Siemens SIPROTEC PROFINET IO User Manual

2 PROFINET IO in SIPROTEC
2.3 Data-Type Definitions for IO Data Exchange
22 SIPROTEC 4, Communication Module PROFINET IO, Communication Profile
C53000-L1840-C360-1, Edition 08.2012
2.3.2 Data Type Single Command (SC, Output)
Number of byte values: 1/4 (2 bits)
Range of values:
0 = idle state bit 1 = 0 and bit 0 = 0
1 = OFF bit 1 = 0 and bit 0 = 1
2 = ON bit 1 = 1 and bit 0 = 0
3 = not allowed bit 1 = 1 and bit 0 = 1
Figure 2-6 Data Type: Single Command
NOTE
Single commands of the SIPROTEC device are controlled via PROFINET IO using 2 bits (analogous to double
commands, see Chapter 2.3.3).
The switching direction OFF for single commands with pulse output is not permitted and is rejected in the
SIPROTEC device.
2
0
2
7
to 2
4
2
3
2
2
2
1
...
Bit 0 Bit 0Bit 1Bit 1
SC 1SC 2
4 single commands max. per byte
... ...
com_profinet-io_profile_us.book Page 22 Friday, August 17, 2012 1:40 PM

Siemens SIPROTEC PROFINET IO Specifications

General

Brand	Siemens
Model	SIPROTEC PROFINET IO
Category	Control Unit
Language	English