Siemens S7-300 - Application 1: Standard Mode

Digital modules
8.3 SM 326; DI 24 x DC 24V
Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
83
8.3.3 Application 1 : Standard Mode
Introduction
Below are the wiring scheme and the parameter assignment of SM 326; DI 24 x DC 24V for
application 1: Standard mode
Diagnostic messages, possible causes of the problem and their corrective measures are
found in tables in the chapter "Diagnostic messages of SM 326; DI 24 x DC 24V (Page 99)".
Wiring diagram of application 1 with single-channel connection of a one sensor
A sensor is wired to a single channel for each process signal. The sensors can also be
connected to an external sensor supply.
/
0
',
9V
60
',['&9
Figure 8-7 Wiring scheme of the SM 326; DI 24 x DC 24V for application 1 – one sensor single-
channel connection
Assignable parameters for application 1
Table 8- 2 Parameters for application 1 of SM 326; DI 24 x DC 24V
Parameters Range of values in standard mode Type Effective range
"Parameters" tab
Mode of operation Standard mode static module
Module parameters:
Diagnostic interrupt activated/deactivated static module
Module parameters for a power supply group:
Internal sensor supply
of the module
activated/deactivated static Power supply group
Short-circuit test activated/deactivated * (only if "Sensor
Supply via Module" is activated)
static Power supply group
For single channels or channel pairs:
activated activated/deactivated static channel
* Vs does not clock, if the short-circuit test is deactivated.