Tormach 35550 Technical manual

TECHNICAL DOCUMENT
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Specicaons subject to change without noce.
TD10396_PCNC_EnclosureSwitch_0118A
PCNC Mill Enclosure Door Switch Kit
Product Idencaon: Enclosure Door Switch Kit (PN 35550)
Purpose: This document details installaon and use of the Enclosure Door Switch Kit on either a PCNC 770® or
PCNC 1100® mill.
Qty. Enclosure Door Switch Kit PN
1Door Switch w/ Plate (attached to 10’ of
2-conductor Wire) –
1 Key w/ Plate –
5Mounting Tab 31460
6Cable Tie 31719
5 10-32 Hex Nuts 34101
4 10-32 x 7/16” Screw 32071
1 Cord Grip 31376
1 Cord Grip Nut 31867
2 Wire Label (not shown) –
1 Wire Cap 38543
NOTE: If any of these items are missing, contact Tormach Customer
Service at [phone] for a replacement.
Installation
1. Power o the mill according to the Power O/On Procedure detailed below.
WARNING! Electrical Shock Hazard: Be sure to power o machine before making any electrical modicaons.
Failure to do so may result in serious injury or death.
Power Off/On Procedure
Power Off
1. Push red E-stop button in
2. Click Exit on screen; when prompted click OK to power off
3.Turn Main Disconnect Off (see image at right)

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TD10396_PCNC_EnclosureSwitch_0118A
Power On
1.Turn Main Disconnect On (see image at right)
2.After software loads, t urn red E-stop clockwise to release
3. Press green Start button
4. Click Reset on screen
2. Use two 10-32 x 7/16” Screws to mount the Key
w/ Plate to the le enclosure door at the locaon
shown in Figure 1.
Holes are pre-drilled and tapped.
3. Use two 10-32 x 7/16” Screws to mount the Door
Switch w/ Plate to the right enclosure door at the
locaon shown in Figure 2.
Holes are pre-drilled and tapped.
4. Route the 2-Conductor Wire from the Door Switch
loosely over the back of the electrical cabinet.
5. Select a suitable entry locaon for the 2-Conductor
Wire into the electrical cabinet.
6. Use a hole saw or Unibit to drill a 7/8” entry hole
in the electrical cabinet.
IMPORTANT! Use cauon when selecng entry hole
locaon to avoid damaging electrical components/wiring
inside cabinet. Make sure to keep debris and metal chips
away from all electrical components.
7. Insert the Cord Grip from outside of the electrical
cabinet and into the newly-drilled hole.
8. From inside the electrical cabinet, loosely aach
with the Cord Grip Nut.
9. Route the 2-Conductor Wire through the Cord Grip
assembly and pull enough wire through to reach
electrical cabinet’s terminal block.
Figure 1
Figure 2

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TD10396_PCNC_EnclosureSwitch_0118A
NOTE: The terminal block has mulple
wire connecons, some of which are
not shown in the illustraons. To make
accurate connecons, you must note
the slot number that is detailed in each
step.
10. From the terminal block, in slot
4, remove wire J2-4.
NOTE: To make a terminal block
connecon, slowly insert the end of
small, at-head screwdriver straight
into the slot above the wire and pry the
terminal clip open carefully. Insert the
wire into the terminal block, and then
slowly remove the screwdriver.
11. Put the provided Wire Cap on
wire J2-4 (see Figure 3).
12. Wire J2-4 is no longer used. Use
a cable e (provided) to secure
the wire to the limit switch cable
(see Figure 3).
13. From slot 1, remove wire J2-1.
14. Move wire J2-1 to slot 4 (to the
right) as shown in Figure 4.
15. Put the provided J2-4.1 decal on
wire J2-1.
J2-1
J2-4.1
Figure 4
J2-4.1 Decal
J2-4
Red wire
J2-1 J2-2
Figure 3
Terminal Block
From X/Y
Limit Switch
Cable
Wire Cap
Cable Tie

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TD10396_PCNC_EnclosureSwitch_0118A
16. In slot 5, on wire J2-4, put the
provided JL-1 decal (see Figure
5).
17. From the door switch, connect
the black and white wires to
the terminal block as shown in
Figure 6.
When properly connected, wire
J2-4 and wire J2-4.2 are linked
by an exisng red jumper, as
shown in Figure 6.
J2-4
JL-1
J2-4
Figure 5
JL-1 Decal
From Door
Switch
J2-4
Jumper
J2-4.2
J2-1
Figure 6

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P: 608.849.8381 / F: 209.885.4534
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TD10396_PCNC_EnclosureSwitch_0118A
18. Use ve 10-32 Hex Nuts to aach the Mounng
Tabs to ve preinstalled screws in the enclosure
ceiling (see Figure 7 and inset).
19. Insert the Cable Ties into the the Mounng Tabs .
20. Aach the loose 2-Conductor Wire to the
enclosure ceiling with the Cable Ties, removing
any slack from the Door Switch to the back wall
of enclosure, and then ghten Cable Ties snugly.
Operation
1. From the PathPilot inteface, on the Sengs tab,
select the Enable Enclosure Door SW checkbox to
acvate Door Switch (see Figure 8).
When the doors are open, all axis moon is
stopped and the spindle speed is reduced to 1000
RPM. If the spindle speed is set below 1000 RPM
when the door is opened, the spindle speed does
not change.
NOTE: If, during a program, the doors are opened and
then closed, the spindle RPM resumes. To resume axis
moon, you must click Cycle Start (see Figure 8).
Aer selecng this seng, you must reference
the X- and Y-axis independently — reference one
axis before referencing the other.
1000 RPM is the pre-set spindle speed with the door
open, but this may be changed.
• To cap the spindle speed at 500 RPM with the door open, type ADMIN OPENDOORMAXRPM 500 in
the MDI line on the Main tab.
• To stop the spindle when the door opens, type ADMIN OPENDOORMAXRPM 0 in the MDI line.
Figure 7
Figure 8

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TD10396_PCNC_EnclosureSwitch_0118A
NOTE: The Door Switch LED light on the Status
tab is on when the doors are open, as shown in
Figure 9.
Electrical Schematic
Z UPPER
Y LIMIT
X LIMIT
LS3
LS2
LS1
SW
J2-4.1
J2-4.2
Figure 9