6/03
IO-AI4-AO2 I/O Expansion M odule
Unitronics Industrial Automation
7
IO-AI4-AO2 Technical Specifications
Max. current consumption
30mA maximum from the adapter’s 5VDC
Typical power consumption
0.1W @ 5VDC
Status indicator
(RUN)
Green LED:
—Lit when a communication link is established between module and OPLC.
—Blinks when the communication link fails.
Analog Inputs
Number of inputs
4 (single-ended)
Input range
0-10V, 0-20mA ,4-20mA. See Note 1.
Conversion method
Successive approximation
Resolution (except at 4-20mA)
12-bit (4096 units)
Resolution at 4-20mA
819 to 4095 (3277 units)
Conversion time
20msec
Input impedance
1MΩ—voltage
121.5Ω—current
Galvanic isolation
None
Absolute maximum rating
±20V—voltage
±40mA—current
Full-scale error
±4 LSB (0.1%)
Linearity error
±1 LSB (0.025%)
Operational error limits
±0.4%
Status indicators
(OUT OF RANGE)
Red LEDs—Lit when the corresponding input is receiving current or voltage in
excess of the input range. See Note 2.
Analog Outputs
Number of outputs
2 (single-ended)
Output range
±10V, 0-20mA, 4-20mA. See Note 1.
Resolution (except at 4-20mA)
Resolution at 4-20mA
12-bit (4096 units) + sign
819 to 4095 (3277 units)
Load impedance
1kΩ minimum—voltage
500Ω maximum—current
Galvanic isolation
None
Conversion time
5msec
Linearity error
±0.1%
Operational error limits
±0.2%
Status Indicators
(SHORT CIRCUIT)
Red LED—Lit when an output wired to deliver a positive voltage is
short-circuited. See Note 3.
Analog Power Supply
24VDC
Permissible range
20.4 to 28.8VDC
Max. current consumption
75mA@24VDC
Environmental
IP20/NEMA1
Operating temperature
0
°
to 50
°
C (32 to 122° F)
Storage temperature
-20
°
to 60
°
C (-4 to 140° F)
Relative Humidity (RH)
5% to 95% (non-condensing)
Dimensions (WxHxD)
80mm x 93mm x 60mm (3.15 x 3.66 x 2.362”)
Weight
146.3g (5.15oz.)
Mounting
Either onto a 35mm DIN-rail or screw- mounted.
