Rockwell Automation 1734-VHSC24 Point I/O Very High Speed Counter Module - Manual (Page 22)

22 POINT I/O 5V DC and 24V DC Very High Speed Counter Module
Publication 1734-IN003F-EN-E - January 2014
Specifications
Input Specifications
Attribute Value
Number of inputs 1 – 1 group of A/A
ret
, B/B
ret
and Z/Z
ret
Input voltage 1734-VHSC5 – 5V DC
1734-VHSC24 – 24V DC
Input current 1734-VHSC5
19.1 mA @ 5V DC
25.7 mA @ 6V DC
1734-VHSC24
6.1 mA @ 15V DC
10.2 mA @ 24V DC
Input OFF-state current, max ≤ 0.250 mA
Input OFF-state voltage 1734-VHSC5 – ≤ 1.25V DC
1734-VHSC24 – ≤ 1.8V DC
Input ON-state current ≥ 5 mA
Input ON-state voltage 1734-VHSC5 – ≥ 2.6V DC
1734-VHSC24 – ≥ 12.5V DC
Maximum ON-state voltage 1734-VHSC5 – ± 6V
1734-VHSC24 – Refer to
Input Derating Curve for 1734-VHSC24 diagram
Input filter selections Off
10 μs
100 μs
1.0 ms
10.0 ms
Maximum input frequency 1.0 MHz counter and encoder X1 configurations
500 kHz encoder X2 configuration (no filter)
250 kHz encoder X4 configuration (no filter)