Rack
3.1 Rack UR6021 (6DD1682-0CH3)
SIMATIC TDC hardware
50
System Manual, 08/2017, A5E01114865-AL
6.
Pull the fan tray out of the rack by the handles.
CAUTION
Sharp-edged front panel
The edges and corners of the front plate of the fan tray may cause injury. Use suitable
protective gloves to remove and install it.
7.
Slide the new fan tray into the rack until it clicks and the faceplate is flush to the front
panel.
8.
Fasten the fan tray (8 screws on the top and bottom of the fan tray).
9.
Insert a new backup battery; see section "Battery backup (Page 45)".
10.If necessary, connect the wires to X1 (including the strain relief and shield connection).
11.Connect the power connector X2.
12.Switch on the power again.
Signaling relay
Three 230 V signaling relays with floating potential facilitate external evaluation of the rack
system states.
NOTICE
Assignment of the contacts
Contacts consisting of combinations of safety extra-low voltage and hazardous voltages are
not permitted.
Signaling relay Terminal X1 Contact in switched off state Contact in error-free op-
eration
LED in error-free operation
SYSFAIL
1.2
Closed
Closed
Off
POWER
3.4
Open
Closed
green is on
FAN FAIL
5.6
Open
Closed
Off
Aotewell Ltd
www.aotewell.com
Industry Automation
HongKong|UK|China
+86-755-8660-6182