.xxx.xxx) | STRING | /S/SYS/Ethernet[0].IpAdr | STRING |   | 
| s_tm_day | Day (1-31) | WORD | /S/SYS/tm_Day | WORD |   | 
| s_tm_hour | Hours (00-23) | WORD | /S/SYS/tm_Hour | WORD |   | 
| s_tm_isdst | s_tm_isdst > 0  ...DST change | WORD |   |   | Removed completely | 
| s_tm_min | Minute 0-59 | WORD | /S/SYS/tm_Min | WORD |   | 
| s_tm_mon | Month (1-12) | WORD | /S/SYS/tm_Mon | WORD |   | 
| s_tm_nsec | Nominal seconds (00-59) for input | WORD | /S/SYS/tm_nSec | WORD |   | 
| s_tm_sec | Actual seconds (00-59) for display | WORD | /S/SYS/tm_Sec | WORD |   | 
| s_tm_wday | Weekday (0-6; 0 = Sunday) | WORD | /S/SYS/tm_wDay | WORD |   | 
|   |   |   | /S/SYS/tm_yDay | WORD | Day of the year 0 - 365  | 
| s_tm_year | Year (1980-2099) | WORD | /S/SYS/tm_Year | WORD |   | 
|   |   |   | /S/APP/tm_UseAmPm | BOOL | affects /S/SYS/tm_hour 0 = Hours 0-23 1 = Hours 0-11 (AM/PM) | 
|   |   |   | /S/SYS/tm_HourMax | WORD | Is set according to  /S/APP/Tm_UseAmPm 0->24¦1->12. Normally as Limit2 to input the time via /S/SYS/Tm_hour.  | 
|   |   |   | /S/SYS/tm_IsPM | BOOL | 0 = 00:00-11:59 1 = 12:00-23:59 | 
| s_toucherror  | 0 o.k. 1 Touch test error (only IR touch) | INT | /S/SYS/TouchError | WORD |   | 
| s_trend_t | “Raw value” of the X position | DWORD | /S/SYS/Trend[<name>].t  | DT |   | 
| s_trend_t_hour | Time at cursor position (hours) | DWORD |   |   | Removed completely | 
| s_trend_t_mday | Time at cursor position (day) | DWORD |   |   | Removed completely | 
| s_trend_t_min | Time at cursor position (minutes) | DWORD |   |   | Removed completely | 
| s_trend_t_mon | Time at cursor position (month) | DWORD |   |   | Removed completely | 
| s_trend_t_sec | Time at cursor position (seconds) | DWORD |   |   | Removed completely | 
| s_trend_t_sec | Time at cursor position (minutes) | DWORD |   |   | Removed completely | 
| s_trend_t_wday | Time at cursor position (weekday) | DWORD |   |   | Removed completely | 
| s_trend_t_year | Time at cursor position (year) | DWORD |   |   | Removed completely | 
| s_unit_idx | Current unit system 0, 1, … | WORD | /S/APP/UnitIdx | WORD | (see Unit systems) | 
| s_user_x | Defined user name for authorization level x | STRING | /S/APP/User_<pwl> | WSTRING | Users per pwl | 
|   |   |   | /S/SYS/DateTime | DT | Current system time and date | 
| s_user |   | STRING | /S/SYS/User | WSTRING | User for current pwl | 
| s_pwl_required | 
 | WORD | /S/SYS/PwlRequired | WORD | Required password level to operate actuated object. | 
| s_pageid_last |   | WORD | /S/SYS/PageIdLast | WORD |   |