Sanken SVCO6, Инструкция по эксплуатации, Страница: 219 / 326

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7-3 Description of Functions
● When set F3201=5, the switch will be carried out automatically through PID1 and PID2 controls set by F3207.
The control will start from PID1 control, when setting time is reached, it will switch to PID2 control.
In PID2 control, if RPID1 signal is connected, it will return to PID1 control again.
If RPID1 signal is OFF, the timer for timing switch will continue to count and carry out the same action.
Note 1: During stop, the timer for timing switch will stop (hold). When power is OFF, the time on the timer will also be
recorded.
Note 2: After startup of the timer for timing switch, the timer will work.
Note 3: During operation of the timer for timing switch, when the settings of F3207 are changed, they will be switched into
changes.
The followings are examples of actions
PID1 control PID2 control PID1 control PID2 control
【
External Terminal Switching PID Control
】
The external terminal switching PID control is the function to coordinate various PID controls and system status, and
then make a switch through the external terminals. It can be applied in the following systems.
⑴
When the motor load is changed and the controls in the same PID control are difficult.
⑵
When switching motor or load according to the status of the system.
Each PID control is selected by the selection of function code or external multi-function input terminal signal
(DI1
-
DI8).
Use inverter as the component of the PID controller, this can control the external peripheral devices.
● Use the following function codes and external multi-function input terminal signals (DI1
-
DI8).
PID control action selection
·F3201=4: external terminal switching PID control
PIDH/PIDL Signal: PID switching terminal
With the status of the two terminals, the PID control will be switched as follows.
External multi-function input terminal signal (DI1 - DI8)
=86 : PIDH =85 : PIDL PID switching terminal
OFF OFF Open loop control
OFF ON PID1 control
ON ON PID2 control
ON OFF Open loop control
Note: When switching the PID control through external terminals, the PID control output may change rapidly
according to the system control status; there may also be the protective actions for over-current, over-voltage and
so on.
When adjusting switching time and each PID control parameter, please make an adjustment upon fully
consideration of the changes to the actions of the control system.
Timing switch
timer
Stop
Operation
signal
PID control
status