Instruction manual
6. Programming Features
65
 Setting Operation Conditions
 Reverse Run Prohibit (n006)
The Reverse Run Prohibit setting disables accepting a reverse RUN 
command from the control circuit terminal or Digital Operator. This set-
ting is used for applications where a reverse RUN command can cause 
problems.
 Multi-step Speed Selection
Up to 16 speed steps can be set using the following combinations of fre-
quency reference and input terminal selections.
Setting Description
0 Reverse run enabled.
1 Reverse run disabled.
8-step speed change
n003=1 (Operation mode selection)
n004=1 (Frequency reference selection)
n024=25.0 Hz (Frequency reference 1)
n025=30.0 Hz (Frequency reference 2)
n026=35.0 Hz (Frequency reference 3)
n027=40.0 Hz (Frequency reference 4)
n028=45.0 Hz (Frequency reference 5)
n029=50.0 Hz (Frequency reference 6)
n030=55.0 Hz (Frequency reference 7)
n031=60.0 Hz (Frequency reference 8)
n054=6 (Multi-function contact input terminal S5)
n055=7 (Multi-function contact input terminal S6)
n056=8 (Multi-function contact input terminal S7)
n053=1
When all multi-function
reference inputs are OFF, the
frequency reference selected
by constant n004 (Frequency
Reference Selection) becomes
effective.
NOTE
S1
S2
S5
S6
S7
S3
S4
SC
FWD
RUN/STOP
REV RUN/STOP
EXTERNAL FAULT
FAULT RESET
MULTI-STEP
SPEED REF 1
MULTI-STEP
SPEED REF 2
MULTI-STEP
SPEED REF 3
* For more information on how to 
select the sequence voltage and the 
current input, refer to page 188.










