Bronkhorst RS232 interface User Manual
Page 16
BRONKHORST
®
Page 16
RS232 interface
9.17.027
3.6
S
TATUS MESSAGE
A write to a device with the command “01” will result in a status message. Below the possible returns are listed.
Nr
Byte
Description
0
:
Start character
1
04
Fixed message length 4.
2
Node
Node address
3
00
Command status
4
Status
00 No error
01 Process claimed
02 Command error
03 Process error
04 Parameter error
05 Parameter type error
06 Parameter value error
07 Network not active
08 Time‐out start character
09 Time‐out serial line
0A Hardware memory error
0B Node number error
0C General communication error
0D Read only parameter.
0E Error PC‐communication
0F No RS232 connection
10 PC out of memory
11 Write only parameter
12 System configuration unknown
13 No free node address
14 Wrong interface type
15 Error serial port connection
16 Error opening communication
17 Communication error
18 Error interface bus master
19 Timeout answer
1A No start character
1B Error first digit
1C Buffer overflow in host
1D Buffer overflow
1E No answer found
1F Error closing communication
20 Synchronisation error
21 Send error
22 Protocol error
23 Buffer overflow in module
5
Index or Claimed
process
Index pointing to the first byte in the send message for which the above status applies.
In case of the status CLAIM ERROR, this field contains the claimed process.
6
\r
Carriage Return
7
\n
Line Feed
Value from byte 5 of status message may be neglected if value of byte 4 = 0