Haas Parameters

Haas Parameter 400 V BACK EMF Back EMF of motor in volts per 1000 rpm times 10. Thus a 63 volt/Krpm motor gives 630.

Haas Parameter 401 V STEPS/REVOLUTION Encoder steps per revolution of motor. An 8192 line encoder gives: 8192 x 4 = 32768

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 408 V PHASE OFFSET The motor phase offset for V motor. Constant value, the value has no units.

Haas Parameter 447 W FRICTION COMPENSAT Compensate for friction on the axis. The units are in 0.004V.

Haas Parameter 409 V PHASE OFFSET Shifts the effective position of the encoder Z pulse. It can correct for a motor or home switch positioning error.

Haas Parameter 448 W ACCEL FEED FORWARD Set the feed forward gain for the axis servo. Constant value, it has no units.

Haas Parameter 410 V 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….

Haas Parameter 449 W SCREW COMP. COEF. Coefficient of heating of the ballscrew, and is used to decrease or shorten the screw length.

Haas Parameter 411 V FRICTION COMPENSAT Compensate for friction on the axis. The units are in 0.004V.

Haas Parameter 450 W AIR BRAKE DELAY Delay provided for air to release from the brake prior to moving. Units are milliseconds.

Haas Parameter 412 V ACCEL FEED FORWARD Set the feed forward gain for the axis servo. Constant value, it has no units.

Haas Parameter 437 W STEPS/REVOLUTION Encoder steps per revolution of motor. An 8192 line encoder gives: 8192 x 4 = 32768

Haas Parameter 438 W BACKLASH Backlash correction in encoder steps.

Haas Parameter 439 W DEAD ZONE Dead zone correction for driver electronics. Units are 0.0000001 seconds.

Haas Parameter 440 W IN POSITION LIMIT How close the motor must be to the endpoint before any move is considered complete when not in exact stop (G09 or G61). Units…

Haas Parameter 424 V SPINDLE THERM COEF. Supports Spindle Head Thermal Compensation feature.

Haas Parameter 465 Tt I GAIN Integral gain in servo loop.

Haas Parameter 427 W P GAIN Proportional gain in servo loop.

Haas Parameter 466 Tt 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 428 W D GAIN Derivative gain in servo loop.

Haas Parameter 467 Tt 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 429 W I GAIN Integral gain in servo loop.

Haas Parameter 468 Tt ACCELERATION Maximum acceleration of axis in steps per second per second.

Haas Parameter 470 Tt 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…

Haas Parameter 471 Tt FUSE LEVEL Limits average power to motor. If not set correctly, this parameter can cause an “overload” alarm.

Haas Parameter 433 W MAX SPEED Maximum speed for this axis in steps per second.

Haas Parameter 434 W 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…

Haas Parameter 435 W FUSE LEVEL Limits average power to motor. If not set correctly, this parameter can cause an “overload” alarm.

Haas Parameter 436 W BACK EMF Back EMF of motor in volts per 1000 rpm times 10. Thus a 63 volt/Krpm motor gives 630.

Haas Parameter 476 Tt IN POSITION LIMIT How close the motor must be to the endpoint before any move is considered complete when not in exact stop (G09 or G61). Units…

Haas Parameter 420 V 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 459 W SCALES PER REV Used on machines equipped with linear scales.