Function Block: IoDrvModbusComPort

Library: IoDrvModbus

This block is generated for each serial Modbus Client in the device tree.

Table 9. Inputs (VAR_INPUT)

Name	Data Type	Initial Value	Description
`xStop`	`Bool`	`FALSE`	If `TRUE`, then each new request to the servers is stopped. If `FALSE`, the process continues.
`xAcknowledge`	`Bool`	`FALSE`	Immediately closes and opens the COM port for a rising edge

Table 10. Outputs (VAR_OUTPUT)

Name	Data Type	Initial Value	Description
`uiNumberOfCommunicatingSlaves`	`int`	`0`	Displays the number of communication servers
`xAllSlavesOk`	`Bool`	`FALSE`	`TRUE` if all servers communicate. `FALSE` if some servers have errors.

Name

Data Type

Initial Value

Description

uiNumberOfCommunicatingSlaves

int

0

Displays the number of communication servers

xAllSlavesOk

Bool

FALSE

TRUE if all servers communicate.

FALSE if some servers have errors.