3.175 EDH0162En1040 – 06/99
MM4005 XM — Read available memory
Usage IMM PGM MIP
Syntax xxXM
Parameters
Description xx
[int] — Program number.
Range xx — 0 to 127.
Units xx
— None.
Defaults xx Missing: 0.
Out of range: Error F.
Description If xx = 0 or missing this command reads the amount of unused program
memory. The controller has 30720 bytes of non-volatile memory available
for permanently storing programs. This command reports the amount not
used.
If
xx ≥1 and xx ≤127 this command reports the length of the program num-
ber xx. If the returned value is 0, the program does not exist.
NOTE
The controller is saving programs in their original format, thus using one
byte per character.
Returns xxXMnn
nn
— Returned value, in bytes.
Errors S — Communication time-out.
Rel. Commands LP — List program.
MP — Download EEPROM to RAM.
SM — Save program.
XX — Erase program.
Example XM | Read available program memory.
XM29873
| Controller returns 29873 bytes of available program memory.
1XM | Read the length of the program number #1.
1XM15
| The length of program #1 is 15 bytes.
100XM | Read the length of the program number #100.
100XM0
| The program #100 does not exist.
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