Siemens M7-400 Benutzerhandbuch
Digital Modules
4-90
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Changing Fuses
!
Warning
This can result in injury.
If you change a fuse without removing the front connector of the module, you could
be injured by an electric shock.
be injured by an electric shock.
Consequently, always remove the front connector before you change the fuse.
4.23.1
Assigning Parameters to the SM 422; DO 16
20-120 VAC/2 A
Parameter Assignment
You will find a description of the general procedure for assigning parameters to
digital modules in Section 5.7.
digital modules in Section 5.7.
Parameters of the SM 422; DO 16
20-120 VAC/2 A
You will find an overview of the parameters you can set and their default settings
for the SM 422; DO 16
for the SM 422; DO 16
20-120 VAC/2 A in the following table.
Table 4-20 Parameters of the SM 422; DO 16
20-120 VAC/2 A
Parameter
Value Range
Default
2)
Parameter
Type
Scope
Enable
•
Diagnostic interrupt
1)
Yes/no
No
Dynamic
Module
•
Destination CPU for
interrupt
interrupt
1 to 4
–
Static
Module
Reaction to CPU STOP
Substitute a value (SV)
Keep last value (KLV)
Keep last value (KLV)
SV
Dynamic
Module
Diagnostics
•
Fuse blown
Yes/no
No
Static
Channel
Enable substitute value
“1”
“1”
Yes/no
No
Dynamic
Channel
1)
If you use the module in ER-1/ER-2, you must set this parameter to “No” because the interrupt lines are
not available in ER-1/ER-2.
not available in ER-1/ER-2.
2)
Only in the CC (central controller) is it possible to start up the digital modules with the default settings.