-40-
Introduction
3.4.4 AO Module
1)
Basic specifications
Item
Specifications
Output channel
4
Power supply voltage
24 VDC (20.4 VDC to 28.8 VDC) (–15% to +20%)
Power consumption of the internal 5 V
power supply
85 mA (typical value)
Voltage output load
1 kΩ to 1 MΩ
Current load impedance
0 Ω to 600 Ω
Output voltage range
Bipolar: ±5 V
,
±10 V; Unipolar: +5 V
,
+10 V
Output current range
4 mA to 20 mA
,
0 mA to 20 mA
Accuracy (normal temperature: 25℃ )
Voltage: ±0.1%
,
current: ±0.1% (full ranges)
Accuracy (ambient temperature: 0℃ to
55℃ )
Voltage: ±0.15%
,
current: ±0.8% (full ranges)
Resolution
16 bits
Conversion time
1 ms/channel
Isolation method
Isolation between I/O terminals and power supply
No isolation between channels
Output short-circuit protection
Yes
System program update mode
USB port
Isolation method
Isolation between I/O terminals and power supply
System program update mode
USB port
The relationship between the actual analog output and the digitals is as follows:
Output Type
Rated Output
Range
Corresponding Digital
Value Range
Output Limit
Range
Corresponding Digital
Value Range
Analog voltage output
-10 V to 10 V
-20
,
000 to 20
,
000
-11 V to 11 V
-22
,
000 to 22
,
000
0 V to +10 V
0 to 20000
-0.5 V to 10.5 V
-1000 to +21
,
000
-5 V to 5 V
-20
,
000 to 20
,
000
-5.5 V to 5.5 V
-22
,
000 to 22
,
000
0 V to 5 V
0 to 20000
-0.25 V to 5.25 V
-1000 to +21
,
000
1 V to 5 V
0 to 20000
0.8 V to 5.2 V
-1000 to +21
,
000
Analog current output
0 mA to 20 mA
0 to 20000
0 mA to 21 mA
0 to 21
,
000
4 mA to 20 mA
0 to 20000
3.2 mA to 20.8 mA
-1000 to +21
,
000
