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VIX IM MICROSTEPPER INDEXER DRIVE USER GUIDE
58
Var Name R W Range/default value
ST Status of indexing Y N See below
ST1 Status of indexing Y N First byte of 32-bit ST variable
ST2 Status of indexing Y N Second byte of 32-bit ST variable
ST3 Status of indexing Y N Third byte of 32-bit ST variable
ST4 Status of indexing Y N Fourth byte of 32-bit ST variable
TT Trigger Timeout Y Y Optional timeout for trigger command 0-65 seconds in
0.01 increments. User status bit 8 is set to indicate
timeout occurred before trigger condition met. Bit is
clear if trigger condition met before timeout. The
default time is = 0.00 (no timeout).
UF User program
Fault status
Y N See below
UF1 User Fault Status Y N First byte of 32-bit User Fault status word
UF2 User Fault Status Y N Second byte of 32-bit User Fault status word
UF3 User Fault Status Y N Third byte of 32-bit User Fault status word
UF4 User Fault Status Y N Fourth byte of 32-bit User Fault status word
*Can be set to 0 only.
Table 4-2. List of System Variables (Continued)
AB, AI and AO Description
AB controls the dead band and AO the offset of the differential analogue speed control input.
See Differential Analogue Input in the Electrical Installation section.
BR Description
This sets the Baud rate of serial communications. Enter the required Baud rate directly, for
example aW(BR,19200) to set the rate to 19200. You will need to save this setting and then
reset the drive (Z command) or cycle the power before the change will take effect.
BU Description
Gives the total percentage of program buffer usage, unlike an aDECLARE that gives the
percentage of buffer room for each label, subroutine.