Agilent Technologies TwisTorr 74 FS AG Bedienungshandbuch Seite 177

Using the RS-485 interface, message structure is identical to that used for the
NOTE
RS-232 interface, the only difference being the value assigned to the ADDRESS
<ADDR>
The controller can answer with the following types of replies:
Response type Response length
Logic 1 byte
Numeric 6 bytes
Alphanumeric 10 bytes
ACK 1 byte
NACK 1 byte
Unknown Window 1 byte
Data Type Error 1 byte
Out of Range 1 byte
Win Disable 1 byte
TwisTorr 74 FS AG On-board Controller User Manual / 87-901-054-01
Response 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) Execution of the command has been completed
successfully.
(0x15) Execution of the command has failed.
(0x32) The window specified in the command is not a
valid window.
(0x33) The data type specified in the command (Logic,
Numeric or Alphanumeric) does not match the
window specified.
(0x34) The value expressed during a write command is
outside the range of value of the window
specified.
(0x35) The window specified is Read Only or
temporarily disabled (for example, Soft Start
cannot be written when the Pump is running).
Technical Information
Description
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