Instruction manual

1070 072 163-101 (97.11) GB
DM254 / 255/ 120 Data Modules6-4
6.3 DM120 Data Module
The DM120 data module is used for the automatic storage of information
about the first-value error message of a cascade in a data range that is
specifically reserved for that purpose (D0 through D148).
Data related to errors occurring in subsequent cascade processing within
the controller can be queried via the manual diagnostics range (D278
through D 410).
DW HIGH Byte contents LOW Byte contents
D0 Control flags
D2 Day Month
Auto- D4 Year Hour
Diag- D6 Minute Second
nostics D8 Weekday (0 = Sunday) unused
Range D10 Cascade number Step number
D12 Module type Module number
(Fist-value D14 Cascade status Number of messages
message) D16 1. OpCode
D18 2. OpCode
: :
D142 64. OpCode
D144 Reserved
D146 Reserved
D148 Reserved
D150 1st Cascade information
::
D276 64th Cascade information
Manual D278 Cascade number Step number
Diag- D280 Module type Module number
nostics D282 Cascade status Number of messages
Range D284 1st OpCode
: :
D410 64th OpCode
Fig. 6-3 DM120 Data Module
♦ For the CL200, the DM120 data module must be opened for the full length
(512).
For application with the CL400 / CL500, opening up to and including D410
(410) will suffice.