Toshiba TOSVERT VF-nC3 Instruction Manual page 41

Power circuit
Terminal symbol
R/L1,S/L2,T/L3
U/T1,V/T2,W/T3
PC/-
2
PO, PA/+
The arrangement of power circuit terminals are different from each range.
Refer to 1.3.2.1).
2.3.2
The control circuit terminal board is common to all equipment.
Regarding to the function and specification of each terminal, please refer to the following table.
Refer to 1.3.2.3) about the arrangement of control circuit terminals.
Control circuit terminals
Terminal Input /
symbol output
F Input
R Input
S1 Input
S2 Input
Grounding terminal for connecting inverter. There are 3 terminals in total.
120V class: single-phase 100 to 120V-50/60Hz
240V class: single-phase 200 to 240V-50/60Hz
three-phase 200 to 240V-50/60Hz
* Single-phase input: R/L1 and S/L2 terminals
Connect to a (three-phase induction) motor.
This is a negative potential terminal in the internal DC main circuit. DC common power
can be input across the PA terminals (positive potential).
Terminals for connecting a DC reactor (DCL: optional e11xternal device). Shorted by a
short bar when shipped from the factory. Before installing DCL, remove the short bar.
1-phase 100V models cannot be used with DC reactors.
Control circuit terminals
Function
Shorting across F-CC causes
forward rotation; open causes slow-
down and stop. (When ST is always
ON)
3 different functions can be
assigned.
Shorting across R-CC causes
reverse rotation; open causes slow-
down and stop. (When ST is always
ON)
3 different functions can be
assigned.
Shorting across S1-CC causes
preset speed operation.
2 different functions can be
assigned.
Shorting across S2-CC causes
preset speed operation.
2 different functions can be
assigned.
Terminal function
Electrical
specifications
No voltage
contact input
24Vdc-5mA or less
S1
*Sink/Source
S2
selectable using
CC
parameter 
B-6
E6581595
Inverter internal circuits
+24V
2.2k
F
470
R
2.2k
Sink
Source