8
03.04 "Diagnosis" Operating Area
8.4 PLC status
8
Ó Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operator's Guide HMI Advanced (BAD) – 03.04 Edition 8-425
Operand Example Condition Writing Format Value Range
Counters
C20 Yes Yes
B
H
D
0-31
Data
block
Data byte
DB3.DBB9
Yes Yes
H
D
B
0-255
0-255
A
10
000 0000 0000 1010
In HMI, the "Page" keys can be used to scroll up and down.
8.4.2 Changing/deleting values
Function
The values of operands can be changed.
Operating sequence
Diagnosis
The "Diagnosis" operating area is selected.
PLC
status
Press softkey "PLC status".
The first operand screen form appears.
The vertical softkey bar changes.
Modified
Cyclic updating of the values is interrupted.
Operand
+
Operand
-
You can increase or decrease the address of the operand by 1 place
at a time.
Softkey assignment
Default
format
A selection window appears.
You can preset the format fields to "B" (binary), "H" (hexadecimal), "D"
(decimal) or "G" (floating point).
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