Siemens SINUMERIK 840D sl Function Manual page 314

Detailed description
2.4 Drive service display (for digital drives only)
Speed lower than threshold setting
Status display of drive.
State 0: The actual speed value is greater than the threshold speed.
Status 1: The actual speed value is smaller than the threshold speed.
The threshold speed corresponds to machine datum:
MD1417 $MD_SPEED_THRESHOLD_X
(n
x
Display corresponds to NST DB31, ... DBX94.5 ("|n
References:
/FB1/ Function Manual Basic Functions; Various Interface Signals (A2)
Actual speed = set speed
Status display of drive.
State 0:
State 1:
The speed tolerance band corresponds to machine datum:
MD1426 $MD_SPEED_DES_EQ_ACT_TOL (tolerance band for 'n
Display corresponds to NST DB31, ... DBX94.6 ("|n
References:
/FB1/ Function Manual Basic Functions; Various Interface Signals (A2)
32
for 'n < n ' message).
actual x
The actual speed value is outside the speed tolerance band after a
new speed setpoint was defined.
The actual speed value has reached the speed tolerance band after a new
speed setpoint was defined.
< n ").
is| x
-n
set actual
|= n ").
is inch
Basic logic functions: Diagnostic tools (D1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
' message).