Siemens Simatic CFU User Manual

Step Function in commissioning wizard
5 CFU PA: Configure type of field devices on PROFIBUS PA (FB<n>)
● Selection of how a connected PROFIBUS PA device is to behave:
- Profile (recommended)
- Manufacturer-specific device description
You can find additional information on this in section "CFU PA: Configuring a PROFIBUS PA field device
(offline) (Page 88)".
● Assigning/changing field device names
● Information on field devices
● Select the desired field device profile in the "Change IO to ..." drop-down list.
● Lock/freeze function
Prevents unintentional changes to the configuration in the CFU.
● Display of an active service port:
Note: If a fieldbus connection is configured as a service port, the port designation changes from "FBx" to "FBx
--> FBy".
6 CFU PA: Configure extended diagnostic options for PROFIBUS PA
Extended fieldbus diagnostics
● Voltage monitoring for the fieldbus connection (Min alarm)
Fixed low alarm limit for each fieldbus connection.
● Voltage monitoring for the fieldbus connection (Min warning)
User-defined warning limit for each fieldbus connection.
● Spur line current deviation (valid for all fieldbus connections):
Permissible percentage deviation from the set reference current value
● Reference current value
Set a reference current value corresponding to the technical specifications of the field device after
commissioning.
7 Commissioning overview
Shows the status of the CFU and of the connected components:
● Commissioning status
● Electronic temperature (EBTM - Electronic Board Temperature Monitoring)
● Power supply X80/X81
● CFU DIQ: Freely configurable channels (DIQ0 to DIQ15)
● CFU PA: Freely configurable channels (DIQ0 to DIQ7)
● CFU PA: Fieldbus connections FB0 to FB7
8.5.3 CFU PA: "Commissioning Wizard: Only add/remove/replace field devices"
If you click the "Commissioning Wizard: Only add/remove/replace field devices" button, you go
directly to step 4/6 of the commissioning wizard.
Simplified commissioning of connected field devices
You can find information on this in section "CFU PA: Simplified commissioning of connected
field devices (Page 101)".
Commissioning
8.5 CFU: Configuring with PDM
SIMATIC CFU
Commissioning Manual, 08/2019, A5E39252870-AD 75

Siemens Simatic CFU Specifications

General

Brand	Siemens
Model	Simatic CFU
Category	I/O Systems
Language	English