6. Programming Features
73
Communications/Multi-function Input Terminal Selection
(Setting: 18)
(This function is effective when option card is installed.)
Operation can be changed from communications commands, or from
multi-function input terminal or Digital Operator commands.
RUN commands from communications and the frequency reference are
effective when the multi-function input terminal for this setting is
closed.
RUN commands in LOCAL/REMOTE mode and the frequency refer-
ence are effective when the terminal is open.
Using Output Signals (n40)
The functions of multi-function output terminals MA and MB can be
changed as necessary by setting constants n40.
• Terminal MA and MB functions: Set to n40
Setting
Name
Description
Ref.
0
Fault
Closed when Inverter fault oc-
curs.
-
1
Operating
Closed when either FWD/REV
command is input or voltage is
output from the Inverter.
-
2
Frequency agree
Closed when the set frequency
agrees with Inverter output fre-
quency.
74
3
Zero speed
Closed when Inverter output fre-
quency is less than minimum out-
put frequency.
-
4
Frequency detection 1
Output frequency
≥
Frequency
Detection Level (n58)
59
5
Frequency detection 2
Output frequency
≤
Frequency
Detection Level (n58)
59
6
Overtorque detection,
NO contact output
-
57
7
Overtorque detection,
NC contact output
-
57
8, 9
Not used
Set to one of 8 or 9 if a terminal is
not used.
-
10
Minor fault
Closed when an alarm has been
detected.
-
