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Connections
The inputs of the DCC block are connected via unit-global variables of the MCC source file
"AddOn" to the outputs of the "FB_IntpoPLCToAddOn" block. The DCC block outputs are
interconnected with the inputs of the "FB_IntpoAddOnToPLC" block using unit-global variables.
Table 3-16
DCC_SCINTPO connections
Name
Type
Data type Unit-global variables of "AddOn"
Meaning
BENABLE
IN
BOOL
intpo_PLC_Enable Transfer
Activate transfer of interpolation points
BLIST_IDX
IN
BYTE
intpo_PLC__Index_Rcv
Received interpolation point number
BCOUNT
OUT
BYTE
intpo_SC_Count
Number of interpolation points
BCURR_IDX
OUT
BYTE
intpo_SC_Index_Snd
Sent interpolation point number
IPOS_TR
OUT
DINT
intpo_SC_HO_Pos
Hoist position (corresponding to received
interpolation point number)
IPOS_HO
OUT
DINT
intpo_SC_TR_Pos
Trolley position (corresponding to re‐
ceived interpolation point number)
BERROR
OUT
BOOL
intpo_SC_Error
Invalid interpolation point number
Error messages
If the specified interpolation point number is larger than the current number, the BERROR
output is set.
Overview of the software
3.3 Sway control function blocks
SC integrated STS, GSU
Operating Instructions, 07/2019, A5E48271265B AA
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