Siemens SINUMERIK 840D sl TCU 30.3 Manual page 21

3. Insert cables K1, K2 and K3 (only for OP 019).
4. Close the cabled TCU mounting bracket unit and attach it using the four knurled screws
②
Figure 3-1
TCU 30.3
Manual, 09/2017, A5E40874197
3.2 Mounting the TCU on the operator panel front with mounting bracket
.
①
2 x hinge catches
②
4 x knurled screws for attaching the mounting brackets to the operator panel front
③
2 x mounting brackets
④
10 mm clearance
Mounted TCU (example with OP 012) in front, side and rear view
Mounting
21