HEIDENHAIN TNC 426 PB/M Technical Manual page 1007

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Module 9071 Find the string length
The TNC ascertains the length of the string in a selectable string memory (S0
to S15).
Call:
PS K/B/W/D/S<String no. or string>
CM 9071
PL B/W/D <Length of the string>
Error recognition:
Marker Value Meaning
M4203 0 String length was ascertained
1 Error. See W1022
W1022 2 Invalid immediate strings, address of the source or
target string is out of range (0..7), string memory was
searched but no string end was found
HEIDENHAIN Technical Manual TNC 426, TNC 430