COMFault
get Modbus Server communication fault signal
Since R2019b
Library: Modbus Server ( Dafulai Electronics) /COMFault
Description
This block is only useful for Modbus RTU/ASCii server and Watchdog is read-write register and watchdog type is type 1 or 2.
For other situations, you cannot use this block, otherwise you will get error exception
Parameters
Please double click this block to open parameters dialog below:
Let us explain parameters.
| • | Object ID for multiple Modbus slave Simulator Hardware — In one PC, we may use multiple Modbus slave simulators, this is for identifying each one. |
| • | Which device? — This is useful for Modbus RTU/ASCii useful. it denotes which device we want to get COM fault. |
| • | Sample time — This is sample time. double data scalar type. -1 is inherited from model sample time. |
Ports
Input
None
Outport
| • | "logical" data type's scalar. true means Communication Fault. false means communication is normal. |