3 ANALOG OUTPUT MODULE REPLACEMENT
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3.9.1 Performance comparison
3.9 A68DAV
Item A68DAV
Digital input
(1)16-bit signed binary
(2)Setting range:
Analog output
-10 to 0 to 10VDC
(External load resistance value: 2k to 1M)
I/O characteristics
*When offset value 0V, gain value 10V settings
Maximum
resolution of
analog value
1/4000 2.5mV
1/8000 1.25mV
1/12000 0.83mV
Overall accuracy
(accuracy at maximum analog
output value)
±1.0% (±100mV)
Conversion speed
Within 40ms/8 channels (same time for one channel)
Note) Time from when the digital input is written to when the specified analog value is reached
Absolute maximum output
-12 to +12V
Note) Max. output voltage restricted by output protection circuit
Number of analog output
points
8 channels/module
Number of writes to E
2
PROM
-
Output short protection -
Isolation method
Between the output terminal and programmable controller power supply: photocoupler isolation
(Between channels: non-isolation)
Dielectric withstand voltage -
Insulation resistance -
Number of occupied I/O points
32 points
(I/O assignment: special 32 points)
Connected terminal 38-point terminal block
Applicable wire size
0.75 to 2mm
2
(Applicable tightening torque: 39 to 59N•cm)
Applicable solderless terminal V1.25-3, V1.25-YS3A, V2-S3, V2-YS3A
Internal current consumption
(5VDC)
0.15A
Setting resolution Setting range
1/4000 -4000 to 4000
1/8000 -8000 to 8000
1/12000 -12000 to 12000
Digital value resolution
*Analog
output value
1/4000 1/8000 1/12000
Digital
input
value
4000 8000 12000 +10V
2000 4000 6000 +5V
0 0 0 0V
-2000 -4000 -6000 -5V
-4000 -8000 -12000 -10V
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