3 - 17 3 - 17
MELSEC-Q
3 SPECIFICATIONS
(4) EC flag (Buffer memory address 10
H
: Un\G16)
Example: Buffer memory address Un\G0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bit
Bit 0: Configuration Error
0: No configuration error
1: Configuration error occurs
Bit 1: LDS_0 (Detection of slave addres 0 )
0: Slave of address 0 is not in list of detected slaves
1: Slave of address 0 is in list of detected slaves
Bit 2: Automatic Address Assignment Function
0: Automatic address assignment is invalid.
1: Automatic address assignment is valid.
Bit 3: Automatic Address Assignment Available
0: Automatic address assignment cannot be done.
1: Automatic address assignment can be done.
Bit 4: Configuration Mode Active
0: Not configuration mode
1: Configuration moe
Bit 5: Normal Operation Active
0: Normal operation
1: Other than normal operation
Bit 6: AS-i Power Fail (APF)
0: AS-i Power On (APO)
1: AS-i Power Fail (APF)
Bit 7: Off-line Phase Active
0: Not off-line phase
1: Off-line phase
Bit 8: Peripheral Faults
0: No Peripheral Fault
1: Peripheral Fault occurs
Bit 9 to 15: Use prohibited
(a) Bit 0: Configuration Error
Refer to "Section 3.4.2 (1) (a)".
(b) Bit 1: LDS_0 (Detection of slave address 0)
Bit 1 checks whether the AS-i system has a slave of slave address 0 or not.
Bit 1 turns ON when the QJ71AS92 detects slave 0.
(c) Bit 2: Automatic Address Assignment Function
Bit 2 checks whether the automatic slave address assignment function is
valid or invalid. Bit 2 turns ON when the automatic slave address
assignment function is enabled in the protected operation mode.
(Related item: Section 3.3.2 (9))
(d) Bit 3: Automatic Address Assignment Available
Bit 3 checks the operation conditions of the automatic slave address
assignment function. Bit 3 turns ON when the automatic slave address
assignment function is enabled and only one of the set slaves is not
recognised in the protected operation mode. (Refer to Section 4.5.4)
Downloaded from
