Haas Parameters

Haas Parameter 334 Y SCALES PER REV Used on machines equipped with linear scales.

Haas Parameter 371 U ACC/DEC T CONST Exponential acceleration time constant. Units are 1/10000 seconds. This parameter provides for a constant ratio between profiling lag and servo velocity at the endpoint…

Haas Parameter 372 U PHASE OFFSET The motor phase offset for U motor. Constant value, the value has no units.

Haas Parameter 337 B SCALES PER REV Used on machines equipped with linear scales.

Haas Parameter 373 U PHASE OFFSET Shifts the effective position of the encoder Z pulse. It can correct for a motor or home switch positioning error.

Haas Parameter 339 X SPINDLE THERM COEF. Supports Spindle Head Thermal Compensation feature.

Haas Parameter 374 U EXACT STOP DIST. This parameter controls how close the axis must be to its end point when exact stop is programmed. They apply in G09 and G64.They…

Haas Parameter 323 PUSH RATE – Haas Lathe Supports the Haas Servo Bar 300 bar feeder. This is the rate at which the last 1/4 inch of feed is done….

Haas Parameter 340 Y SPINDLE THERM COEF. See Parameter 339 for description.

Haas Parameter 341 Z SPINDLE THERM COEF. See Parameter 339 for description.

Haas Parameter 342 A SPINDLE THERM COEF. See Parameter 339 for description.

Haas Parameter 378 U AIR BRAKE DELAY Delay provided for air to release from the brake prior to moving. Units are milliseconds.

Haas Parameter 402 V BACKLASH Backlash correction in encoder steps.

Haas Parameter 379 U TOOL CHANGE OFFSET – Haas Mill Offset distance from operator door closed switch to the desired closed position (units are encoder steps). This is always a positive…

Haas Parameter 403 V DEAD ZONE Dead zone correction for driver electronics. Units are 0.0000001 seconds.

Haas Parameter 382 U SWITCH B – Haas Lathe See Parameter 266 for description. 6 U DELAY AXIS 0 – When set, indicates that this axis should be zeroed in…

Haas Parameter 384 U SCALE GAIN MULT – Haas Lathe See Parameter 279 for description.

Haas Parameter 353 MAX SUBSPINDLE rpm – Haas Lathe Maximum rpm available to the subspindle, and works in conjunction with parameters 570 and 571.

Haas Parameter 354 U SWITCH A – Haas Lathe See Parameter 1 for description.

Haas Parameter 394 X RATIO (Steps/Unit) Number of steps of encoder per unit of travel. Encoder steps supply four (4) times their line count per revolution. Thus, an 8192 line encoder…

Haas Parameter 395 V MAX TRAVEL (Steps) Maximum negative direction of travel from machine zero in encoder steps. Does not apply to A-axis. A 20-inch travel, 8192 line encoder and 6…

Haas Parameter 396 V ACCELERATION Maximum acceleration of axis in steps per second per second.

Haas Parameter 397 V MAX SPEED Maximum speed for this axis in steps per second.

Haas Parameter 375 U FRICTION COMPENSAT Compensate for friction on the axis. The units are in 0.004V.

Haas Parameter 376 U ACCEL FEED FORWARD Set the feed forward gain for the axis servo. Constant value, it has no units.

Haas Parameter 377 U SCREW COMP. COEF. Coefficient of heating of the ballscrew, and is used to decrease or shorten the screw length.

Haas Parameter 441 W MAX CURRENT Fuse level in % of max power to motor. Applies only when motor is stopped. Corresponds to maximum peak current provided by the amplifier. 4095…

Haas Parameter 442 W D*D GAIN Second derivative gain in servo loop.

Haas Parameter 430 W RATIO (STEPS/UNIT) Number of steps of encoder per unit of travel. Encoder steps supply four (4) times their line count per revolution. Thus, an 8192 line encoder…

Haas Parameter 431 W MAX TRAVEL (Steps) Maximum negative direction of travel from machine zero in encoder steps. Does not apply to A-axis. A 20-inch travel, 8192 line encoder and 6…

Haas Parameter 432 W ACCELERATION Maximum acceleration of axis in steps per second per second.

Haas Parameter 456 W SCALE GAIN MULT Used on machines with linear scales. Linear scales are used to continuously correct any errors in encoder position. The parameter determines the gain of…

Haas Parameter 413 V SCREW COMP. COEF. Coefficient of heating of the ballscrew, and is used to decrease or shorten the screw length.

Haas Parameter 457 W LINEAR SCREW OFFS Used on machines with linear scales. This parameter accounts for the unused portion of the ballscrew between zero and the actual motor.

Haas Parameter 398 V MAX ERROR Maximum error allowed in servo loop before alarm is generated. Units are encoder steps. This is the maximum allowable error in Hz between commanded speed…