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5.5 Base I/O Unit Input/Output Specifications
5.5.1 Rotary Switch (CS1 and CS2) Settings
Normal settings
CS1
0
CS2
1
The base I/O unit No. of occupied stations is two (when an add-on PCB is not used).
(Note) Also refer to "7.14 Setting of Channel No. When Using Multiple Remote I/O Units" for rotary
switch (CS1 and CS2) settings of the base I/O unit.
Relation between rotary switches and DI/DO connectors
CS1
DI: CF31, DO: CF33
CS2
DI: CF32, DO: CF34
Relation between rotary switches and device assignments
Setting
Station
value
No.
0
1
2
3
4
5
6
7
8
F
Cannot be used
~
Station No. settings of add-on PCBs
When using an add-on PCB, set the station No. using the rotary switch on the add-on PCB. This
rotary switch corresponds to connectors CR21 and CR22 of the add-on PCB.
The setting values, station Nos. and device assignments are as shown in the table above.
(Note) Refer to "5.1 Base I/O Unit Outline" for types of add-on PCBs.
One station is occupied when using RX331 (manual pulse generator) and RX341 (analog
input/output) also.
5.5.2 RIO1 Terminator
Connect a terminator to the final end of the remote I/O unit connected to the RIO1.
When not using any remote I/O unit, connect a terminator to the base I/O unit RIO1.
Terminator type: R-TM
Recommended manufacturer: Tyco Electronics AMP
X
D-3
5. Base I/O Unit Connection
5.5 Base I/O Unit Input/Output Specifications
Device assignment
DI
0
X00
X1F
Y00
~
1
X20
X3F
Y20
~
2
X40
X5F
Y40
~
3
X60
X7F
Y60
~
4
X80
X9F
Y80
~
5
XA0
XBF
YA0
~
6
XC0
XDF
YC0
~
7
XE0
XFF
YE0
~
AMP
No. of I/O
points (max)
DO
Y1F
32 points
~
Y3F
32 points
~
Y5F
32 points
~
Y7F
32 points
~
Y9F
32 points
~
YBF
32 points
~
YDF
32 points
~
YFF
32 points
~
38
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