Data Exchange with the SM 335
3-12
SM 335 – High-Speed Analog Input/Output Module for the SIMATIC S7-300
6ES7 335-7HG00-8BA1
3.2.1
SM 335 default settings
Default settings
The analog input/output module has default settings. These default settings are
used when no parameters are set using the STEP 7 “HW Config” tool.
The defaults are listed in table 3-8.
Table 3-8
SM 335 Default Settings
Parameters
Default Setting for
Analog Inputs
Default Setting for Analog
Outputs
Cycle time *)
Free Cycle (equivalent to 0.5 ms
[SM 335 cycle time] setting)
Measuring method
U or I (4 DMU) as per measuring
range module setting (see
Table 1-1)
U
Measuring Range
with U: +/– 10 V
with I (4 DMU): 4 - 20 mA
+/– 10 V
Diagnostic interrupt *)
no
no
Hardware interrupt on
end-of-cycle
no
no
Group diagnostics
(= short-circuit test on ana-
log output)
no
no
Open-wire test
no
–
Response with CPU-STOP
–
OCV (output have no cur-
rent or voltage)
Number of active channels
4
4
*) Setting is valid for entire module.