Eaton ELC-PB, Programming Manual

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E L C P r o g r a m m i n g M a n u a l
F or mo re inf or ma tio n visi t: www.eato n.co m MN 05 0 03 0 03 E A -16
Field Name ASCII
Data (Coils Y043…Y034)
6B
Data (Coils Y053…Y044)
B2
Data (Coils Y063…Y054)
0E
Data (Coils Y070…Y064)
1B
Error Check (LRC)
E5
END 1 0D (Hex)
END 0 0A (Hex)
Command Code
：
03, Read Multiple Register (T, C, D)
What is the maximum number of registers that can be read?
Example: Read coils T20~T27 from Slave ID#01
Master → ELC “: 01 03 06 14 00 08 DA CR LF”
Sent message:
Field Name ASCII
STX
3A (Hex)
Slave Address
01
Command code
03
Starting Address Hi
06
Starting Address Lo
14
Number of Points Hi
00
Number of Points Lo
08
Error Check (LRC)
DA
END 1 0D
END 0 0A (Hex)
ELC → Master
“:01 03 10 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 08 B8 CR LF”
Feedback message:
Field Name ASCII
STX 3A (Hex)
Slave Address 01
Command code 03
Bytes Count 10
Data Hi (T20) 00
Data Lo (T20) 01
Data Hi (T21) 00
Data Lo (T21) 02