Rockwell Automation 1791D-N4CV2X CompactBlock I/O for DeviceNet Expansion Module I.I. - Manual (Page 13)

CompactBlock I/O Analog Combination Input/Output Expansion Module 13
Publication 1791D-IN002A-EN-P - June 2003
Specifications
Output Channel Status Indicator
LED Indicator: Status:
Solid Green/On Output channel operating properly
Flashing Green Output disabled (Output enable bit is 0)
Flashing Red Output channel over data range or under data range @ 4-20mA current mode
Off Neither of the above conditions is true
Input Specifications
Input Channels 4 differential or single ended (individually configured
by wire for current or voltage)
Current
Voltage Operating Range Full Range
0-20mA 0-21mA
4-20mA 3.2-21mA
0-10V dc
0-10.5V dc
A/D Conversion Time per Channel 100ms @ 60 Hz Filter
Common Mode Voltage Range 1 volt
Common Mode Rejection >55 dB @ 50 & 60Hz @ 1V between inputs and
analog com
Input Impedance
Voltage Terminal
Current Terminal 200K ohms (typical)
249 ohms (nominal)
Overall Accuracy
Voltage Accuracy
Current Accuracy +0.25% of Full Scale
+0.25% of Full Scale
Non-linearity (in % Full Scale) +0.4%
Repeatability (in % Full Scale) +0.4%
Resolution 12 bit
Conversion Type Delta-Sigma
Field Input Calibration None (Production)