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CRT1-VAD02[][]D / VDA02[][]D

Analog I/O Slave Units (Numerical indicator type)

CRT1-VAD02[][]D / VDA02[][]D

Analog slave unit with numerical indicator! Ensure easy setting in system start-up

Performance Specifications

Items Specifications
Communications power voltage 14.0 to 26.4 VDC
Noise immunity Conform to IEC61000-4-4, 2 kV (power line)
Vibration resistance 10 to 150 Hz, double amplitude 0.7 mm or 50 m/s2
Shock resistance 150 m/s2 (three times each in 6 directions of 3 axes)
Dialectic resistance 500 VAC (between insulated circuits)
Insulation resistance 20 MΩ min (between insulated circuits)
Ambient operating temperature -10 to +55 °C
Ambient operating humidity 25 to 85 % (with no condensation)
Ambient operating atmosphere No corrosive gas
Storage temperature -25 to +65 °C
Storage humidity 25 to 85 % (with no condensation)
Installation method DIN Track 35 mm or Mounting Bracket (for Expansion Units excluded)

Input Section Specifications

Item Specification and Performance
Voltage input Current input
Input range (signal) 0 to 5 V
1 to 5 V
0 to 10 V
-10 to +10 V
0 to 20 mA
4 to 20 mA
Maximum signal input ±15 V ±30 mA
Input impedance 1MΩ min approx. 250 Ω
Resolution 1/6000 (full scale)
Overall accuracy 25 °C ± 0.3%FS ± 0.4%FS
-10 to + 55°C ± 0.6%FS ± 0.8%FS
Conversion cycle 2 ms per two points
AD conversion data -10 to +10 V range: F448 to 0BB8 hex full scale (-3000 to +3000)
Others: 0000 to 1770 hex full scale (0 to 6000)
AD conversion range: ± 5 % FS of the above data range.
Insulation method Photocoupler isolation (between inputs and communications lines or input signals)
Communications power consumption 70 mA max. for 24-VDC power supply
105 mA max. for 14-VDC power supply
Weight CRT1-VAD02SD: 109 g
CRT1-VAD02MLD: 113 g

Output Section Specifications

Item Specification and Performance
Voltage output Current output
Output range (signal) 0 to 5 V
1 to 5 V
0 to 10 V
-10 to +10 V
0 to 20 mA
4 to 20 mA
External output permissible load resistance 5 kΩ min 600 Ω max
Resolution 1/6000 (full scale)
Overall accuracy 25 °C ± 0.4%FS ± 0.4%FS *
-10 to + 55°C ± 0.8%FS ± 0.8%FS *
Conversion cycle 2 ms per two points
DA conversion data -10 to +10 V range: F448 to 0BB8 hex full scale (-3000 to +3000)
Others: 0000 to 1770 hex full scale (0 to 6000)
DA conversion range: ± 5% FS of the above data range.
Insulation method Photocoupler isolation (between output and communications lines)
No isolation between output signal wires
Communications power consumption 125 mA max. for 24-VDC power supply
195 mA max. for 14-VDC power supply
Weight CRT1-VDA02SD: 106 g
CRT1-VDA02MLD: 112 g

* In current input mode of 0 to 20 mA, accuracy below 0.2 mA is not assured.