Hitachi S10mini D, Hardware Manual

Page: 39 / 132

3 NAMES AND FUNCTIONS OF PARTS
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No. Name Function
①
Station number setting switches Each sets a station number. Set the first two digits of the I/O number as follows:
higher-order digit using the U-switch and low-order digit using the L-switch.
②
Input/output point count setting Selects the number of input/output points occupied by one slot on the mount base (16,
32, 64, or 128).
③
FIX/FREE setting Defines the partition of the mount base as free or fixed.
④
Output holding Selects one of the output states RESET or HOLD which the output modules enters when
the remote I/O line is broken.
⑤
RI/O line input Used to connect the remote I/O cable defined as upper level.
⑥
RI/O line branching Used to connect the remote I/O cable defined as lower level.
⑦
Terminating resistor setting
Terminates the station module through a built-in terminating resistance (100
Ω
or 150
Ω
)
when the station module is connected as the last module on the remote I/O line. When
using a non-specified remote I/O cable, see “5.6.3 Setting terminating resistors.”
⑧
Frame ground Connects the remote I/O cable to the FG terminal on the mount base to ground the cable.
• For details of the settings, see “6 SETTINGS.”
• For details of connection, see “5 WIRING.”