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N 140, How to calculate the scaling factor – Baumer N 140 User Manual

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N 140

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4.3.2. Read /write parameter spindle tolerance and tolerance window,
command „b“ (62h)

This command is to read or write the parameters tolerance compensation and tolerance window.

Example 1: Read parameter (tolerance compensation = 0,15; tolerance window = 0,25)

SOH

Adr

Cmd

EOT

CRC

Transmission

01h

20h

62h

04h

48h

SOH

Adr

Cmd Tolerance compensation=0,15

Tolerance window=0,25

EOT

CRC

Response

01h

20h

62h

30h

30h

31h

35h

30h

30h

32h

35h

04h

AAh



Example 2: Write parameter (tolerance compensation = 1,30; tolerance window = 5,00)

SOH

Adr

Cmd Tolerance compensation=1,30

Tolerance window=5,00

EOT

CRC

Transmission

01h

20h

62h

30h

31h

33h

30h

30h

35h

30h

30h

04h

20h

SOH

Adr

Cmd Tolerance compensation=1,30

Tolerance window=5,00

EOT

CRC

Response

01h

20h

62h

30h

31h

33h

30h

30h

35h

30h

30h

04h

20h


4.3.3. Read / write parameter spindle pitch (scaling factor), command „c“ (63h)


This command is utilized to read or write the scaling factor of the spindle pitch within the range from
0,0000001...9,9999999. The decimal point is not transmitted.

How to calculate the scaling factor:

Resolution per turn: 23,04 mm

Spindle pitch:

4,00 mm

Spindle pitch 4,00
Scaling factor = ───────────────── = ───── = 0,1736111

Resolution per turn 23,04

Example 1: Read scaling factor (scaling factor = 1,000000)

SOH

Adr

Cmd

EOT

CRC

Transmission

01h

20h

63h

04h

4Ah

SOH

Adr

Cmd

scaling = 1,0000000

EOT

CRC

Response

01h

20h

63h

31h

30h

30h

30h

30h

30h

30h

30h

04h

4B


Example 2: Write scaling factor (scaling factor = 0,1736111)

SOH

Adr

Cmd

scaling = 0,1736111

EOT

CRC

Transmission

01h

20h

63h

30h

31h

37h

33h

36h

31h

31h

31h

04h

05h

SOH

Adr

Cmd

scaling = 0,1736111

EOT

CRC

Response

01h

20h

63h

30h

31h

37h

33h

36h

31h

31h

31h

04h

05h