Delta Electronics VFD-EL series User Manual

Revision 2016/03, 6ELE, V1.14
4-75
For RTU:
Start
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0
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6
Stop
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Stop
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8-bit characte r
11-bit character frame
( 8.N.2 )
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6
Even
parity
Stop
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11-bit character frame
( 8.E.1 )
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Stop
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11-bit character frame
( 8.O.1 )
Odd
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8-bit characte r
8-bit character
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8-bit characte r
10 -bit character frame
( 8.N.1 )
Start
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Even
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12 -bit character frame
( 8.E.2 )
Start
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12 -bit character frame
( 8.O.2 )
Odd
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7
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8-bit characte r
8-bit character
Stop
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Stop
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 3. Communication Protocol
3.1 Communication Data Frame:
ASCII mode:
STX Start character ‘:’ (3AH)
Address Hi Communication address:
8-bit address consists of 2 ASCII codes
Address Lo
Function Hi Command code:
8-bit command consists of 2 ASCII codes
Function Lo
DATA (n-1) to DATA 0 Contents of data:
Nx8-bit data consist of 2n ASCII codes
n<=20, maximum of 40 ASCII codes
LRC CHK Hi LRC check sum:
8-bit check sum consists of 2 ASCII codes
LRC CHK Lo
END Hi End characters:
END1= CR (0DH), END0= LF(0AH)
END Lo

Delta Electronics VFD-EL series Specifications

General

Brand	Delta Electronics
Model	VFD-EL series
Category	Media Converter
Language	English