Fanuc Robot System Variables Pdf Jun 2026
For plant engineers and system integrators, maintaining a localized PDF reference of a fleet's specific system variables is vital.
Press (UTIL) and select Set Device to point to your USB ( UD1: or UT1: ). Press F4 (BACKUP) and select System Variables . This creates a binary file named SYSVARS.SV . Step 2: Generate a readable text version via MD:
Shows the currently selected program name and the current line number being executed. 4. Robot Configuration and Maintenance ( $PARAM )
You cannot download a file directly from the controller as a PDF. Instead, you must export the system variables as a readable text file and save it as a PDF on your computer. Step 1: Back up the System Variables ( SYSVARS.SV )
: Controls the jog speed percentage. 2. Robot Status and Alarms ( fanuc robot system variables pdf
$PR[x] : Position Registers. While modified via code, their structural properties reside in system memory. 3. Error Handling and System State
I can provide the exact variable names and step-by-step instructions for your setup. AI responses may include mistakes. Learn more Share public link
Instead of manually changing values on the teach pendant, use TPP or KAREL lines to change variables dynamically during production: :$MCR.$GENOVERRIDE = 50 ; Use code with caution. Document Your Changes
If you are looking for specific troubleshooting help or want to understand how a particular variable affects your robot’s movement, . AI responses may include mistakes. Learn more For plant engineers and system integrators, maintaining a
$MCR.$MCR_MAXSPEED : Defines the absolute maximum speed the robot can move in automatic mode.
Stores current positional data and system-wide configurations for each motion group.
: Provides the robot's current position in World Coordinates.
Below I summarize the important categories, typical variables, practical uses, and where to look in the FANUC PDF documentation — so you can use the official PDFs effectively. This creates a binary file named SYSVARS
Detailed explanations of what each variable does.
| Variable | Type | Purpose | |----------|------|---------| | $MCR.$GENOVERRIDE | INT | 0–100% overall speed | | $SCR.$RMT_MASTER | BOOL | FALSE = Local, TRUE = Remote | | $DMR_GRP[1].$MROT[1] | REAL | Master rotation count for axis 1 | | $ALARM_ST[1] | STRING[80] | Current alarm description | | $SV_OFF | BOOL | Servo on/off status (write TRUE to kill servos) | | $IO_DO[1].$STATE | BOOL | Digital output 1 state | | $UFRAME[1] | XYZWPR | User frame 1 coordinates | | $UTOOL[1] | XYZWPR | User tool 1 definition |
: Determines the default speed override percentage after an Emergency Stop (E-Stop) event occurs. 2. System Configuration and Program Execution
Understanding FANUC Robot System Variables: A Comprehensive Reference Guide
$MASTER_COUNT : Stores specific pulse counts for each robot axis.