Mitsubishi Electric Freqrol-A100 Instruction Manual page 156

Relationship between Deviation and Manipulated Value (Output Frequency)
Deviation
Reverse action
Forward action
4.8.2 Wiring Example
Inverter Pump
Forward rotation
Reverse rotation
I
Upper limit
Setting potentiometer
(Set value setting)
i
.
i
.
i
Deviation signa common
( O U T ) ( C O M ) ( Z ~ V )
I I I
4
i i i
(Process value)4 to 2omA
-J
i i
supply (Note
1)
L -
AClO
2001220V 50160Hz
4.8.3 Terminal Explanation
Terminal
Number
Terminal Name
(Note 3) RT
PI control selection terminal
2 Set value input terminal
1 Deviation signal input terminal
I
4
Process value input terminal
I
Upper limit output terminal
(Note 2) FU
Lower limit output terminal
I PF
Forward (reverse) rotation
direction output terminal
SE
I
Output signal common termina
Note 1 : Prepare the power
supply according to
the power supply
specifications of the
detector.
2: The output signals
of the output signal
terminals change ac-
cording to the set-
ting of Pr. 40
(output terminal as-
signment).
3:
During PI control,
this terminal does
not act to provide its
original second func-
tion selection capa-
bility.
Description
I
Remarks
I
Connect terminals RT and SD to
Set any of 10, 11, 20 and
exercise PI control. 21 in Pr. 128.
lnput the set value of PI control.
lnput an deviation signal calculated
Outputs a signal when the process
Set "8" in Pr. 40'.
value signal falls below the lower limit
(When Pr. 128=20,21)
value.
-
Outputs " H i h h e n the output display of
o
o
the parameter unit shows forward rota-
Set "5' in Pr. 40'.
IT
tion (FWD) or "Lo" when the display
(When
Pr.
128=10,
shows reverse rotation (REV) or stop 11, 20, 21)
8
{STOP).
Common terminal for terminals FU, OL,
IPF and SU
*Selection of the PI control changes the original functions of the above I10 terminals.