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Modbus Function Codes
0004 can be used to send.
Report Device ID:
43-TV-25-35 GLO Iss.4 Dec 06 UK
A5E01001767-04
Modbus Function Codes
Slave ID for SIREC D200, D300 and D400 recorders is always 05.
•
Device description
•
Item
Size in bytes
Device Description
16d, 0x10
•
Number of data block records, byte 23, always equals 05 data blocks are always
in order.
00 = Analogue inputs, 02 = Digital inputs, 03 = Digital outputs, 06 = Pens, 09 =
Totalisers.
Contents
Recorder type+space+software version
The length is extended to exactly 16 bytes by trailing
0x00 characters.
Recorder type =is a combination of the OEM series
name followed by the OEM device name (truncated to
16 characters)
Software version is of the form nn.XX eg.00.FQ
267
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