41
Compoway-F communication
Section 3-3
Note
Wait until the execute word is the same as the command word before sending
a new command except for the error bit.
An overview of all the commands, channel numbers and error codes and their
numerical values is given in the next table.
PROFIBUS
communication fails
When the PROFIBUS communication fails the Temperature Controller can
hold the last value or a stop command can be sent. This behavior can be
selected in CX-Profibus, see the example in the figure below.
Bit group
name
Binary
Value
Value description
Command
code
0000
Clear command
0001
Run
0010
Stop
0011
AT Cancel
0100
AT Execute
0101
Auto
0110
Manual
0111-1111
Reserved
Channel
numbers
000
Channel 1
001
Channel 2
010
Channel 3
011
Channel 4
100-110
Not supported
111
All channels
Error code,
one bit
0
No error
1
Error
Not supported command number
Not supported channel number
Command execution failed
Communication with Temperature Controller fails