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Safe Torque Off
6-11
AC30 series Variable Speed Inverter
TRUTH TABLE
Overview
STO Input A
X10/01
STO Input B
X10/03
Drive Function
STO Status Output
X10/05, X10/06
STO Active
0V
0V
Drive cannot start or supply power to its motor. STO trip
reported.
This is the intended safe state of the product with correct
dual-channel operation.
ON
Abnormal
one-channel
operation
detection
24V
0V
Drive cannot start or supply power to its motor. STO trip
reported. If either of these conditions persists for more than
3.0 seconds (the maximum fault detection time), the STO
function will lock into a fault state. The drive cannot start until
the fault is rectified; all power is removed and reapplied (both
mains and any auxiliary 24V dc power).
This is single channel operation and thus deemed not as
intended for category 3 / PLe / SIL3 structure
implementation.
OFF
0V
24V
STO Inactive
24V
24V
Drive is enabled to run under software control. The drive can
supply power to its motor.
OFF
Drive
unpowered
Don’t care
Don’t care
Drive cannot start or supply power to its motor.
OFF
Содержание AC30 series
Страница 48: ...4 27 Installation AC30 series Variable Speed Inverter Basic Speed Control Wiring...
Страница 50: ...4 29 Installation AC30 series Variable Speed Inverter Auto Manual Control Wiring...
Страница 52: ...4 31 Installation AC30 series Variable Speed Inverter Raise Lower Trim Wiring...
Страница 54: ...4 33 Installation AC30 series Variable Speed Inverter Presets Speeds Wiring...
Страница 56: ...4 35 Installation AC30 series Variable Speed Inverter PID Control Wiring...
Страница 58: ...4 37 Installation AC30 series Variable Speed Inverter AFE Control Wiring Excludes 7004 04 00 Wiring...
Страница 149: ...Setup Wizard 9 24 AC30 series Variable Speed Inverter MONITOR THE DRIVE Figure 9 15 Monitor the Drive and fine tune...
Страница 150: ...9 25 Setup Wizard AC30 series Variable Speed Inverter Figure 9 16 Charting Drive Parameters...
Страница 233: ...Compliance C 20 AC30 series Variable Speed Inverter Frame H...
Страница 234: ...C 21 Compliance AC30 series Variable Speed Inverter Frame J...
Страница 266: ...D 6 Parameter Reference AC30 series Variable Speed Drive...
Страница 343: ...Parameter Reference D 83 AC30 series Variable Speed Drive Offset Input 100 100 x Scale Value...
Страница 495: ...E Plan Library E 2 AC30 series Variable Speed Inverter Which then brings up the E Plan page...