Vega Modbus-TCP, ASCII protocol Bedienungsanleitung PDF herunterladen (Seite 13)

2 ASCII protocol

Modbus-TCP, ASCII protocol • VEGAMET 391/624/625, VEGASCAN 693, PLICSRADIO C62

30768-EN-130701

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End identication: Carriage Return CR (1 sign)

Total length of the telegram: 2 characters

"N"-times repetition of the following telegram

(N=total number of assigned PC/DCS outputs)

Number of bytes Character

T1 1 =

DCS no. 3 001 … 030

T2 1 #

Value 5 … 6 -067.3

T3 1 %

End identication 1 CR

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T1: "=" (1 character)

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DCS no.: No. of the PC/DCS output as 3-digit decimal number

•

T2: "#" (1 character)

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Value: Numerical value of the PC/DCS output or with interferred

measured value the text "FAU LT "

Formatting of the value:

Character Meaning

1 "- ": Minus with negative numbers

" ": Space with positive numbers

2 … 4 3-digit number

5 ".": Decimal point

6 1-digit number (after the decimal point)

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T3: "%" (1 character)

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End identication: Carriage Return CR (1 sign)

Total length of the telegram: N*12 … 13 characters

Note:

The % sign is a separator, not the unit %

Enquiry:

Answer:

=001# 067.3%

=002# 824.6%

=003#-067.3%

=004# 824.6%

% Block enquiry with length

As answer to the range enquiry, the range stated in the enquiry with

PC/DCS values is delivered. The measured value is transmitted with

three decimal places in front of the decimal point and one decimal

place after the decimal point without unit.

Reply from the signal

conditioning instrument

Example:

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 31 32

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