PMA 9407-480-30001, Interface Manual

Page: 43 / 54

5.2.7
ALARM (FB no.: 70 ... 77 Type no.: 46)
Function block ‘ALARM’ defines the overall alarm processing of the relevant controller. The data are
available once per controller.
Process data
General (function no.: 0)
Code Descr. R/W Type Description Range Rem.
00 Block R Block Block access (1 .. 3)
1 Status_Al1 R ST1 Alarm status 1
A
2 Status_Al2 R ST1 Heating current alarm
B
3 HC R FP Heating current meas. value
18 Type R INT Type no. of function block 46
Rem A Status_Al1
MSB LSB
D7 D6 D5 D4 D3 D2 D1 D0
Bit no. Name Allocation Status ‘0’ Status ‘1’
D0
Lim HH Alarm HH off on
D1
Lim H Alarm H off on
D2
Lim L Alarm L off on
D3
Lim LL Alarm LL off on
D4
Fail Fail no yes
D5
‘0’ always ‘0’
D6
‘1’ always ‘1’
D7
Parity
Rem B Status_Al2
MSB LSB
D7 D6 D5 D4 D3 D2 D1 D0
Bit no. Name Allocation Status ‘0’ Status ‘1’
D0
HCAl Heating current alarm channel off on
D1
LeckAl Leakage current alarm channel off on
D2
LoopAl Loop-alarm channel off on
D3
SSRAl Short circuit alarm channel off on
D4
Fail_H Fail-alarm H off on
D5
Fail_HH Fail alarm HH off on
D6
‘1’ always ‘1’
D7
Parity
Function block protocol
41 9499 040 50511