Figure 2-2. Bus Interface Module Powerup Sequence - GE 90*-30 PLC Series User Manual

GFK-1322A

Figure 2-2. Bus Interface Module Powerup Sequence

Chapter 2 Operation
C l e a r R A M
C h e c k s u m
o n c o d e s p a c e
c o r r e c t?
N o
Y e s
T u r n o n
I N M S G a n d
O U T M S G L E D s
I n iti a l iz e P L C
b a c k p la n e
d r ive r
R e a d s t o r e d
ne t w o r k in te r fa c e
co n f ig u r a ti o n
S e t c o n fig u r a tio n
C o n fig u r a ti o n
to d e fa u lt v a lu e s
va lid ?
N o
Y e s
In it ia liz e L W
O N O R K S
ne t w o r k in te r fa c e
In iti aliz e d e f a ult d a ta
va l u e s a n d tim e o u t s
C o n f i g u r e P L C
r e f e r e n c e s p a c e
w h e n r e q u e s t e d
b y P L C
Tu r n of f t he I N M S G
a n d O U T M S G
L E D s
M a in l o o p
p r o c e s s in g
B o o t l o a d e r
2
2-5