Rockwell Automation 1798-OE2 FlexArmor Analog Output Module - Manual (Page 6)

6 FlexArmor Analog Output Module
Publication 1798-IN009A-EN-P - April 2002
Troubleshooting with the Indicators
The following table describes the status indicator on the analog
output modules.
Specifications
I/O Status Indicators
Function Indicator Status
Fault
LED Red
Off Sensor Power Short
Normal
Specifications - 1798-OE2 Analog Output Module
Module Type Analog Output
Number of Channels 2 single-ended, non-isolated
Resolution Bits
Voltage/Cnt
Current/Cnt 12 + sign
2.56 mV
5.13 uA
Data Format 16 bit; 2’s complement; left-justified
Conversion Type Pulse width modulation
Conversion Rate 1.024 ms - All channels
Current Terminal 4-20 mA; 0-20 mA (0 mA output until the module is
configured)
Voltage Terminal ±10V; 0-10V - 3 mA maximum (0V output until the
module is configured)
Step Response to 63% of FS 24 mS
Output Load on Voltage 3 mA maximum
Resistive Load on mA
Output 15-750 ohms
Absolute Accuracy
Voltage Terminal
Current Terminal 0.133% FS @ 25°C
0.425% FS @ 25°C
Accuracy Drift
Voltage Terminal
Current Terminal 0.0045% FS per°C
0.0069% FS per°C
Calibration None Required
FlexBus Current 10 mA maximum
Power dissipation 2.5W @ 28.8V dc
Sensor Source Current
(per connector) 50 mA
Thermal Dissipation 8.5 BTU/hr @ 28.8V dc
Indicator 1 fault LED Indicator - red
External DC Power
Voltage (24V dc nom.)
Current 10-28.8V dc; 5% AC ripple
85 mA @ 24V dc