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B |
Write Program Memory
ID 06 count addr_high addr_low data1 data2 ...
Reply:
ID 06 count addr_high addr_low
ID | ± PLC ID number |
count | ± number of instruction words to write |
addr_high | ± High byte of address of the first instruction to write |
addr_low | ± Low byte of address of the first instruction to write |
dataN | ± Data to write |
Read Status
ID 07
Reply:
ID 07 stat_high stat_low pgm_siz_h pgm_siz_l mod0 mod1 ... mod13
ID | ± PLC ID number |
stat_high | ± High byte of status word |
stat_low | ± Low byte of status word |
pgm_siz_h | ± High byte of program size (in words) |
pgm_siz_l | ± Low byte of program size |
modN | ± Type of module in slot N. It may be: |
0± not installed
1± 24VDC Input 16 pts
2± 115VAC Relay Output 8 pts
Status Word:
bits 0 ± 7 are for fatal conditions (stopping the PLC) bits 8 ± 11 are for
bit 15 is informational
0memory is corrupted
1invalid program
2invalid instruction encountered
3(runtime error (such as Indirect Move to invalid address)
4 ± 6 | reserved |
7forced stop (PLC stopped by error or by programmer)
8I/Oproblem
9system timer malfunction
10 ± 14 | reserved |
15 | Program mode (1 if in Program mode) |
Micro PLC Programmer's Guide ± Aptil 1994 |