Mitsubishi FX2N-16CCL-M, User Manual

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FX2N-16CCL-M CC-Link System Master Block Specification 4
4-15
4.6.4 I/O signal details
This section describes the ON/OFF timing, the conditions, etc. of the I/O signals shown in
Section 4.6.3.
[Read signals]
1) Read module error: BFM#A
H
b0
Indicates whether the module is normal or not.
OFF: The module is normal.
ON : The module is abnormal.
2) Read data link status in host station: BFM#A
H
b1
Indicates the data link status in the host station.
OFF: Data link is stopped.
ON : Data link is in progress.
3) Read parameter setting status: BFM#A
H
b2
Indicates the parameter setting status in the host station.
The signal SB006D has the same meaning.
OFF: The setting is normal.
ON : There is an error in the setting. (The error code is stored in SW0068.)
This signal turns OFF when the write request for data link startup by buffer memory
parameters (BFM#A
H
b6) or the write request for data link startup by EEPROM parameters
(BFM#A
H
b8) in which no error has occurred.
4) Read data link status in other stations: BFM#A
H
b3
Indicates the data link status at other stations (remote stations).
The signal SB0080 has the same meaning.
OFF: All stations are normal.
ON : There is an error in some stations. (The error station status is stored in SW0080.)
Module error input
(BFM#A
H
b0)
Module ready input
(BFM#A
H
b15)