Siemens SINUMERIK 840Di Function Manual page 1332

Detailed Description
2.12 Block descriptions
Parameter assignment
Signal
PIService
Unit
WVar1
WVar2
WVar3
WVar4
WVar5
WVar6
WVar7
WVar8
WVar9
WVar10
WVar11
WVar12
2.12.7 FB 9: M : N operating-unit switchover
Description of functions
This block allows switchover between several operating units (HMI operator panel fronts
and/or MCP machine control panels), which are connected to one or more NCU control
modules via a bus system.
References:
/FB2/ Description of Functions, Expansion Functions; Several Control Panels on Multiple
NCUs, Decentralized Systems (B3)
The interface between the individual control units and the NCU (PLC) is the M : N interface
in data block DB19 (see FB 2 above, Chapter 5 Signal Description). FB 9 uses the signals of
these interfaces.
2-138
Type Value range
ANY PI.TMFPBP
INT ... max. TOA
INT
INT
INT
INT
INT
INT
INT 0, 1 .. 7
INT 0, 1 .. 7
INT 0, 1 .. 7
INT 0, 1 .. 7
INT 0, 1 .. 7
INT 0: default
1: forwards
2: backwards
3: Symmetrical
Meaning
Empty location search
TOA
MagazineNumber_From:
Magazine number of magazine from which
search must begin (start of search area)
LocationNumber_From:
Location number of location in magazine
MagazineNumber_From at which search must
begin
MagazineNumber_To:
Magazine number of magazine at which
search must end
LocationNumber_To:
Location number of location in magazine
MagazineNumber_To at which search must
end
MagazineNumber_Ref:
LocationNumber_Ref:
Number of required half locations to left
Number of required half locations to right
Number of required half locations in upward
direction
Number of required half locations in downward
direction
Number of required location type
Specifies the required search direction
0: Empty location search strategy is set in
$TC_MAMP2
PLC Basic Program Solution Line (P3 sl)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0