Mitsubishi Melsec-L Series User Manual page 71

(4) Detailed error information (buffer memory address: 16 (Un\G16))
The details of errors detected by the master station are stored. If "Error of station outside control range" is
detected, b3 will be latched. Writing "1" to b3 will clear the "Error of station outside control range" information.
Bit Name
b0 Data link error
b1 Error (all stations)
b2 Remote I/O error
Error of station outside
b3
control range
b4 Point mode setting error
Transmission speed
b5
setting error
Switching during
b6
operation
b14 to b7 Empty
b15 Hardware failure
(5) External switch information (buffer memory address: 17 (Un\G17))
The switch status of the number of occupied I/O points setting, transmission speed setting, point mode setting,
and test mode is stored.
Bit
Number of occupied I/O
b2 to b0
points setting
b4, b3 Transmission speed setting
b6, b5 Point mode setting
b7 Test mode
b15 to b8
0: Data link normal
1: One or more data link faulty stations
0: One or more normal data link stations
1: All stations faulty
0: No remote I/O error
1: One or more faulty remote I/O stations
0: No error
1: Remote station connected to the station whose number is greater than the last
station number in refresh range
0: Normal
1: Point mode setting switch configured outside the range
0: Normal
1: Transmission speed setting switch configured outside the range
0: No switching
1: Switched
0: Normal
1: Failure identified by self-loopback test
Name
Status of operation setting switch SW3 to SW1
000: 16 pts. 001: 32 pts. 010: 48 pts. 011: 64 pts. 100: 128 pts. 101: 256 pts.
110: 512 pts. 111:1024 pts
Status of operation setting switch SW5 and SW4
00: 156kbps 01: 625kbps 10: 2.5Mbps 11: Setting not allowed
Status of operation setting switch SW7 and SW6
00: 8-point mode 01: 4-point mode 10: 16-point mode
11: Setting not allowed
Status of the operation setting switch SW8
0: Normal
1: Self-loopback test being executed
Empty
Description
⎯
Description
⎯
0: Switch off
1: Switch on
APPENDICES
A
69