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Chapter 4
4.2.11 External analog input setting (O, O2, and OI)
The inverter has the following three types of external analog input terminals:
O-L terminal: 0 to 10 V
OI-L terminal: 4 to 20 mA
O2-L terminal: -10 to 10 V
The table below lists the settings of the external analog input terminals.
Function
Item
Data
code
00
01
(02)
[AT]
A005
selection
(03)
(04)
00
01
[O2]
A006
selection
02
03
Note that whether frequency commands are input to the O2-L terminal and whether the motor operation is reversible
depend on the combination of settings of functions "A005" and "A006" and whether function "16" (AT) is assigned to
an intelligent input terminal as shown in the table below.
When the motor operation is reversible, the inverter operates the motor in a reverse direction if the sum of the
frequencies specified by the main frequency and auxiliary frequency commands is less than 0 (even when the forward
operation [FW] terminal is on). Even when no wire is connected to the 02 terminal, reverse operation of the motor
may occur and prolong the acceleration time if the output voltage fluctuates near 0 V.
A006
00,03
When the AT
function is
assigned to an
01
intelligent input
terminal
02
00
When the AT
01
function is not
assigned to any
02
intelligent input
terminal
03
Switching between the O and OI terminals
with the AT terminal
Switching between the O and O2
terminals with the AT terminal
(Valid only when the OPE-SR is used)
Switching between the O terminal and the
control with the AT terminal
(Valid only when the OPE-SR is used)
Switching between the OI terminal and
the control with the AT terminal
(Valid only when the OPE-SR is used)
Switching between the O2 terminal and
the control with the AT terminal
Using the O2 terminal independently
Using the O2 terminal for auxiliary frequency command (nonreversible) in addition to the O and OI
terminals
Using the O2 terminal for auxiliary frequency command (reversible) in addition to the O and OI
terminals
Disabling the O2 terminal
AT
A005
Main frequency command
terminal
OFF
00
ON
OFF
01
ON
00
OFF
(Example 1)
ON
OFF
01
ON
OFF
00
(Example 2)
ON
OFF
01
ON
－
－
Addition of signals on O-L and
－
－
Addition of signals on O-L and
－
－
Addition of signals on O-L and
－
－
Explanation of Functions
A005: [AT] selection
A006: [O2] selection
C001 to C008: Terminal [1] to [8] functions
Description
Turning on the AT terminal enables the OI-L terminal.
Turning on the AT terminal enables the O-L terminal.
Turning on the AT terminal enables the O2-L terminal.
Turning on the AT terminal enables the O-L terminal.
Turning on the AT terminal enables the pot on OPE-SR
Turning on the AT terminal enables the O-L terminal.
Turning on the AT terminal enables the pot on OPE-SR
Turning on the AT terminal enables the OI-L terminal.
Turning on the AT terminal enables the pot on OPE-SR
Turning on the AT terminal enables the O2-L terminal.
Whether to input an auxiliary
frequency command
(via the O2-L terminal)
O-L terminal
OI-L terminal
O-L terminal
O2-L terminal
O-L terminal
OI-L terminal
O-L terminal
O2-L terminal
O-L terminal
OI-L terminal
O-L terminal
O2-L terminal
O2-L terminal
OI-L terminals
OI-L terminals
OI-L terminals
4-12
Related code
terminal.
terminal.
terminal.
Reversible/
nonreversible
No input
No input
Nonreversible
No input
No input
Reversible
Input
Input
Nonreversible
Input
No input
Reversible
Input
Input
Reversible
Input
No input
No input
Reversible
Input
Nonreversible
Input
Reversible
No input
Nonreversible
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