GE GFK-0804B Manuel D’Utilisation
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B
B-6
Micro PLC Programmer’s Guide – Aptil 1994
GFK-0804B
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 non-fatal conditions
bit 15 is informational
bits 8 – 11 are for non-fatal conditions
bit 15 is informational
0
memory is corrupted
1
invalid program
2 invalid
instruction
encountered
3
(runtime error (such as Indirect Move to invalid address)
4 – 6
reserved
7
forced stop (PLC stopped by error or by programmer)
8 I/O
problem
9
system timer malfunction
10 – 14
reserved
15
Program mode (1 if in Program mode)