Allen-Bradley Rockwell Automation 842E-MIP Series, Руководство пользователя

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Rockwell Automation Publication 842E-UM001B-EN-P—April 2015
Chapter 3 EtherNet/IP overview
Numerator Test
Numerator
(CNR_N)
Denominator
(CNR_D)
Measuring
Range (CMR)
Bi-Directional
Rollover Test
Pass/Fail
One Rev
Distance Check
Test Pass/Fail
Distance Accuracy
(counts) NOTES
0 1 262,144 n /a n / a n/a
Message Instruction Errors – this is expected
operation
2 1 262,144 Pass Pass 0 - 1 131,072 counts per turn of the encoder
4 1 262,144 Pass Pass 0 - 1 65,536 counts per turn of the encoder
8 1 262,144 Pass Pass 0 - 1 32,768 counts per turn of the encoder
16 1 262,144 Pass Pass 0 - 1 16,384 counts per turn of the encoder
32 1 262,144 Pass Pass 0 - 1 8,196 counts per turn of the encoder
64 1 262,144 Pass Pass 0 - 1 4.096 counts per turn of the encoder
128 1 262,144 Pass Pass 0 - 1 2,048 counts per turn of the encoder
256 1 262,144 Pass Pass 0 - 1 1,024 counts per turn of the encoder
512 1 262,144 Pass Pass 0 - 1 512 counts per turn of the encoder
1024 1 262,144 Pass Pass 0 - 1 256 count per turn of the encoder
2048 1 262,144 Pass Pass 0 - 1 128 count per turn of the encoder
2049 1 262,144 n/a n/a n/a
Message Instruction Errors – this is expected
operation