Moog DM2020 Series

Input
Channel 1
Input
Channel 2
Hardware
/ Software
Feedback
+ 24 V
+ 24 V
ON
Start of
Test
End of
Test
Min
100ms
STO Mandatory Sequence Circuit Test
Stop Category 1
l Disable the protection devices, e.g.. open safety guards, while the motor is running, and check
that the motor stops.
l If the arrest is a Category 1 according to EN 60204-1: 2006, check that the motor is braked in a
controlled manner and that the Safe Torque Off function is active after the arrest. This should
not cause dangerous situations.
10.9 Assembly and Serial Tests
The Safe Torque Off (STO) circuit is assembled and tested at Moog Casella.
10.10 Identification of the STO Function on the Drive Plate
The Safe Torque Off circuit is identified by the words "Safe Torque Off" on the drive plate.
PN: L-MAM2-E-201
Moog Casella DM2020 Installation and Startup Guide
10.9 Assembly and Serial Tests
147