Appendix
A.3 MODBUS
SENTRON PAC4200
234
System Manual, 09/2009, A5E02316180B-02
A.3.3
Structure - Limit values with the function codes 0x01 and 0x02
Structure of the limit values
Table A- 6
Modbus Offset 203, Register 2: Limit Violations
Byte
Bit
Status
Bit mask
Value range
Access
3
0
Limit 0
0x00000001
R
3
1
Limit 1
0x00000002
R
3
2
Limit 2
0x00000004
R
3
3
Limit 3
0x00000008
R
3
4
Limit 4
0x00000010
R
3
5
Limit 5
0x00000020
R
3
6
Limit 6
0x00000040
R
3
7
Limit 7
0x00000080
R
2
0
Limit 8
0x00000100
R
2
1
Limit 9
0x00000200
R
2
2
Limit 10
0x00000400
R
2
3
Limit 11
0x00000800
R
0
0
Limit Logic
0x01000000
R
0
1
Function block 1 at logic inputs 1 ... 4 0x02000000
R
0
2
Function block 2 at logic inputs 1 ... 4 0x04000000
R
0
3
Function block 3 at logic inputs 1 ... 4 0x08000000
R
0
4
Function block 4 at logic inputs 1 ... 4 0x10000000
0 =
No limit violation
1 =
Limit violation
R
See also
Measured variables without a time stamp with the function codes 0x03 and 0x04 (Page 225)
A.3.4
Structure - PMD diagnostics and status with the function codes 0x03 and 0x04
Design
Table A- 7
Overview of status and diagnostics bytes
Byte
Meaning
0
System status
1
Device status
2
Device diagnostics
3
Component diagnostics
Содержание PAC4200
Страница 16: ...Introduction 1 6 Further documentation SENTRON PAC4200 16 System Manual 09 2009 A5E02316180B 02 ...
Страница 66: ...Operation planning 4 1 Operation planning SENTRON PAC4200 66 System Manual 09 2009 A5E02316180B 02 ...
Страница 174: ...Service and maintenance 10 6 Disposal SENTRON PAC4200 174 System Manual 09 2009 A5E02316180B 02 ...
Страница 284: ...Index SENTRON PAC4200 284 System Manual 09 2009 A5E02316180B 02 ...