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3. Wiring
Read the following information before performing wiring.
<Output>
The Time Switch output is no-voltage contact output. A power supply must
be provided to drive the load. Perform wiring according to the information
on the next page.
Output contact rating is different between 2 channel and 4 channel types.
(
Installation 4, 5)
When driving an inductive load (e.g., coil), a surge voltage is generated
when the contacts (i.e., Time Switch output) are switched, and in some
cases this may damage other devices connected to the Time Switch or the
same line. Absorb the surge with a capacitor (C) and resistor (R) as shown
in the following diagram.
<Input> 2 channel type only
Use a contact input such as a switch or relay.
(Use a high-reliability contact capable of
making and breaking 0.1 mA at 5 V)
As a rough guide, the capacitor (C) and resistor (R) should
have the following specifications:
C: 0.5 to 1
µ
F for a switching current of 1 A
R: 0.5 to 1
Ω
for a switching voltage of 1 V
•
Use a capacitor with a dielectric strength appropriate
for the power supply voltage. Use an AC-type
capacitor with AC circuits.
There may be cases where, due to inconsistencies in the
nature and characteristics of the load, delays in restoring the
load may cause problems. Be sure to confirm that correct
operation is possible under the actual operating conditions.
<Wiring>
Applicable tightening torque : 0.98 to 1.17 N·m
Do not connect more than two crimp terminals
to each Time Switch terminal.
Up to two wires of the same size and type can
be inserted into a single terminals.
When using solid wires, strip them as shown
in the right hand diagram.
Applicable wire for wiring is as follows:
600V vinyl-insulated wire with a gage of AWG
22 to AWG 14 (
equal to a cross-sectional area
of 0.326 to 2.081 mm
2
)
Solid wire or twisted wire
Copper
C
R
Inductive
load
Power
supply
Time Switch output
Wiring when using
Flush-mounting Model
11
±
1mm
Full scale diagram
