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A7PH-254 Datasheet(数据表) 4 Page - Omron Electronics LLC

部件型号  A7PH-254
说明  Dust-tight, Easy-to-Use, Push-operated Switches with Large Display Characters
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制造商  OMRON [Omron Electronics LLC]
网页  http://www.omron.com/index3.html
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A7PH-254 Datasheet(HTML) 4 Page - Omron Electronics LLC

   
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A7PS/A7PH
4
Ordering Procedure
Place orders as shown in the example below, specifying the model and number.
Safety Precautions
Refer to Precautions for Correct Use on in the Technical Guide for Thumbwheel Switches.
Handling
• The molded components of the Switch use polyacetal resin and
ABS resin. It is recommended that alcohol is used to wipe off dirt
and smudges from the molded components. Take care to prevent
the alcohol from getting inside.
• A7P Thumbwheel Switches are dust-proof, but they are not drip-
proof. Do not use them in areas subject to water or oil exposure.
• Do not allow solder flux or alcohol to enter the Switch.
• Do not push the (+) and (-) operating push-buttons at the same time.
• To separate the Switches, use a flat-blade screwdriver as shown in the
following figure to release the hooks on the top and bottom and then
separate the Switches. Be careful not to bend the hooks.
Output code
number
Terminals
Output codes
54
55
1. A7P-M (End Caps): 1 set
2. A7PS-203 (Switch Unit): 1 piece
3. A7PS-206 (Switch Unit): 1 piece
4. A7P-PA (Spacer): 1 piece
5. A7PS-207 (Switch Unit): 1 piece
6. A7PS-219 (Switch Unit): 1 piece
Note: Standard products are not factory-assembled for
shipment. Contact your OMRON representative
for details on ordering factory-assembled sets.
7. NRT-C (Connector): 4 pieces
Precautions for Correct Use
Ten, 1.1-dia.
holes
Note: 1. The solid dot l indicates that the
internal switch is ON
(i.e., connected to the common
terminal).
Model
Switch Unit
or Connector
Common ter-
minal number
Terminals
connected to
common
Switch
Unit
C
1248
54
Connec-
tor
3
579
11
55
Connec-
tor
1
Dial
0
1
2
3
●●
4
5
●●
6
●●
7
●●●
8
9
●●
A
●●
B
●●
C
●●
D
●● ●
E
●●●
F
●●●●
Twenty
-three,
1.1-dia.
holes
Component-adding provision
7
6
1
5
4
3
2
1




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