Beginners’ manual Series xx7│Document 26/835; Version E 2│22.04.2005
Saia-Burgess
Controls AG
Confi guring the input/output modules
Configuring I/O modules with the I/O Builder
3-9
3
Start-up tab
On the PCD1 and PCD2.M1x7 systems, the I/O Reset signal is set during start-up.
This means that OB100 cannot be used to access peripheral modules. On the PCD2.
M487 and the PCD3.M5x47, this signal is not set during start-up. With this tab, the
user can set the start-up behavior for the M487 and the PCD3 to be the same as the
older systems.
i
Further information on the start-up behavior of the PCD can be found in manual
“26/797 Integrated system functions Series xx7”, section 8.6 “Peripheral access in
OB100”.
3.4
Configuring digital input/output modules
The Properties window for digital input/output modules has two tabs: the General tab
and the Addresses tab.
i
Further information on the various digital input/output modules can be found in
manual “26/757 Hardware for Series PCD1 and PCD2”, section 5 “Digital input/output
modules”.
General tab
The General tab displays the name, the order number and the properties of the
selected module. No settings can be entered in this tab.
Addresses tab
The Addresses tab can be used to enter the module start address. The end address
is calculated automatically. If there are any address overlaps, the xx7 I/O Builder will
alert you to this and display the next valid address.
