DPS8 SERIES MINIATURE PUSHWHEEL SWITCHES
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
FEATURES
Lower cost miniature pushwheel switches with large visible readout characters .
Bi-directional snap action detent pushbutton mechanism.
Black housing and drum with white printing.
Gangable rear mounting models with spacers and side covers.
Gold wiping action contacts.
P.C. board options include solderable lands.
DPS8 SPECIFICATIONS
Panel mounting hole:
Height
Width
Installed depth with p.c. board:
Short
Long
Insertion from front
Insertion from rear
CODES
Code
positions marking
111 Decimal
10
0-9
131 BCD
10
0-9
137 BCD comp
10
0-9
141 BCD + comp
10
0-9
301 Hexadecimal 16 0-9, A-F(0-15)
400 change-over
10
+,-,+,-,etc..
ELECTRICAL DATA
Operating voltage:
Contact load, static:
Contact load, dynamic:
Contact resistance (type AK):
TECHNICAL DATA
Operating temperature range:
Electric life, min. switching cycles
Actuation force, approx (oz.):
Weight, approx. (grams):
Character height:
10 digit
16 digit
Audible click
Vibration DIN IEC 68, parts 2-6
Shock DIN 40046, part 7
-20°C to 80°C
1,000,000
14
4
.193" (4.9mm)
.134" (3.4mm)
yes
yes
yes
40 V max.
1 A max.
100 mA max.
less than 100 mOhm
see truth tables
see truth tables
see truth tables
see truth tables
see truth tables
see truth tables
STANDARD COLORS
Housing,Drum,Printing
2 = black 3 = white
.709"(18mm)
.315"(8mm)
1.260"(32mm)
1.614"(41mm)
no
yes
MATERIALS
Body:
PC board:
PPO
FR 4 DIN 40802
IEC 249-2, Contact
surface gold over
nickel on copper
Gold over nickel
on copper alloy
Sliding contact:
2,2,3
T
Other special features are available upon
request including:
Factory or customer set stops (10 digit models)
L.E.D. illumination (transparent drum)
Red digits
Decimal point
Special codes or printing
Gray housing
See sockets at end of Pushwheel section.
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
T1
DPS8 SERIES MINIATURE PUSHWHEEL SWITCHES
TRUTH TABLES
CODE 131
BCD
C 1 2 4 8
0
1
2
3
4
5
6
7
8
9
CODE 111
DECIMAL
C 0 1 2 3 4 5 6 7 8 9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
CODE 141
BCD + COMP.
C 1 2 4 8 1 2 4 8
CODE 137
BCD COMP.
C 1 2 4 8
+
-
+
-
+
-
+
-
+
-
CODE 400
CHANGE-OVER
C
A+
A-
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
CODE 301
HEXADECIMAL
1 2 4 8 C
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
MECHANICAL OUTLINE WITH PANEL CUT-OUT & MOUNTING
n = number of switches
T
The
switching
mode is
shorting
- i.e. -
even during
actuation, at
least one
output is
connected
131
to input C.
137
"bl" is used
for models
AK
141
ordered
301
with L.E.D.
illumination
400
only.
Pitch .079"(2mm)
Pitch .067"(1.7mm)
PIN CONNECTIONS
+
C 1 2 4 8
-
131
137
131
301
C 1 2 4 8
C 1 2 4 8
301
400
C 1
C 1
C 1
C
2 4 8
2 4 8
2 4 8
+ -
+
C 1 2 4 8
-
1 1 2 2 4 4 8 8 C
+
+
1 2 C 8 4
C
A+ A-
-
-
111
0 1 2 3 4 C 5 6 7 8 9
111bl
+ 0 1 2 3 4 C 5 6 7 8 9 -
131bl
+ C 1 2 4 8 -
T2
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
DPS8 SERIES MINIATURE PUSHWHEEL SWITCHES
PRINTED CIRCUIT OPTIONS
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
P.C. boards have .039"
(1mm) holes and are
suitable for soldering
or socket connection
(with the exception of
LED illumination option).
AK
short p.c. board
AKU
short p.c. board
AL
long p.c. board
For BCD models, the output
traces are supplied disconnected
ALU
long p.c. board
LS
p.c. board w/solder pins
Ordering information:
Below is an order format that enables you to 'build your own switch' and specify the correct switch model
number by simply selecting from available options shown and filling in the boxes. Consult factory for fully assembled switches.
'BUILD YOUR OWN SWITCH' ORDER FORMAT
Series model
D P
S
8
1
1
1
1
3
4
1
3
3
4
0
0
1
1
7
1
1
0
Decimal
BCD
BCD comp.
BCD +comp.
Hexadecimal.
Change-over
A
A
A
A
K
K
L
L
Short
U
Short (rt. angle)
Long
U
Long (rt. angle)
(NONE)
L S
With p.c.
solder pins
Code
P.C. board
Terminations
Standard colors
2
Black housing.
& drum, white
lettering.
Example of complete model no.: DPS8131ALLS2
Order SP12 as a separate line item for limit stop
pin (for 10 position models only).
ACCESSORIES
Order separately
T
DPS8L2
Dummy
switches
DPS8A2
Spacer
DPS8PW2
Pair of side covers
These are empty
plastic housings with
the same dimensions
as DPS8 model (see
outline). Use to fill
hole where switch is
not needed.
DPS8L2
Dummy housing
DPS8P2
Pair of side covers
T3
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
Embedded System
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