The following parts are supervised:
• Interruption in relay coil
• Short circuit of relay coil
• Driver failure
M
C
U
Reset
CAN-
driver
Code-
flash
P
r
o
c
e
s
s
c
o
n
n
e
c
t
o
r
P
r
o
c
e
s
s
c
o
n
n
e
c
t
o
r
B
a
c
k
p
l
a
n
e
c
o
n
n
e
c
t
o
r
DC/DC
Internal_fail_n
AC_fail_n
RCAN_ID
Sync
Drive &
Read back
Drive &
Read back
Drive &
Read back
en07000115.vsd
Drive &
Read back
Drive &
Read back
Drive &
Read back
Drive &
Read back
Drive &
Read back
Drive &
Read back
Drive &
Read back
Drive &
Read back
Drive &
Read back
IEC07000115 V1 EN
Figure 524: Block diagram of the static output module
1MRK505222-UUS C Section 19
IED hardware
1107
Technical reference manual