Siemens SINUMERIK 840D sl Commissioning Manual page 462

Commissioning HMI Advanced (IM4)
2 Functions/Parameterization
Item:
The following configuration possibilities exist for the area or line index:
<CH> for the channel number in which the axis is active
<AX> for the axis number
<DRV> for the drive number of the associated axis
<PLC_CH> for a PLC channel DB; is replaced by 20+channel number of the
<PLC_AX> for a PLC axis DB; is replaced by 30+axis number
e.g.: Item = /Channel/MachineAxis/impulseEnable[u<CH>, <AX>].
In this case the current channel would be used for <CH> and the current axis
number for <AX>. The value obtained can be evaluated by bits or as a whole
number.
expr: This can be an IF statement or a bitmap assignment.
Syntax:
expr=<IF_Statement> or
expr=<Bmp_Assignment>
<IF_Statement>::= IF <BoolExpression> THEN <Statement>ELSE<Statement>
<Bmp_Assignment>::= BMP = <BitmapNr>
An expression must occupy one line.
<EntryName>::= any name, which must be defined in the same section as expr. It
is treated in the same way as expr.
<BitmapNo>::=
The numbers 0 to 99 are reserved for Siemens.
Internal bitmaps must be defined in the [BMP] section (see below). The predefined
numbers have the following meaning:
0:
1:
2:
3:
4:
5:
6:
IM4/2-68
SINUMERIK 840D sl/840D/840Di/810D Installation and Start-Up HMI (IAM) - 08/2005 Edition
(see description of the OPI)
channel in which the axis is active.
<Statement>::= <EntryName> or
<Statement>::= <Bmp_Assignment>
<BoolExpression>::= <Val> or
<BoolExpression>::= <Val><OP><Value>
<Val>::= # or
<Val>::= #.<BitNr>
<BitNr>::=Bit number to be evaluated (0..31)
<OP>::= < , > ,= ,>=, <=, <>
Number of a bitmap.
OK
Not OK
Error => alarm is active
Not applicable
No drive allocated
Communication error
do not display bitmap
display bitmap
display bitmap
display bitmap
display bitmap
display bitmap
display bitmap
© Siemens AG, 2005. All rights reserved
08/2005