Fanuc Robot System Variables Pdf
Scroll through the alphabetical list to find your target variable.
These parameters govern how the FANUC controller interacts with external PLCs, vision systems, and network peripherals.
After configuring the alarm logic, use the system variables screen to locate $UALRM_SEV indexed by alarm number and assign the desired severity level. The maximum number of user alarms can be expanded from the default 10 to up to 999 by modifying $MAXUALRMNUM (requires restart). fanuc robot system variables pdf
Once in the system variables screen, you can scroll through the extensive list of variables organized alphabetically. Some variables contain sub-structures—placing the cursor on such a variable and pressing expands it to reveal individual fields that can be inspected or modified.
To automatically display the active alarm screen when errors occur, set $ER_AUTO_ENB to . After making this change, perform a cold start to activate the feature. Scroll through the alphabetical list to find your
$DEVICE : Defines the default storage device for backups (e.g., UD1: for the front USB port on the pendant, or UT1: for the controller cabinet USB).
| Variable Name | Data Type | Access Rights | Description | | :--- | :--- | :--- | :--- | | $AB_INT_CFG | STRUCTURE | RO | Configuration for the R-J3 style Allen-Bradley interface. | | $AB_INT_CFG.$address | INTEGER | RO | Serial communications link address. | | $AB_INT_CFG.$command | INTEGER | RO | Internal board configuration (Command Byte). | | $AB_INT_CFG.$config | INTEGER | RO | General board configuration information. | | $AB_INT_CFG.$dip_sw_0 | INTEGER | RO | The settings of DIP switch 0. | The maximum number of user alarms can be
$MCR.$MASTER_ENB : Enables the mastering menu on the teach pendant (set to 1 or TRUE ). 2. Motion and Speed Control
| Variable | Description | |----------|-------------| | $SCR.$T2_LOCK_ENB | Enables T2 mode locking when set to 1 (default 0) | | $SCR.RECOV_OVRD | When TRUE, speed override decreases when safety gates open and automatically recovers when gates close | | $SCR.$JOGOVLIM | Maximum speed during manual jogging | | $SCR.$RUNOVLIM | Maximum speed during program execution | | $SCR.$FENCEOVER | Maximum speed when safety fence/gate is open |
To help you get started with FANUC robot system variables, we have created a comprehensive PDF guide that covers the following topics:
: Indicates if the mastering procedure has been successfully completed (1) or not (0). How to Access Variables on the Teach Pendant Press the MENU button. Navigate to NEXT and then SYSTEM . Select Variables to view the numbered list.