Datasheet

CJ1W-AD/DA/MAD
7
Output Specifications
*1 Input and output signal ranges can be set for each input and output.
*2 Voltage input or current input are chosen by using the voltage/current switch at the back of the terminal block.
*3 The Analog I/O Unit must be operated according to the input specifications provided here. Operating the Unit outside these specifications will
cause the Unit to malfunction.
*4 The accuracy is given for full scale. For example, for an input, an accuracy of ±0.2% means a maximum error of ±8 (BCD) at a resolution of
4,000. For an output, an accuracy of ±0.3% means a maximum error of ±60 mV for a 10 to 10 V range.
*5 The A/D conversion period is the time required from when the Analog Input Unit receives the analog signal until it stores the converted value
in internal memory. It takes at least one cycle for the converted data to be stored in the CPU Unit.
The D/A conversion period is the time required for the Analog Output Unit to convert and output the data that was received from the CPU Unit.
It takes at least one cycle for the data stored in the CPU Unit to be read by the Analog Output Unit.
*6 When the operation mode for the CPU Unit is changed from RUN mode or MONITOR mode to PROGRAM mode, or when the power is turned
ON, the Output Conversion Enable Bit will turn OFF. The output status specified according to the output hold function will be output.
*7 By means of the setting, the resolution can be changed to 8,000, and the conversion period can be changed to 500 μs.
Item Voltage output Current output
Number of analog outputs 2
Output signal range *1
1 to 5 V
0 to 5 V
0 to 10 V
10 to 10 V
4 to 20 mA
Output impedance 0.5 Ω max.
Maximum external output
current (for 1 point)
2.4 mA
Maximum allowed load
resistance
600 Ω
Resolution 4,000/8,000 *7
Set data 16-bit binary data
Accuracy *4
25°C ±0.3% of F.S. ±0.3% of F.S.
0°C to 55°C ±0.5% of F.S. ±0.6% of F.S.
D/A conversion period *5 1.0 ms/500 μs per point
Output hold function
Outputs the specified output status (CLR, HOLD, or MAX) under any of the following circumstances.
When the Conversion Enable Bit is OFF. *6
In adjustment mode, when a value other than the output number is output during adjustment.
When output setting value error occurs or Controller operation stops.
When the Load is OFF.
Scaling
Enabled only for conversion period or 1 ms and resolution of 4,000. Setting any values within a range of
±32,000 as the upper and lower limits allows D/A conversion to be executed and analog signals to be output
with these values as full scale.
Ratio conversion function *5
Stores the results of positive and negative gradient analog inputs calculated for ratio and bias as analog output
values.
Positive gradient: Analog output = A × Analog input + B
(A: 0 to 99.99, B: 8000 to 7FFF hex)
Negative gradient:Analog output = F A × Analog input + B
(A: 0 to 99.99, B: 8000 to 7FFF hex, F: Output range maximum value)
Offset/gain adjustment Supported