4 -4 -1. operation setting switch ( sw1 ), 4 -4 -2. operation setting switch ( sw2 ) – SMC Networks EX500 User Manual
Page 20
EX500 Serial System
EX## - OME0008
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4 -4 -1. Operation setting switch ( SW1 )
This switch sets RACK Address / Starting Quarter.
( 1 ) RACK Address ( 6 bit setting )
0 to 74 ( OCT : octal number ) 61 types
of setting are available.
( 2 ) Starting Quarter ( 2 bit setting )
Three types of setting
( First, Second, Third )
are available.
4 -4 -2. Operation setting switch ( SW2 )
( 1 ) Last RACK ( 1 bit setting )
With Last RACK, the switch is set as “ 1 ” ( ON ).
( 2 ) Data Rate ( 2 bit setting )
Set data communication rate.
57.6 k bit / sec. : 00
115.2 k bit / sec. : 01
230.4 k bit / sec. : 1X
( 3 ) Mode ( 1 bit setting )
Setting
Operation
0
Clear
If “ 0 ” ( OFF ) set , output status is cleared and held temporarily when Remote I/O ( RIO )
has communication error.
When returned to normal signal, the communication will automatically be recovered.
1
Hold
If “ 1 ” ( ON ) set , operation held temporarily holding the last normal output signal when
Remote I/O ( RIO ) has communication error.
When returned to normal signal, the communication will automatically be recovered.
Data Rate
( 2bit )
SW2
Last RACK ( 1bit )
Mode ( 1bit )
OFF ( 0 )
ON ( 1 )
1
2
3
4
ON
SW2 NO.
1
2
3
4
Last
RACK
NO
0
YES
1
Data Rate 57.6 k bit / sec.
0
0
115.2 k bit / sec.
0
1
230.4 k bit / sec.
1
X
Mode
Clear
0
Hold
1
OFF ( 0 )
ON ( 1 )
SW1
RACK Address ( 6bit )
EX.)
111100b→74o
Starting Quarter ( 2bit )
01→ Second
1
2
3
4
5
6
7
8
ON
SW1
NO.
1
2
3
4
5
6
7
8
32 16
8
4
2
1
0
0
0
0
0
0
0
1
0
0
0
0
0
1
RACK
2
0
0
0
0
1
0
Address
|
73 1
1
1
0
1
1
74 1
1
1
1
0
0
First
0
0
Starting
Second
0
1
Quarter
Third
1
0
Fourth
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