Coded Output Of Spindle Speed - HEIDENHAIN iTNC 530 HSCI Technical Manual

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6.12.4 Coded output of spindle speed

If you have selected speed-code output in MP3010 (entry 1 or 2), an S code is

entered in W258. You must output the speed code to the spindle drive

through PLC outputs.

If the speed code is changed, the NC sets the S strobe (M4071). If you

acknowledge the S code with M4091, the NC program is continued and the S

strobe (M4071) is reset by the NC.

If required, the programmed spindle speed is rounded off to the next standard

value by the NC and given in S code as per ISO 6983 (see S-code table).

Speeds of 0 to 9000 min

Specify in MP3010 the speed range and the speed increment. The S code

for the minimum speed is stored in W1008.

Minimum speed = 1 min

Maximum speed = 1000 min

Speed increment = 2:

MP3020 = 20802

Speed range for S code output

xx: S code for minimum speed

yy: S code for maximum speed

z: Speed increment

Strobe signal for S code

Acknowledgment of S code

S code for minimum speed

6.12 Spindle

are possible: