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6F3B0253
50 T1-16S User’s Manual
3. I/O Application Precautions
3.2 Application precautions for output signals
(1) 2 points of solid-state output
The leading 2 points of output (Y020 and Y021) are solid-state outputs, transistors on
the DC input types.
These solid-state outputs are suited for frequent switching applications.
Note that the specifications of the solid-state outputs and other outputs (relays) are
different.
(2) Switching life of output relays
Expected relay life is more than 100,000 electrical cycles at rated maximum voltage
and current, and more than 20 million mechanical cycles. The expected contact life
(electrical cycles) is shown on the table below.
Load
voltage
Load
current
Expected life
(thousand)
Load
voltage
Load
current
Expected life
(thousand)
AC 110Vac, 2A 340 DC 24Vdc, 2A 280
load
COSφ = 1
1A 720 load L/R = 0 ms 1A 600
0.5A 1,600 0.5A 1,300
110Vac, 2A 150 24Vdc, 2A 60
COSφ = 0.7
1A 320 L/R = 15 ms 1A 150
0.5A 700 0.5A 350
220Vac, 2A 220 48Vdc, 1A 200
COSφ = 1
1A 500 L/R = 0 ms 0.5A 420
0.5A 1,100 48Vdc, 0.5A 130
220Vac, 2A 100 L/R = 15 ms 0.2A 420
COSφ = 0.7
1A 210 110Vdc, 0.5A 200
0.5A 460 L/R = 0 ms 0.2A 550
110Vdc, 0.2A 150
L/R = 15 ms 0.1A 350
!
WARNING
!
CAUTION
Configure emergency stop and safety interlocking circuits outside the
T1-16S. Otherwise, malfunction of the T1-16S can cause injury or serious
accidents
1. Turn on power to the T1-16S before turning on power to the loads.
Failure to do so may cause unexpected behavior of the loads.
2. Configure the external circuit so that the external 24Vdc power required
for the transistor output circuits and power to the loads are switched
on/off simultaneously. Also, turn off power to the loads before turning off
power to the T1-16S.
3. Install fuses appropriate to the load current in the external circuits for the
outputs. Failure to do so can cause fire in case of load over-current.