M-7084 User Manual, Rev. A1.1 7PH-013-A11
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2. DCON Protocol
All communication with I-7000 modules consists of
commands generated by the host and responses transmitted by
the I-7000 modules. Each module has a unique ID number
that is used for addressing purposes and is stored in non-
volatile memory. The ID is 01 by default and can be changed
using a user command. All commands to the modules contain
the ID address, meaning that only the addressed module will
respond. The only exception to this is command ~** (Section
2.36), which is sent to all modules, but the modules do not
reply to the command.
Command Format:
Leading
Character
Module
Address
Command [CHKSUM] CR
Response Format:
Leading
Character
Module
Address
Data
[CHKSUM] CR
CHKSUM
A
2-character checksum which is present when
the checksum setting is enabled. See Sections
1.9 (Data Format Setting) and 2.1 for details.
CR
End of command character, carriage return
(0x0D)