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4. CPU MODULE
4.5.2 Setting of I/O control mode switching switch
There are a direct mode and a refresh mode in I/O control mode.
(1) When using the A1SJHCPU(S8) or the A1SHCPU
Use the DIP switch (SW1) to switch the I/O control mode.
Upon shipment, the direct mode (SW1 : ON) is set for both input and output.
(2) When using the A2SHCPU
Use the DIP switch (SW5) to switch the I/O control mode.
Upon shipment, the direct mode (SW5 : ON) is set for both input and output.
Both input and output are
in the direct mode
Both input and output are
in the refresh mode
Both input and output are
in the direct mode
Both input and output are
in the refresh mode
POINT
Make sure that the power supply is OFF before setting the I/O control switching
switch.
ON
OFF
1
5
2
3
4
ON
OFF
1
5
2
3
4