Mitsubishi Electric FX5 User Manual page 221

■Operation Description
The content of the operation when ON and when OFF is as follows.
Operation when ON
The preset input operates with negative logic
• The timing to execute the preset is determined by the preset input logic and the preset control switch.
• These devices also operate when the FX3 compatible high-speed counter function is valid.
■Update timing
The timing of device update is as follows.
ON
• When ON by the user
• When set to negative logic with parameters
Cannot be modified while the high-speed counter is operating. Operates in the configured status when the
high-speed counter starts.
High-speed counter preset input comparison
These devices are used to specify whether or not to perform a comparison with the preset value when there is preset input.
■Corresponding devices
The device numbers corresponding to each channel are as follows.
CPU module
CH1 CH2
SM4612 SM4613
High-speed pulse input/output module
First module
CH9 CH10
SM4620 SM4621
■Operation Description
The content of the operation when ON and when OFF is as follows.
Operation when ON
Execute comparison processing with the preset value when there is preset
input
These devices also operate when the FX3 compatible high-speed counter function is valid.
CH3 CH4
SM4614 SM4615
Second module
CH11 CH12
SM4622 SM4623
Operation when OFF
The preset input operates with positive logic
OFF
• When OFF by the user
• When set to positive logic with parameters
CH5 CH6
SM4616 SM4617
Third module
CH13 CH14
SM4624 SM4625
Operation when OFF
Do not execute comparison processing when there is preset input
24 HIGH-SPEED INPUT/OUTPUT FUNCTION
24.1 High-speed Counter Function
CH7 CH8
SM4618 SM4619
Fourth module
CH15 CH16
SM4626 SM4627
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