West Control Solutions ProVU 4 User Manual

Page 123

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ProVU4 Controller, Profiler & Recorder/Controller - Product Manual

Page 122

Modbus Parameters

59407, Issue 1 – March 2008

Read A Profile Header - Request (to instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Write Quantity Of Registers High Byte

00

00

Write Quantity Of Registers Low Byte

02

02

Byte Count

04

04

Command Code High Byte

82

52

Command Code Low Byte

80

50

Profile Number High Byte

A/R

A/R

Profile Number Low Byte

A/R

A/R

CRC High Byte

A/R

A/R

CRC Low Byte

A/R

A/R

The instrument replies to the Read A Profile Header request as follows:

Read Profile Header - Response (from instrument)

Field Name

Data

Comments

(Dec)

(Hex)

Unit Address

A/R

A/R

The ID address of the instrument

Function Code

23

17

The multi read/write function

Byte Count

36

24

Profile Name Character 1

A/R

A/R

Profile Name Character 2

A/R

A/R

Profile Name Character 3

A/R

A/R

Profile Name Character 4

A/R

A/R

Profile Name Character 5

A/R

A/R

Profile Name Character 6

A/R

A/R

Profile Name Character 7

A/R

A/R

Profile Name Character 8

A/R

A/R

Profile Name Character 9

A/R

A/R

Profile Name Character 10

A/R

A/R

Profile Name Character 11

A/R

A/R

Profile Name Character 12

A/R

A/R

Profile Name Character 13

A/R

A/R

Profile Name Character 14

A/R

A/R

Profile Name Character 15

A/R

A/R

Profile Name Character 16

A/R

A/R

The ASCII codes equivalent to each of the
16 characters of the profile name, e.g. :
A = 65dec / 0x41, B = 66dec / 0x42 etc
a = 97dec / 0x61, b = 98dec / 0x62
The space character (32dec / 0x20hex) is
used to fill any unused characters at the
end of the name.

Profile Start Signal High Byte

00

00

Profile Start Signal Low Byte

A/R

A/R

0 = No delay, 1 = After delay, 2 = At
Time/day

Profile Start Time (Byte 4 - High)
Profile Start Time (Byte 3)
Profile Start Time (Byte 2)
Profile Start Time (Byte 1 - Low)

Floating point number

Profile Start Day High Byte

00

00

Profile Start Day Low Byte

A/R

A/R

1 = Monday, 2 = Tuesday, 3 = Wednesday,
4 = Thursday, 5 = Friday, 6 = Saturday,
7 = Sunday, 8 = Monday to Friday,
9 = Monday to Saturday, 10 = Saturday
And Sunday, 11= All Week

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