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ModbusTCP_ReadExceptionStatus
ModbusTCP_ReadExceptionStatus
Header: |
STD.h
|
Namespace: |
fil |
Module: |
FoundationLite |
Function Code 07. Attempts to read Exception Status
Syntax
void fil::ModbusTCP_ReadExceptionStatus
(
const fil::SocketId& inSocket,
const ftl::Optional<int>& inTimeout,
int inUnitID,
int& outStatus
)
Parameters
|
Name |
Type |
Range |
Default |
Description |
|
inSocket |
const SocketId& |
|
|
Connected socket ID on port 502. |
|
inTimeout |
const Optional<int>& |
10 - |
NIL |
Timeout in milliseconds, block if not specified. |
|
inUnitID |
int |
0 - 255 |
1 |
Default is 1 |
|
outStatus |
int& |
|
|
|
Errors
List of possible exceptions:
Error type |
Description |
IoError |
Received message length is too short. |