Example - Agilent Technologies MS40-S Manual Del Usuario

Technical Information
Table 15 Controllers' response types
Type
Logic
Numeric
Alphanumeric
ACK
NACK
Unknown Window
Data Type Error
Out of Range
Win Disabled
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>

Example

Command: START
Source: PC
Destination: Pump
02
STX
Source: Pump
Destination: PC
02
212
Length
1 byte
6 bytes
10 bytes
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
80 30 30 30
ADDR WINDOW
80 06 03 38
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 execution 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 Alphanumeric) is not accorded with
the specified Window
(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
31 31 03 42
WR ON ETX CRC
35
33
MS40-S User Manual