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Building Automation


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Power Automation & Safety

Bangladesh Distributor

CRT1-AD04 / DA02

Analog I/O Slave Units

CRT1-AD04 / DA02

Convert to Smart for Smarter Processing! Simple and Intelligent Analog I/O Slaves

about this Product Family

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

Item Specification
Voltage input Current input
Model CRT1-AD04
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 points
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 mounting
Power supply type Multi-power supply
Communications power current consumption 110 mA max. for 24-VDC power supply
175 mA max. for 14-VDC power supply
Weight 153 g

Output Section Specifications

Item Specification
Voltage output Current output
Model CRT1-DA02
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)
AD 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 mounting
Power supply type Multi-power supply
Communications power current consumption 125 mA max. for 24-VDC power supply
205 mA max. for 14-VDC power supply
Weight 155 g

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