Rockwell-automation 1746-HSTP1 Stepper Controller Module/ User Manual Manual do Utilizador descarregar pdf (Página 39)

Publication 999-121 - December 1999

5-4

Configuration and Programming

upon by the Module until a valid configuration is received. The

configuration file has the following format.

Output word 0: defines the user's configuration; that is, what types of

inputs are present.

bit 0 when a CW limit switch is used

bit 1 set when a CCW limit switch is used

bit 2 set when the pulse train enable/disable input is used

bit 3 set when an external interrupt is used

bit 4 set when a home limit switch input is used

bit 5 set when a home limit proximity limit switch is used

bits 6 and 7 not used

bit 8 set when a quadrature encoder is used

bit 9 set when diagnostics feedback is used

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

OUTPUT

WORD 0

OUTPUT

WORD 1

OUTPUT

WORD 2

OUTPUT

WORD 3

IMPORTANT

To guard against a configuration error, certain bits in

output word 0 must be set. Either bit 0 or bit 1 (or

both) must be set; and either bit 4 or bit 4 and bit 5

must be set. This is true whether or not the indicated

limit switch is present in the system. Also, there are

certain output combinations that obviously are not

valid (e.g., setting both bit 8 and bit 9). Using an

invalid output combination results in a configuration

error being generated.

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Rockwell-automation 1746-HSTP1 Stepper Controller Module/ User Manual Manual do Utilizador Página 39