gefran GFW 40-300A, Руководство по установке

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80561A_MSW_GFW-Profinet_07-2018_EN
7�14� Modbus error management
In the event of an error in the execution of a modbus command, the response in the byte host response byte 2 will be
the value of the host command byte 2 plus 128:
host response byte 2=host command byte 2+128
HOST COMMAND
Host command
byte 0-1
Host command
byte 2
Host command
byte 3
Host command
byte 4
Host command
byte 5
Host command
byte 6
Host command
byte 7
+ 1 X Not significant Not significant Not significant Not significant
HOST RESPONSE
Host response
byte 0-1
Host response
byte 2
Host response
byte 3
Host response
byte 4
Host response
byte 5
Host response
byte 6
Host response
byte 7
Trigger =
Command
trigger
1 X+128 Error code^
N.B.^: The possible values for the Error code field are:
•
1 = illegal function
•
2 = illegal address
•
3 = illegal data
•
9 = illegal number of data
•
10 = data is read only
Also available (only for the GFW device) in the case of loss of PROFINET communication, is the possibility to set
the devices connected to the following status
Fault
mode
Value Description
0 Default No Action
1
Pid Controller in software
shutdown
2
Pid Controller in manual
status
3
Pid Controller with set point
equal to SP2
S7 TIAPortal