Rockwell Automation 1794-ID2 U.MNL INCREMENTAL ENCODER - Manual (Page 81)

Appendix
A
Publication 1794ĆUM015B-EN-P - May 2001
Specifications
Specifications - 1794ĆID2 2 Input Incremental Encoder Module
Input Specifications
Number of Counters 2
Number of Inputs per Counter 4 inputs (A, B, Z, G)
Input Pulse Width (minimum)
Each signal condition must be stable for at least
2 µ s to be recognized.
Counting Frequency 100KHz maximum.
Input Range Input ON
Input OFF
Maximum 26.4V dc (24V dc +10%)
Minimum 6V dc
Maximum 3V dc
Minimum -26.4V dc
Input Current (typical) 3mA @ 6V dc
9mA @ 12V dc
15mA @ 24V dc
General Specifications
Module Location Cat. No. 1794ĆTB3, ĆTB3S, ĆTBN, ĆTBNF Terminal
Base
Isolation Voltage 500V dc
Flexbus Current 0mA @ 5V dc
Power Supply 12-24V dc (+10%)
Current consumption from
external power supply
150mA @ 12V dc
75mA @ 24V dc
Power Dissipation 5W maximum @ 26.4V dc
Thermal Dissipation Maximum 17.1 BTU/hr @ 26.4V dc
Indicators (field side driven,
logic side indication)
1 green/red power/status indicator
12 yellow status indicators - logic side
Keyswitch Position 1
Dimensions Inches
(Millimeters)
1.8H x 3.7W x 2.1D
(45.7 x 94.0 x 53.3)
Specifications continued on next page.