B: Modbus Map and Retrieving Logs
Doc# E149721 MM-23
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Only 1 input on all digital input cards may be specified as the end-of-interval pulse.
Logs cannot be reset during log retrieval. Waveform log cannot be reset while storing a capture. Busy exception will be returned.
Depending on the V-switch setting, there are 15, 29, or 45 flash sectors available in a common pool for distribution among the 3 historical and waveform logs. The pool size, number of sectors for each log, and the
number of registers per record together determine the maximum number of records a log can hold.
S = number of sectors assigned to the log,
H = number of Modbus registers to be monitored in each historical record (up to 117),
R = number of bytes per record = (12 + 2H) for historical logs
N = number of records per sector = 65516 / R, rounded down to an integer value (no partial records in a sector)
T = total number of records the log can hold = S * N
T = S * 2 for the waveform log.
Autoincrementing and function 35 must be used when retrieving waveform logs.
Summary of Contents for Shark 200S
Page 1: ...S h a r k 200S ...
