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6.8.6 Protective functions
6.8.6.1 Alarm display list
Mounting this option card adds the standard protection functions as well as the following protection
functions.
Item Content Display
Related
code
Encoder error 1 ABS encoder position detection data error. (Serial communications are carried
out normally.)
As an alarm release method, resupply the power.
et1
Encoder
communications error
The operation is performed when serial communications with the ABS
encoder cannot be established.
The operation is performed when communications cannot be established
between the option card and the inverter.
ec
Operation procedure
error
The operation is performed when two or more communications options are
mounted.
With SPGT mounted, installing SPGT on the A-port side (CN3 side) activates
the operation.
er6
6.8.6.2 Actions to be taken for alarms
Item Possible cause Action to be taken
Data received from the encoder is
wrong.
Use shielded wire to prevent being affected by noise.
Eet1
The encoder has been broken. Replace the encoder.
Communications with the encoder
are interrupted.
Disconnection or poor connection of
encoder cable
・Visually check the encoder cable and check the disconnection status.
・Check the encoder model.
・Check that the encoder terminating resistance (220, 1/4W) has been installed.
・Check that the option card power connector is connected appropriately.
・Insert the ferrite core.
ec
Inappropriate installation of the
option card
・Check the installation of the option card and the length of the spacer.
Combinations of options that cannot
be mounted at the same time.
・Remove option cards, if any, that cannot be mounted at the same time.
er6
SPGT is mounted on the A-port side
(CN3 side).
・Check and correct the mounting place of SPGT.
・Mount SPGT on the B-port side (CN2 side).
6.8.7 Check function
6.8.7.1 Option mounting check
Checking for mounting of the SPGT option can be checked on the
keypad.
Move from the operation mode screen to the program menu screen,
and select "4. I/O check" with the
/ key to switch the screen.
As shown at right, screen 9 is available to check for mounting of it.
For details, refer to the keypad operation procedure.
If the SPGT card has been mounted, the screen is displayed as shown at right.
ＯＰＴＩＯＮ
Ａ：
Ｂ：ＶＧ１－ＳＰＧＴ
Ｃ：
∧∨ÆＰＡＧＥ ＳＨＩＦＴ ９
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