Step 7 design membrane overlay, Design guidelines – Watlow MINICHEF 2000 User Manual
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H a r d w a r e & S o f t w a r e S e t u p G u i d e
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Step 7 Design Membrane Overlay
In Step 7, design the membrane overlay for the front controller panel. Follow the design
guidelines here, but for suggestions about designs suitable for specific applications, see
the Suggested Overlay Design in each application guide.
1. Design guidelines
Figure 31 — Membrane guidelines for a horizontal unit.
R .060
in.
4.125
in.
Ref.
3.250
in.
Ref.
2.413
in.
2.062
in.
2.125
in.
1.713
in.
1.530
in.
1.250
in.
.875
in.
.375
in.
.000
in.
.700
in.
Ref.
1.875
in.
1.000
in.
1.250
in.
1.250
in.
.500
in.
.000
in.
.500
in.
1.000
in.
1.875
in.
.125
in.
Red transparent
window (no adhesive
in this area)
Mounting collar
outline (shown in
horizontal orientation)
Mounting
studs (ref) (4)
Watlow keys (6)
(no adhesive in
these areas)
.125
in.
(8) red
transparent windows
for indicator lights
(no adhesive in these
areas)
Recommended material: .008" thick polyester with
.002" thick 3M adhesive or equivalent. Other
materials and thicknesses should be qualified by
customer.
S t e p 7 D e s i g n M e m b r a n e O v e r l a y