Omron DRT1-COM, Operation Manual

Page: 51 / 233

40
Specifications Common to All Basic I/O Units
Section 4-2
4-2 Specifications Common to All Basic I/O Units
For details of the differences between Units, refer to the explanations for the
relevant Units.
General Specifications
Input Specifications for Transistor Input Unit
Output Specifications for Transistor Output Unit
Note For details about output specifications of Relay Output Units, refer to
the explanations for the relevant Units.
Item Specification
I/O power
supply Voltage range
20.4 to 26.4 VDC (24 VDC
+10%
/
–15%
)
Noise immunity
±
2000 V
(IEC61000-4-4 via fast transient noise simulator)
Vibration resistance Relay output unit:
10 to 55 Hz, 1.0-mm double amplitude or 70 m/s
2
Others:
10 to 150 Hz, 1.0-mm double amplitude or 70 m/s
2
Shock resistance
200 m/s
2
Dielectric strength 500 VAC (between isolated circuits)
Ambient temperature –10
°
C to 55
°
C
Ambient humidity 25% to 85% (with no condensation)
Operating atmosphere No corrosive gases
Storage temperature –25
°
C to 65
°
C
Mounting DIN 35-mm track
Safety standards UL508, CSA22.2
EMC directives EN50081-2, EN50082-2
Item Specification
ON voltage 15 VDC min. (between each input terminal and V and
each input terminal and G)
OFF voltage 5 VDC max. (between each input terminal and V and
each input terminal and G)
OFF current 1 mA max.
Input current Typical: 5 mA at 24 VDC, minimum 3 mA at 17 VDC.
Input impedance 4.4 k
Ω
ON delay time 1.5 ms max.
OFF delay time 1.5 ms max.
Insulation resistance 20 M
Ω
min. at 250 VDC (between isolated circuits)
Isolation method Photocoupler
Item Specification
Rated output current 0.5 A/point
Residual voltage 1.2 V max. at 0.5 A DC (between each output terminal
and V and each output terminal and G)
Leakage current 0.1 mA max. at 24 VDC (between each output termi-
nal and V and each output terminal and G)
ON delay time 0.5 ms max.
OFF delay time 1.5 ms max.
Insulation resistance 20 M
Ω
min. at 250 VDC (between isolated circuits)
Isolation method Photocoupler