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Using the RS 485 interface, the message structure remains identical to the one
NOTE
used for the RS 232 interface, the only difference being that the value assigned
to the ADDRESS <ADDR>
The controller can answers with the following response types:
Tab. 6
Type
Logic
Numeric
Alphanumeric
ACK
NACK
Unknown Window
Data Type Error
Out of Range
Win Disabled
TV 801 Navigator User Manual / 87-900-953-01
RS 232/RS 485 Communication Description
Response types
Length
1 byte
6 bytes
10 bytes
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
(G)
Technical Information
Value
Description
-
After a read instruction of a logic
window
-
After a read instruction of a
numeric window
-
After a read instruction of an
alphanumeric window
(0x6)
The command execution has been
successfully completed
(0x15)
The command execu-tion has been
failed
(0x32)
The specified window in the
command is not a valid window
(0x33)
The data type specified in the
command (Logic, Numeric or
Alphanu-meric) is not accorded
with the specified Win-dow
0x34)
The value expressed during a write
command is out of the range value
of the specified window
(0x35)
The specified window is Read Only
or temporarily disabled (for ex-
ample you can't write the Soft
Start when the Pump is running)
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