Tweco SC11 - Manual (Page 22)

INSTALLATION PROCEDURES 3-6 Manual 0-2556
4. CNC Control Cable Using AMP Connector
Connect the CNC Control Cable to the rear panel of
the Standoff Control to the AMP receptacle marked
J40 (CNC). Connect the other end of the cable to the
CNC Control Assembly. Terminate the shield(s) of
the cable to earth or chassis ground at the cutting
machine.
5. CNC Control Cable - Hard Wired
If the CNC cable from the CNC equipment cannot be
supplied with a mating AMP connector to J40 (CNC)
the cable can be hard wired to the Standoff Control
Accessory. To wire the cable to the unit use the fol-
lowing procedure:
a. Remove the cover of the Standoff Control to gain
access to the internal connection on the PC board.
b. Feed the control cable through the strain relief at
the rear panel of the Standoff Control.
c. Locate the terminal block J11 on the PC board.
Standoff Control
PC Board Assembly
A-01425
J11
Figure 3-10 Terminal Block J11 Location
d. Connect the ends of the CNC control cable to J11
on the PC Board per the following chart:
Pin # Description
1 Standoff Inhibit/Corner Slowdown (CSD)
2 Standoff Inhibit/Corner Slowdown (CSD) Return
3 START/STOP
4 START/STOP Return
5 Motion (OK-To-Move)
8 Motion (OK-To-Move)
e. Tighten the strain relief to secure the control cable.
f. Reinstall the cover to the Standoff Control Acces-
sory.
g. Connect the other end of the cable to the CNC
Control Assembly.
3.10 Lifter Motor Installation
A. Mounting Holes
NOTE
Refer to the exploded view of the Lifter Motor As-
sembly for parts location and assembly.
The Lifter Motor Assembly must be mounted to the Cut-
ting Table. Mount the assembly per the following proce-
dure:
1. Lossen the four screws securing the Front Cover to
the assembly.
2. Remove the Torch Holder and Front Cover from the
assembly.
3. Use the template at the end of this Manual to locate
the four mounting holes noting the following:
• The bottom edge of the Lifter Motor Assembly
must be able to clear any obstructions in the cut-
ting path.
• The assembly must be mounted low enough to
allow proper operation of the Torch Assembly.
4. Drill and tap four holes for 1/4-20 bolts.
5. Mount the Lifter Motor Assembly to the four tapped
holes using the four bolts and washers supplied.
6. Install the Hose Holder (Torch Leads Support Bracket)
to the Gear Rack using the two bolts provided.
7. Reinstall the Front Cover and Torch Holder.
8. Tighten the four cover screws.