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Wiring
2-4 Wiring
<Reference>
Use a safety relay unit or an equivalent control circuit in safety for FSD.
2-4-1 Power Supply Unit
Wire correctly using a power supply unit which conforms to the laws and stan-
dards of the region where this device is to be used. If the power supply unit is
non-conforming or the wiring is improper, it can cause damage or malfunction of
this device.
<Reference>
A specialist who has the required electrical knowledge should perform the wiring.
The power supply unit must satisfy the conditions given below.
1) Power supply unit authorized in the region where this device is to be used.
2) The power supply unit must be a SELV (safety extra low voltage) / PELV (protected extra low
voltage) unit that conforms to the EMC Directive and Low-voltage Directive. (When CE marking
is required.)
3) The power supply unit must be a SELV (safety extra low voltage) / PELV (protected extra low
voltage) unit that conforms to the EMC Regulations and Electrical Equipment (Safety) Regula-
tions. (When UKCA marking is required.)
4) The frame ground (F.G.) terminal must be connected to ground when using a commercially
available switching regulator.
5) Power supply unit with an output holding time of 20ms or more.
6) In case a surge is generated, take countermeasures such as connecting a surge absorber to
the origin of the surge.
7) Power supply unit corresponding to CLASS 2 (only for requiring
14
Take countermeasure against the system to be applied for this device so as not
to carry out the dangerous performance caused by the earth failure. Failure to
do so could cause invalid for the system stop, resulting in death or serious injury.
In order that the output is not turned ON due to earth fault of control output 1 / 2
(OSSD 1 / 2) wires, be sure to ground to 0V side (PNP output) / +24V side (NPN
output).
Mark conformation).
C
US
MJE-SQ4C11 No. 0095-80V
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