Rockwell Automation 1790D-XXXX DeviceNet Analog Base Terminal Block CompactBlock LDX I/O - Manual (Page 18)

18
Publication 1790-IN002B-EN-P - April 2003
2 Channel Analog Current Output Module Specifications
1790D-TN0C2
Outputs per module 2 channel single-ended, non-isolated
Output Current 0-20mA
Resolution 12 bits
1/4096 maximum
4.88
µA/bit
Converted Data Binary data
0000 to 0fff (max scale)
Conversion Time 2ms/channel
Overall accuracy 0.2% Full scale @0°-55°C
Calibration None required
Allowable external output load
resistance 600 Ω maximum
Insulation Resistance 20M Ω minimum @ 250V dc (between insulated
circuits)
General Specifications
DeviceNet Power Supply voltage - 24V dc nominal
Voltage range - 11-28.8V dc
Power dissipation - 1.2W maximum @ 28.8V dc
Field Power Supply Voltage - 24Vdc nominal
Voltage Range - 21.6-26.4V dc (+10%)
Power Dissipation - 1.5W maximum @26.4V dc
Isolation I/O to logic: photocoupler isolation
Isolation voltage: Type Test 1250V ac rms for 60
seconds
DeviceNet to logic: non-isolated
Field power: non-isolated
Indicators 2 red/green I/O status
Wiring Terminal block connector
screw torque: 7 inch pounds maximum
IMPORTANT: This analog base module can accommodate a maximum of two discrete
expansion modules.