Mitsubishi MELESEC-ST User Manual page 157

APPENDICES
Target
module
Mr.n+7 Mr.n+6
ST1X2- -
-
ST1X4- -
-
ST1X16- 0
1
Target module
Ew.n , Ew.n+1
ST1X2-
Ew.n to Ew.n+3
ST1X4-
Ew.n to Ew.n+15
ST1X16-
App - 16
(c) Mr Module Status Area
The Mr Module Status Area will be explained.
Module Status
Mr.n+5 Mr.n+4
- - -
- - -
- - -
- - -
0 0 0
1 1 1
(d) Wr Word Input Area
The Word Input Area is not occupied.
(2) Output Data
(a) Bw Bit Output Area
The area of assigned points (2/4/16 points) is occupied.
Since it is not used by the input module, write 0 (fixed) to this area.
(b) Ew Error Clear Area
The Error Clear Area will be explained.
Error Clear Item
Error Clear
Request
(c) Ww Word Output Area
The Word Output Area is not occupied.
Mr.n+3 Mr.n+2 Mr.n+1
- - -
- - -
- - 0
- - 1
0 0 0
1 1 1
(1) Turn Ew.n ON (1) when clearing error information.
(2) After confirming that the error information has been
cleared, turn OFF (0) the Ew.n Error Clear Request.
When the module recovers from the error, the error
information is automatically cleared.
OFF (0) : Error clear not requested (default)
ON (1) : Error clear requested
Only Ew.n is used.
Ew.n+1 to Ew.n+15 are reserved for the system. (0 fixed)
MELSEC-ST
Information
Mr.n
0 Hardware fault
1 Normal
Module
0 Hardware fault
Status
1 Normal
0 Hardware fault
1 Normal
Description
Description
App - 16