4-6
Chapter 4
Safety function
■
STO monitor [dA-45] and
operator keypad status display
*1) Refer to the state transition diagram for the
conditions.
■
Error Display
*1) Refer to the state transition diagram for the
conditions.
■
Displaying on the operator keypad
STO monitor
[dA-45]
Display
Operator
keypad status
display
Condition
*1)
Description
00:Non
(no display)
<1>
Both ST1 and ST2 are ON (Allow operation) and the drive is enabled to
operate.
01:P-1A
P-1A
<2>
ST2 only becomes OFF (STO) while ST1 remains ON (Allow operation) from
the status where both ST1 and ST2 are ON (Allow operation).
02:P-2A
P-2A
<3>
ST1 only becomes OFF (STO) while ST2 remains ON (Allow operation) from
the status where both ST1 and ST2 are ON (Allow operation).
03:P-1b
P-1b
<5>
(1)
Status P-1A or P-1C continues for the time defined by the parameter
[bd-02].
(2)
Only ST2 becomes OFF (STO) and then ON (Allow operation) while ST1
remains ON (Allow operation) from the status where both ST1 and ST2
are ON (Allow operation)
04:P-2b
P-2b
<6>
(1)
Status P-2A or P-2C continues for the time defined by the parameter
[bd-02].
(2)
Only ST1 becomes OFF (STO) and then ON (Allow operation) while ST2
remains ON (Allow operation) from the status where both ST1 and ST2
are ON (Allow operation)
05:P-1C
P-1C
<7>
Only ST2 becomes ON (Allow operation) while ST1 remains OFF (STO) from
the status where both ST1 and ST2 are OFF (STO).
06:P-2C
P-2C
<8>
Only ST1 becomes ON (Allow operation) while ST2 remains OFF (STO) from
the status where both ST1 and ST2 are OFF (STO).
07:STO
STO
<4>
Both ST1 and ST2 are OFF (STO)
Item
Code
Condition
*1)
Description
STO shut off error
[E090]
<9>
In case of [bd-01] = 02, both ST1 and ST2 are OFF (STO).
STO internal error
[E091]
<10>
Internal failure is detected
STO path 1 error
[E092]
<11>
In case of [bd-04] = 02, and in the status of [P-1b]
STO path 2 error
[E093]
<12>
In case of [bd-04] = 02, and in the status of [P-2b]
Return
----
50.00Hz
oFW
TRIP
M1
H07
Occurring Trip
STO Active Error
E090 15/12/24 23:33
Out Freq : 33.33Hz
Current : 37.70A
PN voltage : 274.1Vdc
Status1 : Run
NRDY
STO
Operator keypad status display
Error Display
