Omron DRT1 Series - Page 154

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Analog I/O Terminals Section 4-8
Current consumption Communications: 30 mA max.
Internal circuit: 80 mA max.
Communications: 30 mA max.
Internal circuit: 130 mA max.
Noise immunity
±1.5 kV
p-p,
pulse width: 0.1 to 1 µs, pulse rise time: 1 ns (via noise simulator)
Vibration resistance 10 to 55 Hz, 1.0-mm double amplitude
Shock resistance
200 m/s
2
Dielectric strength 500 V AC for 1 min (between insulated circuits) 500 V AC (between insulated circuits)
Insulation resistance 20 MΩ min. at 250 V DC (between insulated circuits)
Ambient operating tem-
perature
0 to 55°C
Ambient operating
humidity
35% to 85% (with no condensation)
Ambient operating envi-
ronment
No corrosive gases.
Ambient storage tem-
perature
−25 to 65°C
Mounting method M4 screw mounting or 35-mm DIN track mounting
Mounting strength 50 N
10 N min. in the DIN Track direction
Terminal strength Pull: 50 N
Weight 160 g max.
Input signal range 0 to 5 V, 1 to 5 V, 0 to
10 V, or –10 to 10 V
0 to 20 mA or 4 to
20 mA
0 to 5 V, 1 to 5 V or
0 to 10 V,
0 to 20 mA or 4 to
20 mA
Max. signal input ±15 V ±30 mA ±15 V ±30 mA
Input impedance 1 MΩ min. Approx. 250 Ω 1 MΩ min. Approx. 250 Ω
Resolution 1/6000 (full scale) 1/30000 (full scale)
Accuracy 25°C ±0.3% FS ±0.4% FS ±0.3% FS ±0.4% FS
0 to 55°C ±0.6% FS ±0.8% FS ±0.6% FS ±0.8% FS
Conversion time 2 ms/input (8 ms/4 points, 4 ms/2 points) 250 ms/4 points
Converted output data
(Binary)
Binary (4-digit hexadecimal)
–10- to 10-V range: 8BB8 to 0 to 0BB8 full
scale
Other signal ranges: 0000 to 1770 full scale
Binary (4-digit hexadecimal)
0000 to 7530 (hexadecimal) full scale
Averaging function Settable (via DIP switch) Not provided.
Open circuit detection Provided. Provided.
Isolation method Photocoupler isolation between analog inputs
and communications lines
(There is no isolation between analog input sig-
nals.)
Photocoupler isolation between analog inputs
and communications lines
Photocoupler isolation between analog input
signals.
Item Specification
DRT1-AD04 DRT1-AD04H
Voltage inputs Current inputs Voltage inputs Current inputs