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9. APPENDIX
9.4 Ready bit status selection (Pr.349, N240)
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9.4 Ready bit status selection (Pr.349, N240)
To select the error reset operation at inverter failure
• The status of Ready bit in communication data can be selected when a communication option (FR-A8ND, FR-A8NF, or
FR-A8NL) is installed.
• An error reset command from a communication option can be invalidated in the External operation mode or the PU
operation mode.
• The status of Ready bit is selectable.
*1 The setting is available only when a communication option is installed.
Ready bit status selection (P.N240)
The status of Ready bit in communication data can be selected.
*1 When either the external 24 V power supply or the control circuit power supply is ON.
• FR-A8ND
Class 0x29 Instance 1
Pr. Name Initial value Setting range Function
349
*1
Communication reset
selection/Ready bit status
selection/Reset selection
after inverter faults are
cleared/DriveControl writing
restriction selection
0 0, 100 Error reset is enabled independently of operation
mode.
1, 101 Error reset is enabled in the Network operation
mode.
1000, 1001, 1100,
1101, 10000, 10001,
10100, 10101, 11000,
11001, 11100, 11101
For details, refer to page 638.
N010
*1
Communication reset
selection
0 0 Enables the error reset function in any operation
mode.
1 Enables the error reset function only in the
Network operation mode.
N240
*1
Ready bit status selection 0 0 The status of Ready bit in communication data
can be selected when a communication option is
installed.
1
Setting value Description
Pr.349 N010 N240 Communication reset selection Ready bit status selection
NET operation
mode
Other than NET
operation mode
Main circuit:
power-ON
Main circuit:
power-OFF
*1
0 0 0 Reset enabled Reset enabled Ready bit: ON Ready bit: ON
1 1 0 Reset enabled Reset disabled Ready bit: ON Ready bit: ON
100 0 1 Reset enabled Reset enabled Ready bit: ON Ready bit: OFF
101 1 1 Reset enabled Reset disabled Ready bit: ON Ready bit: OFF
Attribute
ID
Access Name Data
type
Number
of data
bytes
Initial
value
Range Description
9 Get Ready BOOL 1 1 0 Other than the below
1 Pr.349 = "0, 1"
N240 = "0"
During stop / during acceleration /
during constant speed operation /
during deceleration / during reverse
rotation deceleration
Pr.349 = "100, 101"
N240 = "1"
During stop while the RY signal is ON /
during acceleration / during constant
speed operation / during deceleration /
during reverse rotation deceleration
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