Rockwell Automation 2080-LC20-20QBBR Micro820 20-point Programmable Controllers User Manual - Manual (Page 116)

108 Rockwell Automation Publication 2080-UM005A-EN-E - December 2013
Appendix A Specifications
Datalog Performance
100 40% 38.00% 65.00% 49.3
100 55% 53.00% 80.00% 64
100 65% 63.00% 90.00% 73.8
100 85% 83.00% 100.00% 92.4
100 95% 93.00% 100.00% 98
PWM Typical Readings
Expected Duty Cycle Typical Duty Cycle
(1.27 K
Ω load)
Frequency (Khz) %Duty Cycle Minimum Maximum %Duty Cycle
Datalog – Data Payload vs. Performance Time
Parameter Number of Characters
28 502 518 1028 1493 3676
Average write time per datalog
file including all overheads
541.77 ms 1043.75 ms 1086.67 ms 1632.36 ms 1972.9 ms 2696.22 ms
Average write time excluding first
sample
500.40 ms 963.86 ms 999.14 ms 1472.36 ms 1818.33 ms 2545.92 ms
Average write time excluding all
overheads
479.10 ms 502.78 ms 493.03 ms 505.54 ms 519.91 ms 715.68 ms