103
Appendix E—STO function
POWERXL SERIES VFD MN040002EN—February 2018 www.eaton.com
Requirement for installation, commission, maintenance
A two-pin terminal block in control board (STO in Figure 55)
is used for customer to connect emergency stop switch,
safety relay or PLC, and so on.
Figure 55. STO terminal block in PowerXL control board
DSP Connection
to Power Board
Keypad
MCU Connection
to Power Board
RTC Battery (Standard)
RJ45 EtherNet/IP,
Modbus TCP
Optional Card Slot A
Optional Card Slot B
RS-485 Terminating
Resistor
MOV Screw
Motor Ground
Clamp Location
Grounding
Strap Location
Grounding
Strap Location
Line Ground
Clamp Location
Removable
EMC Screw
Control I/O
Terminals
AI Mode Selection
Safe Torque Off (STO)
Fan Power Wire
Line Side Motor
ON
123
ON
1
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