Siemens SIMATIC S7-1200

Communication
11.3 PROFIBUS
S7-1200 Programmable controller
974 System Manual, V4.2, 09/2016, A5E02486680-AK
Table 11- 57 Parameters for the PROFIBUS address
Parameter
Description
Subnet Name of the Subnet to which the device is connected. Click the "Add new subnet" button to create a
new subnet. "Not connected" is the default. Two connection types are possible:
• The "Not connected" default provides a local connection.
• A subnet is required when your network has two or more devices.
Parameters
Address
Assigned PROFIBUS address for the device
Highest address The highest PROFIBUS address is based on the active stations on the
PROFIBUS (for example, DP master). Passive DP slaves independently
have PROFIBUS addresses from 1 to 125 even if the highest PROFIBUS
address is set to 15, for example. The highest PROFIBUS address is rele-
vant for token forwarding (forwarding of the send rights), and the token is
only forwarded to active stations. Specifying the highest PROFIBUS ad-
dress optimizes the bus.
Transmission rate Transmission rate of the configured PROFIBUS network: The PROFIBUS
transmission rates range from 9.6 Kbits/sec to 12 Mbits/sec. The transmis-
sion rate setting depends on the properties of the PROFIBUS nodes being
used. The transmission rate should not be greater than the rate supported
by the slowest node.
The transmission rate is normally set for the master on the PROFIBUS
network, with all DP slaves automatically using that same transmission rate
(auto-baud).
11.3.4
Distributed I/O instructions
Refer to "Distributed I/O (PROFINET, PROFIBUS, or AS-i)" (Page 384) for information on
how to use the distributed I/O instructions with these communication networks.
11.3.5
Diagnostic instructions
Refer to the "Diagnostics (PROFINET or PROFIBUS)": "Diagnostics instructions" (Page 439)
for information on how to use these instructions with these communication networks.
11.3.6
Diagnostic events for distributed
Refer to the "Diagnostics (PROFINET or PROFIBUS)": "Diagnostics events for distributed
I/O" (Page 486) for information on how to use this diagnostic information with these
communication networks.