Datasheet

9
ø16mm XA Series Emergency Stop Switches
Operating Instructions
Wiring
1. The applicable wire size is 1.25 mm
2
maximum.
2. Solder the terminals using a 20W soldering iron within 5
seconds, or at 260°C within 3 seconds. Do not apply
external force. Make sure that the soldering iron touches
the terminals only. When wiring, do not apply tensile force
on the terminals.
3. Use a non-corrosive rosin flux.
4. Because the terminal spacing is narrow, use protective
tubes or heat shrinkable tubes to avoid burning of wire
coating or short circuit.
••
••
PC Board Terminal Type
1. When mounting a contact block on a PC board, provide
sufficient rotating space for the PC board when installing
and removing the contact block.
2. When mounting an XA emergency stop switch on a PC
board, make sure that the operator is securely installed.
••
••
About PC Board and Circuit Design
1. Use PC boards made of glass epoxy copper-clad lami-
nated sheets of 1.6 mm in thickness, with double-sided
through hole.
2. PC boards and circuits must withstand rated voltage and
current, including the instantaneous current and voltage
at switching.
3. The minimum applicable load is 5V AC/DC, 1 mA. This
value may vary according to the operating environment
and load.
4. Within the 2.8∗ mm areas shown in the figure below, ter-
minals touch the PC board, resulting in possible short cir-
cuit on the printed circuit. When designing a PC board
pattern, take this possibility into consideration.
••
••
Installing Insulation Terminal Cover
To install the terminal cover (XA9Z-VL2), align the TOP
marking on the terminal cover with TOP marking on the con-
tact block, and press the terminal cover toward the contact
block.
Note: For wiring, insert the wires into the holes in the terminal cover before
soldering.
Contact Bounce
When the button is reset by pulling or turning, the NC main
contacts will bounce. When pressing the button, the NO
monitor contacts will bounce.
When designing a control circuit, take the contact bounce
time into consideration (reference value: 20 ms).
Nameplate
When anti-rotation is not required, remove the projection
from the nameplate using pliers.
Handling
Do not expose the switch to excessive shock and vibration,
otherwise the switch may be deformed or damaged, caus-
ing malfunction or operation failure.
19.8
8.7
19.8
8.7
(0.5)
1.6
(PC Board)
(0.5)
(0.5)
2.8∗
2.8∗
(0.5)
10-ø1.2 holes
Solder Surface
Surface for installing
components
2.8∗
2.8∗
Solder Surface
Surface for installing
components
All dimensions in mm.
Projection
Nameplate