Communication via Function Blocks
6.5 Using the System Function Blocks with the ASCII Driver
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
160 Manual, 09/2008, A5E02191071-01
6.5 Using the System Function Blocks with the ASCII Driver
6.5.1 Function blocks with ASCII driver
The same functions can be used for data transmission with the ASCII driver as with the
3964(R) procedure. In other words, all information for the FB P_SND_RK and
FB P_RCV_RK function blocks for the 3964(R) procedure also applies to the ASCII driver.
In addition, when the ASCII driver is used with the RS 232C interface submodule, you can
read and control the RS 232C secondary signals. The following describes only what you
have to do to use these additional functions.
The following function blocks are available for "reading and controlling" the RS 232C
accompanying signals:
● FC 5 V24_STAT for checking the interface status
● FC 6 V24_SET for setting/resetting the interface outputs
Note
For the CP 341, you can use only the FC 5 V24_STAT and FC 6 V24_SET functions with
version ≥ 2.0. Use of Version 1.0 can result in data corruption.
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