Allen-Bradley Micro820 User Manual

120 Rockwell Automation Publication 2080-UM005B-EN-E - March 2015
Chapter 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 KΩ 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
Time (msec)
Data Payload
2750
2250
1750
1250
750
250
0
500
1000
1500
2000
2500
3000
3500
4000
715.68
519.9090909
505.5405405
493.0344828
502.7840909
502.7840909
541.75
963.858859
999.1414141
1043.75
1086.67
1472.367347
1632.36
1818.326531
1972.9
2545.918367
2692.22
Average write time
per datalog including
all overheads
Average write time
excluding first sample
Average write time
excluding all
overheads

Allen-Bradley Micro820 Specifications

General

Processor	32-bit
Power Supply	24V DC
Programming Software	Connected Components Workbench
Series	Micro800
Mounting	DIN Rail
Memory	Embedded
Expansion	Yes
Controller Type	Programmable Logic Controller (PLC)
Communication	Ethernet/IP
Programming Language	Ladder Diagram, Function Block Diagram, Structured Text
I/O	Embedded