D4DS
10
Precautions
!
CAUTION
Do not remove the operation key from the door intentionally
and insert it into the switch with the door open. The machine
may start operating, and injury or death may be caused.
Do not use metal connectors or conduits with this switch. Rigid
connectors and conduits may damage the switch. The broken
conduit hole may cause an electrical shock hazard.
Install the operation key so that it will not hit the operator when
the door is open.
If the D4DS is to be used as a switch in an emergency stop
circuit or in a safety circuit for preventing accidents resulting in
injuries or deaths, use NC contacts with a forced release
mechanism and set the D4DS so that it will operate in positive
opening mode. For safety, install the Switch and the Operation
Key using one-way rotational screws or other similar means to
prevent them from easily coming off. Protect the D4DS with an
appropriate cover and post a warning sign near the D4DS in
order to ensure the safety of the door.
To prevent the D4DS from damage due to circuit short-circuiting,
connect a fuse with a breaking current 1.5 to 2 times larger than
the rated current of the D4DS in series to the D4DS.
If the D4DS is used under EN-approved conditions, use a gI or
gG 10-A fuse approved by IEC269.
Mount with a Stopper
Be sure to mount the D4DS with a stopper as shown in the
following illustration. Do not use the casing of the D4DS as a
stopper. Be sure to install the stopper so that the space “a” will be
a maximum of 3 mm.
Stopper
Switch
J
CORRECT USE
Operating Environment
Do not use the D4DS in the following environments, or the D4DS
may malfunction.
• Locations subject to significant temperature fluctuations
• Humid locations where there is a risk of condensation
• Locations subject to significant vibrations
• Locations subject to metal chips, oils, and chemicals inside a
protective door
Operation Key
Be sure to use a special Operation Key only. Do not operate the
D4DS with anything other than the special Operation Key, or the
D4DS may break or the safety of the system may not be
maintained.
Do not impose excessive force on the Operation Key inserted
into the D4DS or drop the D4DS with the Operation Key inserted,
or the Operation Key may deform or break.
Excessive force
Drop
Secure the Operation Key with screws so that the Operation Key
cannot be removed easily.
Refer to Dimensions for the mounting dimensions of the
Operation Key and properly mount the Operation Key so that the
position and angle will be correct.
Make sure that the Operation Key can be inserted correctly with
a tolerance of ±0.5 mm in the upward, downward, left, or right
direction, or damage to the D4DS may occur.
±1min.
±1min.
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