Vacon optbj - Page 21

STO and SS1 safety functions vacon • 21
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
5
Figure 7.STO principle with OPTBJ board and VACON
®
100 family control board MR12
STO1
+
STO2
-
RO
=
3~
=
3~
VACON 100 CONTROL UNIT
Control board
OPTBJ board, slot E
MASTER
POWER UNIT
SLAVE
POWER UNIT
Thermistor
Atex Safety
Function
Atex Safety
Function
Hardware
STO 1
Hardware
STO 2
Hardware
STO 1
Hardware
STO 2
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