Eaton PowerXL DM1 Series - Safety Architecture and Reliability Block Diagram; Power Supply and Input;Output; Figure 30. Functional Block Diagram; Figure 31. Reliability Block Diagram

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Appendix E—STO function
POWERXL SERIES VFDS MN040060EN—September 2020 www.eaton.com
Safety architecture and reliability block diagram
Figure 30. Functional block diagram.
Figure 31. Reliability block diagram.
Power supply and input/output
Power supply input voltage 230V series: 150–450 Vdc
480V series: 300–880 Vdc
STO activation STO1/STO2: 0-1.5 Vdc
STO deactivation STO1/STO2: 16-28 Vdc
U
V
W
PE
M
3
L1
L2
L3
PE
EMC
Up side
IGBT
driver
SMPS
STO channel 1
STO channel 2
Power Board
Control
B
oard
Note:
1. STO channel 1 is marked in red.
2. STO channel 2 is marked in blue.
Down side
IGBT
driver
STO1+
STO2+
STOCM
DSP
STO 2'
STO 1
Or
Logic
+5V
PWM_UP
PWM_Down
Enable_Up
Enable_Down
STO 2
STO 1'
VCC
INVERTER_PWM_ENABLE
Or
Logic
Over current fault
MCU
Communication
IGBT gate logic IC