
2. 15i SERIES HARDWARE
B–63785EN/01
210
One or two expansion modules can be left unconnected, as shown below,
by setting the rotary switch on the expansion module accordingly.
Expansion modules 1 and 2
are not connected.
Basic module
Expansion module 1
Expansion module 2
Expansion module 3
Basic module
Expansion module 1
Expansion module 2
Expansion module 3
Basic module
Expansion module 1
Expansion module 2
Expansion module 3
Expansion module 1
is not connected.
Expansion module 2
is not connected.
Setting position and setting procedure
An expansion module has a rotary switch, as illustrated below. To change
the setting, turn the rotary switch using a standard screwdriver with a
blade tip about 2.5 mm wide.
The rotary switch has the following settings:
Setting Reading Description
0 0 Factory–set standard setting. All expansion modules are
connected.
1 — Setting indicating that a preceding expansion module is
not connected. Select this setting on an expansion mod-
ule after one unconnected expansion module.
2 2 Setting indicating that two preceding expansion modules
are not connected. Select this setting on an expansion
module after two unconnected expansion modules.
3 — Inhibited setting
4 to F 4, —, 6, —,
8, —, A, —,
C. —, E, —,
Setting 4, 8, or C is the same as setting 0.
Setting 5, 9, or D is the same as setting 1.
Setting 6, A, or E is the same as setting 2.
Setting 7, B, or F is the same as setting 3.
(Inhibited setting)
2.16
DISTRIBUTED I/O
SETTING