7.PMC DIAGNOSIS AND MAINTENANCE SCREENS ([PMC MAINTE]) B-63983EN/02
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7.7 I/O DIAGNOSIS SCREEN
The I/O diagnosis screen shows the status of I/O variables, which are
extracted from symbol data, and configuration of network and the
status of communication of I/O modules. The following items are
listed in this screen:
· The symbol and comment of the variable
· The status of the variable
· The address of the variable
· The type of I/O network device
· The type of I/O module of the network device
· The network address information of the network device
· The communication status of the network device
NOTE
Supported types of I/O network device are
PROFIBUS and I/O LINK.
There are two screens related to I/O diagnosis function.
1 The I/O diagnosis screen
The I/O variables are listed in this screen. You can check the
configuration of the I/O network devices and the status of the
communication with them.
You can select three ways of ordering the list by softkeys:
· Address order (Default)
The variables are displayed in the order of their actual
addresses.
· Symbol order
The variables are displayed in the alphabetical order of their
symbols.
· Network order
The variables are displayed in the order of their network
addresses. Only the variables actually associated with an
I/O network appear in this mode.
NOTE
“Symbol order” is available only in case of the
sequence program with extended symbol and
comment.
2 The setting screen
You can configure the I/O diagnosis screen at the setting screen