36
Unit Functions
Section 3-2
3-2
Unit Functions
The following table lists the PROFIBUS Communication Unit’s functions.
3-2-1
Table Registration Function
Function Overview
This function registers the configuration of the SmartSlice I/O Units connected
to the PROFIBUS Communication Unit in a table within the Unit, to allow the
registered I/O table to be compared automatically with the actual configuration
each time the power is turned ON. The configuration is registered by turning
ON (OFF to ON) DIP switch 1 of the PROFIBUS Communication Unit while
the SmartSlice I/O Units’ power supply is ON. The registered table is enabled
if DIP switch 1 is ON when the power is turned ON. If DIP switch 1 is OFF
when the power is turned ON, the registered table is disabled and the Com-
munication Unit will automatically detect the actual I/O configuration and start
communication.
Creating a New
Registration Table
The SmartSlice I/O System’s actual I/O configuration can be read and regis-
tered in the table just by turning DIP switch pin 1 (REGS) from OFF to ON
while the PROFIBUS Communication Unit’s power supply is ON. If the regis-
tration table is being refreshed, the old registration table will be erased.
Note
The configuration information records the order that the SmartSlice I/O Units
are connected and the I/O size (input or output, number of bits) of each
SmartSlice I/O Unit. The I/O Unit model numbers are not recorded.
Function name
Summary
Setting/monitoring method
Table registration
Reads the configuration of the SmartSlice I/O Units connected to
the Communication Unit and registers that information in a table.
Set with DIP switch.
Backup
Records the parameter data of all connected I/O Units in the Com-
munication Unit.
Set with DIP switch.
Automatic restore
Automatically downloads the backed-up parameter data to the
appropriate Unit.
Set with DIP switch.
Online replacement
I/O Units can be replaced without turning the power OFF.
No setting required.
I/O communication
error history
A history of communication errors with connected I/O Units can be
collected in the Communication Unit.
Set/read with Configurator or
explicit message.
Power ON
Turn pin 1 from
OFF to ON with
the power ON.
Registration table
Reads the configuration information, creates
the registration table, and records the table.
4
contact
inputs
PROFIBUS
Communications
Unit
Figure 1
#1
#2
#3
#4
4
contact
inputs
4
contact
outputs
2
relay
outputs
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