Confirmation By Status Information (Status Word) - Mitsubishi Electric NZ2FTGN User Manual

Confirmation by status information (Status word)

There are two types of data that indicate the status of the NZ2FT-GN: Status word1 and Status word2. ( Page 113 Access
to Process Data)
Data configuration
Status word1 is stored in Process data (RX(n~n+3)) of each station.
Status word2 is stored in Process data (RWr(n+3)) of each station.
■Status word1
Bit Item
0 Error bit 0
1 Process Alarm event notify
2 to 15 Error bit 2 to 15
■Status word2
Bit Item
0 Error bit 0
1 Station pending
2 Error bit 2
3 Systembus error
4 to 5 Error bit 4 to 5
6 I/O-Configuration error
7 to 9 Error bit 7 to 9
10 Force mode active
11 to 12 Error bit 11 to 12
13 Voltage U
OUT
14 Voltage U error
IN
15 Error bit 15
How to check Status word
■GX Works3
Read the link device of "Status word2" on the monitor.
■Web server
It is displayed in decimal in "Coupler status" of "General information" of the NZ2FT-GN. ( Page 71 "Component view")
Only "Status word2" is displayed.
7 NZ2FT-GN
128
7.9 Troubleshooting
Description
System area
Indicates whether the status of Process alarm of the I/O module has changed.
■When Process alarm is Disabled
0: Process alarm is not monitored.
■When Process alarm is Enabled
0: Process alarm has not occurred in all I/O modules, or Process alarm data has been read in all I/O modules.
1: An I/O module with unacknowledged Process alarm is present.
System area
Description
System area
0: Normal state, or one electronic unit part or I/O module removed
1: Multiple electronic unit parts and I/O modules removed
System area
Indicates the System bus status.
0: Normal
1: Error
System area
Indicates an I/O module configuration error.
0: Normal
1: Abnormal (There is a difference between the configuration information saved in the NZ2FT-GN and the current
configuration information.)
During I/O module replacement, this bit is set to 1 when the module is disconnected and is set to 0 when a new
module is mounted.
System area
0: Force mode not implemented
1: Force mode implemented
System area
error Indicates the external power supply voltage for output.
0: Normal
1: Abnormal (Power supply voltage of the output current path is less than 18VDC.)
Indicates the external power supply voltage for input.
0: Normal
1: Abnormal (Power supply voltage of the input current path is less than 18VDC.)
System area