8 – 40 HEIDENHAIN Technical Manual TNC 426, TNC 430
Module 9112 Transmit ASCII characters via data interface
You must first assign the interface to the PLC and initialize it with Module
9100. Module 9112 transmits a single ASCII character.
Can only be called in a submit job or spawn job!
Call:
PS B/W/D/K <Interface>
0: RS232
1: RS422
PS
<ASCII code [0 to 255]>
CM 9112
Error recognition:
Note
Set MP5030.2 = 2 so that the transmitted characters do not disturb the set
protocol procedure.
Define the characters in at least one word so that the values to 255 can be
recognized.
Marker Value Meaning
M4203 0 Character was transmitted
1 Error code in W1022
W1022 1 Incorrect interface
13 Interface not ready or no connection
14 Interface not assigned
15 Transmit buffer not empty
20 Module was not called in a spawn job or submit job
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