Modbus Function Code 0X23 - Electro Industries Shark 200 Installation & Operation Manual

In the Shark® 200 meter, when the last register in the data window is read, the
record index is incremented by the Records per Window.
B.5.4.2: Modbus Function Code 0x23
QUERY
Field Name
Slave Address
Function
Starting Address Hi
Starting Address Lo
# Points Hi
# Points Lo
Repeat Count
RESPONSE
Field Name
Slave Address
Function
# Bytes Hi
# Bytes Lo
Data
Function Code 0x23 is a user defined Modbus function code, which has a format simi-
lar to Function Code 0x03, except for the inclusion of a "repeat count." The repeat
count (RC) is used to indicate that the same N registers should be read RC number of
times. (See the Number of Repeats bullet on page B-14.)
Electro Industries/GaugeTech
Electro Industries/GaugeTech
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B: Modbus Map and Retrieving Logs
Example (Hex)
01
23
C3
51
00
7D
04
Example (Hex)
01
23
03
E0
...
#
Doc E149701 B-17