3-20
Basic key operation
To check the status of the I/O signals, set function code E52 to "2" (Full-menu mode) beforehand.
(1) Turn the inverter ON. It automatically enters Running mode. In that mode, press the
key to
switch to Programming mode. The function selection menu appears.
(2) Use the
and keys to display "I/O Checking" (
KAQ
).
(3) Press the
key to proceed to a list of I/O check items (e.g.
A
).
(4) Use the
and keys to display the desired I/O check item, then press the key.
The corresponding I/O check data appears. For the item
A
or
A
, using the and
keys switches the display method between the segment display (for external signal information
in Table 3.17) and hexadecimal display (for I/O signal status in Table 3.18).
(5) Press the
key to return to a list of I/O check items. Press the key again to return to the
menu.
Table 3.16 I/O Check Items
LED monitor
shows:
Item Description
A
I/O signals on the control
circuit terminals
Shows the ON/OFF state of the digital I/O terminals.
Refer to " Displaying control I/O signal terminals
" on
the next page for details.
A
I/O signals on the control
circuit terminals under
communications control
Shows the ON/OFF state of the digital I/O terminals
that received a command via RS-485 and optional
communications. Refer to " Displaying control I/O
signal terminals" and " Displaying control I/O signal
terminals under communications control" on the
following pages for details.
A
Input voltage on terminal [12] Shows the input voltage on terminal [12] in volts (V).
A
Input current on terminal [C1] Shows the input current on terminal [C1] in
milliamperes (mA).
A
Output voltage to analog meters
[FM]
Shows the output voltage on terminal [FM] in volts (V).
A
Pulse rate of [FM] Shows the output pulse rate on terminal [FM] in pulses
per second (p/s).
A
Input voltage on terminal [C1] Shows the input voltage on terminal [C1] (V2 function
assigned) in volts (V).
A
Option control circuit terminal
(I/O)
Shows the ON/OFF state of the digital I/O terminals on
the digital I/O interface option. Refer to " Displaying
control I/O signal terminals on digital I/O interface
option" on page 3-22 for details.
A
PG pulse rate 1
(A/B phase)
Shows the PG pulse rate inputted when the PG
interface is installed.
Displayed value = Pulse rate (p/s) y 1000
A
PG pulse rate 1 (Z phase) Shows the pulse rate (p/s) in Z phase when the PG
interface is installed.
A
PG pulse rate 2
(A/B phase)
Shows the second PG pulse rate inputted when two
PG interfaces are installed.
Displayed value = Pulse rate (p/s) y 1000
A
PG pulse rate 2 (Z phase) Shows the second PG pulse rate (p/s) in Z phase
when two PG interfaces are installed.
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