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参数资料
| 型号： | D5A-7403 |
| 元件分类： | 开关 |
| 英文描述： | SNAP ACTING/LIMIT SWITCH, SPST, MOMENTARY, 0.01A, 12VDC, 3mm, PANEL MOUNT-THREADED |
| 文件页数： | 6/8页 |
| 文件大小： | 445K |
| 代理商： | D5A-7403 |
6
D5A
Series Connection of Switches
The Solid-state Output-type Switches must not be connected in
series. To obtain the same effect as a series connection, form an AND
gate with a relay inserted between the Switch and load.
Parallel Connection of Switches
In principle, two or more D5A's should not be used in an OR
configuration.
However, they can be connected in parallel provided that both
switches A and B in the above figure do not operate at the same
time and that the load does not have to be kept energized. In this
circuit, however, the leakage current is increased, multiplied by the
number of Switches connected in parallel. Consequently, the
Switch may not release properly. To keep the load energized,
connect a relay to each of the Switches as shown below.
Connection to Power Source
Be sure to connect the Switch to the power source via the load. If
directly connected to the power source, the internal elements of the
Switch may be damaged.
Correctly connect the white and black lead wires to the positive and
negative sides, respectively, of the power source. Although the
D5A will not be damaged even if the polarity is reversed by mistake,
if this happens, the Switch maintains the ON state (i.e., the contact
is kept open) regardless of the presence or absence of the object
to be detected.
The core wire colors have been changed to meet new standards. Make sure
that the wires are connected correctly.
Others
Adjust the mounting of the D5A until the stroke of the pin plunger
and top plunger is aligned with the stroke of the operating body.
Special attention should be paid to the ceramic pushbutton unit. It
might be damaged if undue shock is applied.
The harder the material for the dog and the more solidly the
mounting base is fitted, the more accurately a minute displacement
is detected.
When a limit switch type (D5A-8 @@@, D5A-9 @@@) is used, apply
grease to the dog to reduce friction between it and the plunger.
Do not apply grease to pin plungers, otherwise the grease may
stick to the contacts or generate gas that may cause contact
failures.
Be sure to use dogs made of hard materials for bevel or top
plungers and apply grease to the surface of the dogs. The hardness
(Hv) of a bevel plunger is 2,000 or over, for which it is
recommended that a dog that has an Hv value of 1,000 or less be
used.
Do not fail to provide a stopper so as to prevent the enclosure of the
D5A from being used as the stoppers.
Attach an appropriate cover for the protection of the D5A from
machining oil or cuttings. No protective cover is, however, provided
together with the Switch.
Exercise care that excessive force is not applied to the ceramic
plunger of M5, M8, or slim type.
If the possibility exists that strong shock may be applied to the
plunger when the Switch is being mounted, use a protective cap.
The plunger may not release if it is depressed with too great a force.
Set its stroke by referring to the OT value indicated in Operating
Characteristics.
Do not mount the Switch with its nameplate facing downwards (i.e.,
in the direction of gravity), otherwise the oil drain hole will not work
effectively.
Blue
(Black)
Blue
(Black)
D5A
Load
Brown (White)
Brown
(White)
Brown
(White)
Blue (Black)
Brown (White)
Blue (Black)
D5A
(A)
(B)
D5A
Blue (Black)
Brown (White) Brown (White)
Load
Blue
(Black)
Blue
(Black)
Brown
(White)
Brown
(White)
Load
Brown (White)
Blue (Black)
Blue
(Black)
Brown
(White)
Always close
circuit
Load
Stopper
Dog
Stopper
M5, M8
Slim
Switch
Oil drain hole
Nameplate
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相关代理商/技术参数 |
参数描述 |
|---|---|
| D5A7410 | 制造商:OMRON AUTOMATION AND SAFETY 功能描述:3MIC PLNGR SLD ST 2.4N 1M 制造商:OMRON INDUSTRIAL AUTOMATION 功能描述:High Precision Switch 2-Pin |
| D5A-7410 | 功能描述:基本/快动开关 M16 3micPnPlngr sld st 2.4N 1m RoHS:否 制造商:Omron Electronics 触点形式:SPDT 执行器:Lever 电流额定值:5 A 电压额定值 AC:250 V 电压额定值 DC:30 V 功率额定值: 工作力:120 g IP 等级:IP 67 NEMA 额定值: 端接类型:Wire 安装:Panel |
| D5A7413 | 制造商:OMRON AUTOMATION AND SAFETY 功能描述:3MIC PINPLNGRSLDST 2.4N QD 制造商:OMRON INDUSTRIAL AUTOMATION 功能描述:High Precision Switch 2-Pin |
| D5A-7413 | 功能描述:基本/快动开关 M16 3micPinPlngrSldS t 2.4N QD RoHS:否 制造商:Omron Electronics 触点形式:SPDT 执行器:Lever 电流额定值:5 A 电压额定值 AC:250 V 电压额定值 DC:30 V 功率额定值: 工作力:120 g IP 等级:IP 67 NEMA 额定值: 端接类型:Wire 安装:Panel |
| D5A8511 | 制造商:OMRON AUTOMATION AND SAFETY 功能描述:3MIC TPPLNGRSLDST 3.9N 3M 制造商:OMRON INDUSTRIAL AUTOMATION 功能描述:High Precision Switch 2-Pin |
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