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CRT1-VAD04[][] / VDA02[][]

Analog I/O Slave Units with MIL Connectors/e-CON Connectors

CRT1-VAD04[][] / VDA02[][]

Analog Slave Units with the Industry's Narrowest Width Help Save Space in Equipment and Panels

Item list of CRT1-VAD04[][] / VDA02[][]

about this Product Family

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last update: September 24, 2012

Basic Performance Specifications

Item Specification
Communications power supply voltage 14 to 26.4 VDC
I/O power supply voltage *1 20.4 to 26.4 VDC (24 VDC -15%/+10%)
Noise immunity Conforms to IEC 61000-4-4, 2 kV (power line).
Vibration resistance 10 to 60 Hz with double-amplitude of 0.7 mm, 60 to 150 Hz and 50 m/s2 in
X, Y, and Z directions for 80 min each
Shock resistance 150 m/s2 (3 times each in 6 directions on 3 axes)
Dielectric strength 500 VAC (between isolated circuits)
Insulation resistance 20 MΩ min. (between isolated circuits)
Ambient operating temperature -10 to 55°C
Ambient operating humidity 25% to 85% (with no condensation)
Ambient operating atmosphere No corrosive gases
Storage temperature -25 to 65°C
Storage humidity 25% to 85% (with no condensation)
Terminal block screw tightening
torque *2		 M3 wiring screws: 0.5 Nm
M3 mounting screws: 0.5 Nm
Installation Mounted on 35-mm DIN Track or Mounting Bracket, or secured with M4
screws (depending on model)

*1 The I/O power supply is called the sensor power supply in information for the CRT1-VAD04S.
*2 Applicable only to Slaves to which screw terminal blocks are mounted.

Input Section Specifications

Four-point Analog Input Unit (with MIL Connectors)
CRT1-VAD04ML

Item Specification
Voltage input Current input
Input signal ranges 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 1 MΩ min. Approx. 250 Ω
Resolution 1/6,000 (full scale)
Overall accuracy 25°C ±0.3% FS ±0.4% FS
-10 to 55°C ±0.6% FS ±0.8% FS
Conversion cycle 1 ms/ 1 point
AD conversion data -10 to 10 V range: F448 to 0BB8 hex full scale (-3,000 to 3,000)
Other ranges: 0000 to 1770 hex full scale (0 to 6,000)
AD conversion range: ±5% FS of the above data ranges.
Isolation method Photocoupler isolation (between input and communications lines)
No isolation between input signal wires
Mounting DIN Track mount or mount for Mounting Bracket
Power supply type Multi-power supply
Communications power current consumption 75 mA max. for 24-VDC power supply
115 mA max. for 14-VDC power supply
Weight 70 g max.

Four-point Analog Input Unit (with e-CON Connectors)
CRT1-VAD04S

Item Specification
Voltage input Current input
Input signal ranges 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 1 MΩ min. Approx. 250 Ω
Resolution 1/6,000 (full scale)
Overall accuracy 25°C ±0.3% FS ±0.4% FS
-10 to 55°C ±0.6% FS ±0.8% FS
Conversion cycle 1 ms/ 1 point
AD conversion data -10 to 10 V range: F448 to 0BB8 hex full scale (-3,000 to 3,000)
Other ranges: 0000 to 1770 hex full scale (0 to 6,000)
AD conversion range: ±5% FS of the above data ranges.
Isolation method Photocoupler isolation (between input and communications lines)
No isolation between input signal wires
Mounting DIN Track mount or mount for Mounting Bracket
Power supply type Multi-power supply
Communications power current consumption 75 mA max. for 24-VDC power supply
115 mA max. for 14-VDC power supply
Sensor power supply current * Less than 200 mA (for each CH)
Weight 85 g max.

* In order to provide power to the sensor through the I/O connector, a 24-VDC power supply must be connected to the
    sensor power supply connector.

Output Section Specifications

Two-point Analog Output Unit (with MIL Connectors)
CRT1-VDA02ML

Item Specification
Voltage Output Current Output
Output signal ranges 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 allowable load resistance 1 kΩ min. 600 Ω max.
Resolution 1/6,000 (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/ 2 points
DA conversion data -10 to 10 V range: F448 to 0BB8 hex full scale (-3,000 to 3,000)
Other ranges: 0000 to 1770 hex full scale (0 to 6,000)
DA conversion range: ±5% FS of the above data ranges.
Isolation method Photocoupler isolation (between output and communications lines)
No isolation between output signal wires.
Mounting DIN Track mount or mount for Mounting Bracket
Power supply type Multi-power supply
Communications power current consumption 105 mA max. for 24-VDC power supply
170 mA max. for 14-VDC power supply
Weight 75 g max.

* The specified accuracy does not apply below 0.2 mA when using the 0 to 20 mA range.

Two-point Analog Output Unit (with e-CON Connectors)
CRT1-VDA02S

Item Specification
Voltage Output Current Output
Output signal ranges 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 allowable load resistance 1 kΩ min. 600 Ω max.
Resolution 1/6,000 (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/ 2 points
DA conversion data -10 to 10 V range: F448 to 0BB8 hex full scale (-3,000 to 3,000)
Other ranges: 0000 to 1770 hex full scale (0 to 6,000)
DA conversion range: ±5% FS of the above data ranges.
Isolation method Photocoupler isolation (between output and communications lines)
No isolation between output signal wires.
Mounting DIN Track mount or mount for Mounting Bracket
Power supply type Multi-power supply
Communications power current consumption 105 mA max. for 24-VDC power supply
170 mA max. for 14-VDC power supply
Weight 85 g max.

* The specified accuracy does not apply below 0.2 mA when using the 0 to 20 mA range.

last update: September 24, 2012

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