Mitsubishi Electric MELSEC-Q Series User Manual page 73

3 SPECIFICATIONS
3 - 38
(2) Cascade control and control mode
The cascade control function can only be used with the combination of the
following three control modes.
When the control modes are combined with other ones in the following table,
the cascade control is not performed even if Cascade ON/OFF (buffer memory
address: 176) is set to 1 (ON).
When control modes are combined with other control modes other than the
following three, each channel operates individually.
No.
1 Normal control mode
2 Manual control mode 1
Program control mode
3
*1: When the program control is reset, each cascade control cannot be
performed.
(3) Execution of cascade control
The following is the cascade control procedure.
During the cascade control, the cascade signal is monitored with Cascade
monitor (buffer memory address: 179).
POINT
• Auto tuning cannot be executed during cascade control. To execute auto tuning,
set Cascade ON/OFF (buffer memory address: 176) to 0 (OFF). The cascade
control stop status can be checked in Cascade monitor (buffer memory address:
179). (The value 0 indicates the stop status.)
• Auto tuning can be executed on the slave channel only.
Control mode
CH1
Normal control mode
Normal control mode
*1
Program control mode
MELSEC-Q
CH2
*1
3 - 38