3. AIAO Units
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1-111
A/D conversion curve
(Default: mode 0)
Mode 6 (H’0006): (+4mA ~ +20mA)
+32000
4mA
0
Offset
20mA
12mA
Gain
+16000
Digital
output
Current input
+32384
-384
Mode -1 (H’FFFF): Channel
unavailable. Average value and
present value of input channels will be
displayed as 32767(H’7FFF)
Digital/Analog (D/A)
Voltage output
Current output
Analog output channel
2 channels
Range of analog output -10V ~ 10V
0 ~ 20mA
4mA ~ 20mA
Range of digital
conversion
-32,000 ~ +32,000
0 ~ +32,000
0 ~ +32,000
Max./Min. input range
of digital data
-32,768 ~ +32,767
0 ~ +32,767
-6,400 ~ +32,767
Resolution
14 bits
20V/64000
14 bits
20mA/32000
14 bits
16mA/32000
Output impedance
0.5
Ω
or lower
Overall accuracy
±
0.5% when in full scale (25°C, 77°F);
±
1% when in full scale within the range of (0 ~ 55°C, 32 ~ 131°F)
Response time
3 ms/ all channels
Max. output current
20mA (1K
Ω
~ 2M
Ω
) -
Tolerance load
impedance
-
0 ~ 500
Ω
Digital data format
16 significant bits out of 16 bits are available; in 2’s complement
Isolation
Optical coupler isolation between digital circuits and analog circuits. No
isolation among analog channels.
500VDC between digital circuits and Ground
500VDC between analog circuits and Ground
500VDC between analog circuits and digital circuits
500VDC between 24VDC and Ground
Protection
Voltage output is protected by short circuit. Short circuit lasting for too long
may cause damage on internal circuits. Current output can be open circuit.
D/A conversion curve
(Default: mode 0)
Mode 0 (H’0000): (-10V ~ +10V)
10V
+3 2,000
0
Offset
5V
Gai n
+1 6,000
Voltage
output
D igital input
-10 V
-5V
-32 ,0 00
+3 2,767
-32 ,7 68
Mode 1 (H’0001): (0mA ~ +20mA)
20m A
+3 2,000
0
Offs et
Gai n
+1 6,000
10m A
C urren t
output
D igita input
l
+3 2,767
Содержание ELCM Series
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