Main Loop Start
C
Start counting Main Loop
Scan Time
Error Down
Self Diagnosis | ERROR MODE |
OK
Read | STOP Position |
| |
| |
RUN/STOP |
|
Switch |
|
RUN Position
Update PLC mode from software
Hold Mode
Halt Mode
HOLD | Mode |
| check |
RUN Mode or Switch position change from Stop to RUN
If power On System | No |
| |
bit is ‘1’ |
|
Yes
Scan Local and expansion inputs
Turn On RUN Led
Clear non retentive PLC registers.
Execute
Initialize digital filter constant to
default 10 mSec.
Reset Power On system bit to ‘0’
B
Page 20
HALT MODE
HALT MODE
D
