Parameter Area - Siemens SIMATIC S7 Equipment Manual
Ultrasonic position encoding module
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Also See for SIMATIC S7:
- System manual (866 pages) ,
- Functional safety manual (212 pages) ,
- User manual (134 pages)
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4.2
Parameter Area
General
Data record 0
Channel-related
diagnostics, wire
break monitoring
SM 338 Equipment Manual
(4) J31069-D401-U1-A0-7618
The parameters required for presetting the SM 338 are stored in two data re-
cords in the 16-byte parameter area. This area can only be write-accessed by
the P bus. The data can also be modified during running operation (i.e., dy-
namically).
Note
All bits which are not defined in the following text are reserved and must be
"0".
Data record 0 consists of two bytes.
Data record 0 is used to enable the following functions.
The channel-related diagnostics and wire break monitoring
S
Alarms
S
The entries in byte 0 specify general enabling of channel-related diagnostics
and wire break monitoring for each sensor.
7
Byte 0
Diagnostics
These bits can be used to enable/disable generation of diagnostics (i.e., re-
porting of errors) for each position sensor.
Data Communication with the PLC
0
Channel-related diagnostics
Sensor 1
Sensor 2
Sensor 3
Sensor 4
Wire break monitoring
Sensor 1
Sensor 2
Sensor 3
Sensor 4
0: Disabled
1: Enabled
4-3
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