Toshiba TOSVERT VF-MB1 Instruction Manual page 180

2) Types of PID control interface
Process value (frequency) and feedback value can be combined as follows for the PID control.
(1) Process value
PID control reference signal selection f389
0: fmod / f207 selected
1: Terminal board VIA
2: Terminal board VIB
3: fpid
4: RS485 communication
5: UP/DOWN from external logic input
6: CANopen communication
7: Communication option
8: Terminal board VIC
9, 10: -
11: Pulse train input
Note 1: About the setting of  f 389 : Do not select the same terminal that is used feedback terminal.
Note 2: When f389 is selected to 3, process value is set to fpid .
Be careful it is not value of fc setting. In case value that is set by setting dial is saved on fpid .
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Note 3: To make the inverter send out a signal that indicates whether the value of feedback agree with (or reaches)
the value of processing, assign the output terminal function 144 or 145 to an unassigned output terminal.
You can also specify a frequency agreement detection range ( f167 ). (Refer to 6.3.4)
3) Setting PID control
Set "  " (Process type PID control operation) in the parameter f360 (PID control) .
(1) Set parameters acc (acceleration time), and dec (deceleration time) to the system fitting values.
(2) Please set the following parameters to place limits to the setting value and the control value.
Placing a limit to the process value : The parameter f367 (Process upper limit), f368 (Process lower limit)
Placing a limit to the output frequency : The parameter ul (Upper limit frequency ), ll (Lower limit frequency )
Note 4: Assigning the PID control prohibition (input terminal function number: 36,37) to any logic input terminal, PID
control function is stopped during the terminal ON.
(2) Feedback value
PID control feedback signal selection 
0: Disabled
1: VIA
2: VIB
3: VIC
4 to 6: -
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