2 function codes, 1 list of function codes – Yokogawa JUXTA VJ Series Limit Alarms User Manual

Page 44

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5-4

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<5. MODBUS Communication >

IM 77J01J11-01E

3rd Edition : Oct. 15, 2007-00

5.2

Function Codes

5.2.1

List of Function Codes

Function codes are command words used by the higher-level device to obtain the D regis-
ter information of the VJ Series signal conditioners.

Table 5-2 List of Function Codes

Code Number

03

Reads data from multiple
D registers.

Capable of reading data from a maximum of 64 successive
D registers between D0001 and D0128.

Performs a loop back test.

08

See subsection 5.2.2, “Function Codes”.

Function

Description

050201E.EPS

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