Haas Parameter 278 COMMON SWITCH 3 – Haas Mill

Haas Parameter 278 COMMON SWITCH 3 – Haas Mill

Parameter 278 is a collection of general purpose single bit flags used to turn some functions on and off. This bit will cause the machine to use discrete outputs 21 and 26 to command the shuttle to move in and out. On mills with the Air Driven Shuttle it must be set to 1. On all other mills it must be set to 0. The left and right cursor arrows are used to select the function being changed. All values are 0 or 1 only. The function names are:

• 0 INVERT GEARBOX SIGS – Allows an alternate gearbox configuration. It inverts the sense of the gearbox inputs. Used for 50 taper option.
• 1 DPR SERIAL – Causes the main serial inputs/outputs to go through the disk video board.
• 2 (M) CHECK PALLET INPUT – If set to 1, discrete input specified by Parameter 256, Pallet Lock Input is checked prior to execution of a spindle command. If the input is high (i.e., an open circuit), Alarm 180 is generated. The input is also checked while the spindle is turning and generates the same alarm if it goes high. Thus, the input can now be used to stop a program after the spindle has been commanded to turn (such as by a pressure switch from the user’s clamp or fixture).
• 3 CHK HIDDN MACRO VAR – Used on horizontal mills only.
• 4 DISPLAY ACTUAL rpm – When set to 1, displays actual spindle speed on Current Commands display page.
• 5 TSC PURGE ENABLE – Enables purge output on TSC option.
• 6 SINGLE CLAMP SWITCH – Enables control to rely upon a single switch to detect clamp position of Side-Mount Tool Changer arm. When set to zero, both upper and lower switches are used to detect arm position. When set to one, only the lower switch is used. The control will now not wait until the upper switch is tripped to conclude the tool is clamped, so subsequent operations can begin immediately. This increases tool change speed.
• 7 SPINDLE DRIVE LOCK – Must be set to 1 if machine is equipped with a non-Haas vector spindle drive. This bit must be set to 1 if the machine has a 50 taper spindle or a non-Haas vector drive.
• 8 UNUSED .
• 9 CONCURENT SPINDLE – When set to 1, the spindle is commanded to start concurrently with other commands in the same block. In the following example, with this bit set to 1, the spindle will start at the same time as the rapid move: G0 X-1. S7500 M3;
• 10 HS3 HYDRAULIC TL CH – Used with the 38-tool SMTC on the HS-3. When this is set to zero, the mill will behave normally. When it is set to 1, the control will recognize that the toolchanger is a 38-tool SMTC.
• 11 HAAS VECTOR DRIVE – Must be set to 1 if machine is equipped with a Haas vector spindle drive. When set to 1, voltage to the Haas vector drive is displayed in the diagnostics display as DC BUSS.
• 12 uP ENCLOSURE TEMP (Microprocessor Enclosure Temperature) – When set to 1, enclosure temperature will be displayed on INPUTS2 screen of the diagnostics display.
• 13 HAAS REMOTE JOG HDL (Haas Remote Jog Handle) – Must be set to 1 if the machine is equipped with a Haas 5-Axes Remote Jog Handle.
• 14 SPIN MOTOR OTEMP NC (Spindle Temperature Sensor Normally Closed) – Type (normally open/normally closed) of the spindle temperature sensor. This bit should be set to 1.
• 15 AIR DRIVE SHUTTLE – Causes machine to use discrete outputs 21 and 26 to command the shuttle to move in and out. On mills with the Air Driven Shuttle it must be set to 1. On all other mills it must be set to 0.
• 16 GIMBAL SPINDLE – Used on 5-axes mills. Causes the machine to check that the Z, A, and B axes are at zero before a tool change is started. If one is not, Alarm 150 will be generated. On mills with the gimbaled Spindle it must be set to 1. On all other mills it must be set to 0.
• 17 NO MFIN CHK ON P-UP – When this bit is set, it will prevent checking of MFIN at power-up. It should be set for 1 for all machines that have the Haas Automatic Pallet Changer attached, and 0 for all other machines.
• 18 DEL:Y SWITCH ENABLE (Delta Wye switch enabled) – Used for the Vector Drive. Enables the switching of spindle motor windings, provided the hardware Enable is installed, and the proper parameters are set. If this switch is set, but bit 19 is not, the winding switching will only be done when the spindle is at rest, depending on the target speed of the spindle.
• 19 DEL:Y SWITCH ON FLY – Enables switching on the fly, as the spindle motor is accelerating or decelerating through the switch point. If bit 18 is not set, this switch will be ignored.
• 20 5 AX TOFS -X – Used with G143 (modal 5 axes tool length compensation) on machines with a gimbaled spindle. If it is set to 1, this means that when the corresponding rotary axis is moved, the sign of the X Position must be inverted. Normally, this bit should be set to 0.
• 21 5 AX TOFS -Y – Used with G143 (modal 5 axes tool length compensation) on machines with a gimbaled spindle. If it is set to 1, when the corresponding rotary axis is moved, the sign of the Y Position must be inverted. Normally, this bit should be set to 0.
• 22 B+C 5 AXES – Used with G142 (modal 5 axes tool length compensation) on machines with a gimbaled spindle. The B-axis normally moves the A-axis, but if this is not true, this bit can be set to change which is the inner axis. Normally, this bit should be set to 0.
• 23 TL CHGR DOOR SWITCH – Horizontal tool carousel door configuration. This bit specifies the Horizontal Mill tool carousel door configuration. If it is set to 0, it indicates the configuration where the door is driven open by a timed operation. If it is set to 1, it indicates the configuration where the door is spring-loaded closed and is driven open by the timed operation against the door open switch. In open position, the door switch signal is 0 (low). Switch status is checked before and after commanding the door to open to be fail-safe. For all horizontal mills with the switch installed, the bit is set to 1. For all other mills, this bit must be set to 0.
• 24 HS2 SMTC CAROUSEL .
• 25 HS3 SMTC CAROUSEL .
• 26 S MNT BIT 1 – Bits 26, 27, and 28 specify the type of sidemount tool changer installed on a vertical mill. Thefollowing table shows the bit combinations that must be used:
  

  Bit	26	27	28
  	0	0	0	No side-mount tool changer installed
  	1	0	0	Serpentine 1
  	0	1	0	Serpentine 2
  	1	1	0	Serpentine 3
  	0	0	1	Disk 1
  	1	0	1	Disk 2
  	0	1	1	Disk 3
  	1	1	1	Disk 4

• 27 S MNT BIT 2 – Bits 26, 27, and 28 specify the type of sidemount tool changer installed on a vertical mill.
• 28 S MNT BIT 3 – Bits 26, 27, and 28 specify the type of sidemount tool changer installed on a vertical mill.
• 29 DOOR SAFETY SW INV – Suppotrts the CE door interlock that locks when power is turned off.
• 30 SWAP A & C AXES – Causes the A and C axes to be swapped internally.
• 31 INV SPIND SPD DECEL (Inverse Spindle Speed Deceleration) – When this parameter is set to 1, the spindle decelerates faster at lower speeds, resulting in a shorter deceleration time.