Siemens S7-300 Installation And Operating Manual page 98

Digital modules
8.3 SM 326; DI 24 x DC 24V
Assignable parameters for application 6
Table 8- 7
Parameters
"Parameters" tab
Mode of operation
F parameter:
F monitoring time
Module parameters:
Diagnostic interrupt
Module parameters for a power supply group:
Internal sensor supply
of the module
Short-circuit test
For single channels or channel pairs:
activated
Evaluation of the
sensors
Type of sensor
interconnection
Discrepancy behavior
Discrepancy time
"Redundancy" tab
Redundancy
Redundant module
Discrepancy time
* Vs does not clock, if the short-circuit test is deactivated.
98
Parameters for application 6 of SM 326; DI 24 x DC 24V
Range of values in safety mode
Safety mode
10 ms to 10000 ms
activated/deactivated
activated/deactivated
activated/deactivated * (only if "Sensor
Supply via Module" is activated)
activated/deactivated
1oo2 evaluation
Two-channel, equivalent

Two-channel, nonequivalent

Single-channel

(only two-channel)
"Provide last valid value"

Provide 0 value

10 ms to 30000 ms (only for two-
channel)
2 modules
(selection of an existing additional
module of the same type)
10 ms to 30000 ms
Type
Static
Static
Static
Static
Static
Static
Static
Static
Static
Static
Static
Static
Static
Installation and Operating Manual, 01/2010, A5E00085586-10
Effective range
Module
Module
Module
Power supply group
Power supply group
Channel pair
Channel pair
Channel pair
Channel pair
Channel pair
Module
redundant module
pair
redundant module
pair
Fail-safe signal modules