Siemens 810T manual Single block switch, Spindle speed override switch

09.91 2 Operation

2.1.2 SINUMERIK 810T operator interface with external machine control panel

Single block switch

O

I

This key enables you to run a program on a block-by-block basis in the ºAUTOMATICº operating mode.

When the switch is in position º 0 º: Single block operation is not active!

When the switch is in position º I º:	Single block operation is
	active!

When single block operation is active :

·the ºSBLº (Single block) message is shown on the first line of the CRT (2.1.1.1)

·the current part program block is

processed only when you press the ºProgram startº key

·when the block has been processed, the ºHOLD SINGLE BLOCKº message is displayed on the CRT

·when you operate the ºProgram startº key again, the next block is transferred and processed etc...

For certain functions (ºcoordinate rotationº, ºsoft approach to contourº), the control inserts further blocks. Depending on the number of blocks inserted the ºprogram startº key must be pressed several times.

Spindle speed override switch

S	%		· The rotary switch, with 16 latched positions, enables you to
80			decrease or increase the programmed spindle speed ºSº
	90		(relative to 100%).
70		100	· The actual function of the switch depends on a machine data.
60		110	· The set spindle speed value ºSº is displayed on the
50		120	CRT as an absolute value and as a percentage.
			Control range:	50% ..... 120% of the programmed spindle
				speed.
			Step increment:	5% from position to position.

The step increment and control range specified apply to standard machine data.

© Siemens AG 1990 All Rights Reserved 6ZB5 410-0EP02 2-27

SINUMERIK 810T, GA3 (BN)