
6. Programming Features
69
Building Interface Circuits with External Devices
Using Input Signals
The functions of multi-function input terminals S2 to S5 can be changed
as necessary by setting constants n36 to n39. The same value cannot be
set for more than one of these constants.
Setting
Name
Description
Ref.
0
FWD/REV RUN command
(3-wire sequence selection)
Setting possible only for n37.
70
2
REVERSE RUN command
(2-wire sequence selection)
49
3
External fault,
NO contact input
Inverter stops for an external
fault signal input. Digital
Operator displays EF
*.
-
4
External fault,
NC contact input
-
5
Fault reset
Resets a fault. Fault reset
not effective when the RUN
signal is ON.
-
6
Multi-step speed reference 1
51
7
Multi-step speed reference 2
51
8
Multi-step speed reference 3
51
10
JOG command
52
11
Acceleration/deceleration
time selection
55
12
External baseblock,
NO contact input
Motor coasts to a stop for
this signal input. Digital
Operator displays
.
-
13
External baseblock,
NC contact input
-
14
SEARCH command from
maximum frequency
SPEED SEARCH command
signal
61
15
SEARCH command from set
frequency
61
16
ACCELERATION/
DECELERATION HOLD
command
62
17
LOCAL/REMOTE selection
48
18
Communications/control cir-
cuit terminal selection
73