Figure 4- 19, 4-20 KEYBOARD-3, -4 show internal keyboard specification
e-
I-
-
-
Electrical Specifications
rn
Intermediate region
1 Maximum Rating 12 V DC,
5
mA
2 Contact Bounce
5
m sec. Max (at normal pushing)
3 Contact Resistance 300 m Ohm Max.
(at 10 million times operation,
-5
Ohm
Max.)
4 Insulation Resistance
50
m Ohm Min. (at 250 V DC)
5
Withstand Voltage 250 V AC, 1 minute
6
Circuit Make contact, 1 circuit
Mechanical Specifications
1
Operation Force 35 grf
(MAX: first stage
50
k
150 grf
I
200grt
:::p
life stage
40
f
15 grf)
(MIN:
26
-t
19 grf)
0
0.05mm
-
2 Full Travel 4.0
-t
0.5
mm
Full
Travel
3
Operating Point
Endurance Specifications
12V DC 5mA 10,000,000 times
24V DC 10 mA
1 Operation Life
5,000,000 times
2 Operation Temperature Range -5°C
-
+5"C
3 Storage Temperature Range
-
20°C
-
+
65°C
Figure
4-19.
KEYBOARD-3
(Internal Keyboard Specification)
4-17
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