Appendix 3.1.3 Output Modules - Mitsubishi MELESEC-ST User Manual

APPENDICES

Appendix 3.1.3 Output modules

Target
module Er.n+15 Er.n+14
ST1Y2- -
-
ST1Y16- 0
1
Target
module
Er.n+7 Er.n+6
ST1Y2- -
-
ST1Y16- 0
1
Target
module
Mr.n+7 Mr.n+6
ST1Y2- -
-
ST1Y16- 0
1
App - 17
The output module has the following areas for data transfer to and from the head
module.
The structure of each area will be explained.
Module
2-point output module
ST1Y2-
16-point output module
ST1Y16-
The value within the parentheses is not used, but the number of assigned points is
occupied.
(1) Input Data
(a) Br Bit Input Area
The area of assigned points (2/16 points) is occupied.
Since it is not used by the output module, 0 (fixed) is stored into this area.
(b) Er Error Information Area
The Er Error Information Area will be explained.
Error Information
Er.n+13 Er.n+12
- - -
- - -
0 0 1
1 1 1
Error Information
Er.n+5 Er.n+4
- - -
- - -
0 0 1
1 1 1
*1: A hardware fault occurs when the output module cannot be recognized
by the head module.
*2: A module error is indicated when any of Er.n , Er.n+4 , Er.n+8 and
Er.n+12 turns ON (1).
(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.
Number of
occupied slices Br
1 (2)
8 (16)
Er.n+11 Er.n+10 Er.n+9
- - -
- - -
0 0 0
1 1 1
Er.n+3 Er.n+2 Er.n+1
- - 0
- - 1
0 0 0
1 1 1
Mr.n+3 Mr.n+2 Mr.n+1
- - 0
- - 1
0 0 0
1 1 1
MELSEC-ST
Input Data Output Data
Er Mr Wr Bw
2 1 0 2
16 8 0 16
Information
Er.n+8
-
- Module
error
1
1
Information
Er.n
1
Module
1
error
1
1
Information
Mr.n
0
Module
1
Status
0
1
Ew Ww
2 0
16 0
Description
Module error
Hardware fault *1
Module error *2
Hardware fault *1
Description
Module error
Hardware fault *1
Module error *2
Hardware fault *1
Description
Hardware fault
Normal
Hardware fault
Normal
App - 17