Instruction Manual
73
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Building Interface Circuits with External Devices
Multi-function input terminal S1 to S7 functions can be changed when necessary by
setting parameters n051 or n052 respectively. The same value cannot be set to different
parameter settings.
* Numbers 1 to 7 are displayed in corresponding to the terminal number S1 to S7 respectively.
Using input signals
Setting Name Description Ref.
0
FWD/REV run command
(3 wire sequence selection)
Setting enabled only for n052 74
1
Forward run
(2 wire sequence selection)
45
2
Reverse run
(2 wire sequence selection)
45
3 External fault (NO contact input)
Inverter stops by external fault signal input
Digital operator display is
.*
–
4 External fault (NC contact input) –
5Fault Reset
Resets the fault. Fault reset not
effective with the run signal ON.
50
6 Multi-step speed reference 1 50
7 Multi-step speed reference 2 50
8 Multi-step speed reference 3 50
9 Multi-step speed reference 4 50
10 JOG command 51
11 Accel/Decel time select 54
12
External baseblock
(NO contact input)
Motor coast to a stop by this
signal input.
Digital operator display is
–
13
External baseblock
(NC contact input)
–
14
Search command from
maximum frequency
Speed search
reference signal
63
15
Search command from
set frequency
63
16 Accel/decel hold command 64
17 LOCAL/REMOTE selection 46
18
Communication/control circuit
terminal selection
78
19
Emergency stop fault
(NO contact input)
Inverter stops by emergency stop signal input
according to stopping method selection (n005).
When frequency coasting to a stop (n005 is set
to 1) method is selected, inverter coasts to a
stop according to decel time setting 2 (n022).
Digital operator display is
(lit at fault, blinking at alarm).
–
20
Emergency stop alarm
(NO contact input)
–
21
Emergency stop fault
(NC contact input)
–
22
Emergency stop alarm
(NC contact input)
–
23 PID Control cancel 114
24 PID integral reset 114
26 Inverter overheat prediction OH3
“ “ (Blinking) is displayed on the
digital operator by signal input
25 PID intregal hold 114
34 UP/DOWN command
Setting enabled only for
n056 (terminal S7)
75
35 Self-test
Setting enabled only for
n056 (terminal S7)
114