Rack
3.3 Rack UR5213 (6DD1682-0CH0)
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
67
Control and display elements
X1
3 signaling relays, 230 V floating potential (3 x 2 contacts)
A system stop triggered by fan failure can be set based on the switch position, i.e. “ONE”
setting for failure of one fan, or “TWO” setting for failure of two fans.
The three LEDs display the rack's operating status.
You can restart all modules by pressing the submerged pushbutton (rack RESET).
Compartment for backup batteries
(2 x 1.5 V leak-proof alkaline manganese cells type AA)
Mains switch
Line voltage connection
Figure 3-8 Front view of the power supply unit
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