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EX500 Serial System
4 -4 -3. Terminating resistance setting switch ( SW3 )
Set termination resistance.
Data Rate
57.6 k bit / sec. : 150Ω
115.2 k bit / sec. : 150Ω
230.4 k bit / sec. :
4 -5. Layout of scanner I/O
I/O mapping image at the Gateway (GW ) Unit communication port is shown in examples 1 and 2.
In this product, regardless of the quantity of the I/O equipment, continuous 4 Groups are automatically
occupied. ( 1/2 RACK occupation ).
Each communication port occupies all of 16 points in corresponding Group.
Ex.1 ) RACK Address = 0
Starting Quarter = First
Bit Number( decimal )
RACK0 Group0
RIO
RACK0 Group1
LOGICAL
RACK0 Group2
RACK0
RACK0 Group3
RACK0 Group4
RACK0 Group5
RACK0 Group6
RACK0 Group7
RACK1 Group0
RIO
RACK1 Group1
LOGICAL
RACK1 Group2
RACK1
RACK1 Group3
RACK1 Group4
RACK1 Group5
RACK1 Group6
RACK1 Group7
Ex.2 ) RACK Address = 1
Starting Quarter = Third
Bit Number( decimal )
RACK0 Group0
RIO
RACK0 Group1
LOGICAL
RACK0 Group2
RACK0
RACK0 Group3
RACK0 Group4
RACK0 Group5
RACK0 Group6
RACK0 Group7
RACK1 Group0
RIO
RACK1 Group1
LOGICAL
RACK1 Group2
RACK1
RACK1 Group3
RACK1 Group4
RACK1 Group5
RACK1 Group6
RACK1 Group7
82Ω
15
14
13
12
11
10
15
14
13
12
11
10
①150Ω
②82Ω
State of SW3
9
8
7
6
5
4
9
8
7
6
5
4
- 20 -
EX## - OME0008
③
No resistance
3
2
1
0
COM A occupied
COM B occupied
COM C occupied
COM D occupied
3
2
1
0
COM A occupied
COM B occupied
COM C occupied
COM D occupied
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