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GUiDe
83
configurAtion
“Physical expansion” operating mode
For this operating mode configurator 1 must be inserted in the MOD position
of the interface.
The positions identified with I1 and I2
must not be configured.
The “
separation address” between the two buses connected to the
interface must instead be defined in positions I3 and I4.
Supposing as in the example that I3=3, I4=2:
- on the input bus (IN) the addresses must go from A=1 / PL=1 to A=3 /
PL=1;
- on the output bus (OUT) the addresses must go from A=3 / PL=3 to A=9
/PL=9 or to the address of the next interface.
As can be seen from the example, all the automation bus 1 addresses are
lower than that of the interface, while all the automation bus 2 addresses
are higher; the interface address thus separates all the addresses of which
the complete system may be made up into two or more blocks.
To position the devices in the global system, remember the indications of the
next page.
The commands can be entered indifferently in any stretch, independent of
the configuration.
I1
= -
I2
= -
I3
=
3
I4
=
2
MOD = 1
OUT
IN
I1
= -
I2
= -
I3
=
5
I4
=
4
MOD = 1
A/PL = 01 31
A/PL = 55 99
A/PL = 33 53
Control device
Actuator
Control
device
Actuator
Scenario
module
Example: physical expansion made connecting three systems with interfaces item F422
System No. 2
System No. 1
System No. 3
Control
device
