6. COMMAND REFERENCE 179
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.