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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_TrolleyPLCToAddOn" block. The DCC block outputs are
interconnected with the inputs of the "FB_TrolleyAddOnToPLC" block using unit-global
variables.
Table 3-8
DCC_SCTROLLEY connections
Name
Type Data
type
Unit-global variables of "AddOn"
Meaning
BRELEASE
IN
BOOL
trolley_plc_release
Request release
BTRAVEL
IN
BOOL
trolley_plc_travel
TRAVEL control bit
BOM_POS
IN
BOOL
trolley_plc_om_pos
Positioning mode
BOM_SPEED
IN
BOOL
trolley_plc_om_speed
Manual mode (MAN)
BOM_LOAD_POS
IN
BOOL
trolley_plc_om_load_pos
STS selected:
Sway neutralization load position
mode
GSU selected:
Not relevant
BOM_TROLLEY_POS
IN
BOOL
trolley_plc_om_trolley_pos
STS selected:
Sway neutralization drive posi‐
tion mode
GSU selected:
Not relevant
BOM_HOIST_CONTROL
IN
BOOL
trolley_plc_om_hoist_control
Semi-automatic mode (SAM)
BSC_ON
IN
BOOL
trolley_plc_sc_on
Sway control on
BLS_FW
IN
BOOL
trolley_plc_ls_fw
Limit switch, forward
BLS_BW
IN
BOOL
trolley_plc_ls_bw
Limit switch, backward
BPRELS_FW
IN
BOOL
trolley_plc_prels_fw
Prelimit switch, forward
BPRELS_BW
IN
BOOL
trolley_plc_prels_bw
Prelimit switch, backward
BBRAKE_CLOSED
IN
BOOL
trolley_plc_brake_closed
Output value enable
BSC_WHEN_STOP
IN
BOOL
trolley_plc_sc_when_stop
Sway control only when stopping
BCONTROLLED_STOP
IN
BOOL
trolley_plc_controlled_stop
Controlled stop
BFLYING
IN
BOOL
trolley_plc_flying
STS selected:
Not relevant
GSU selected:
On-the-fly unloading
IOVERRIDE
IN
INT
trolley_plc_override
Override
RS_ACT_TR
IN
LREAL
trolley_to_rs_act_tr
Current trolley position
RS_SET_TR_EXTERN
IN
LREAL
trolley_bt_s_set_tr_extern
Target position
IS_OFFS_TR
IN
INT
trolley_plc_offset
Position offset
RV_ACT_TR
IN
LREAL
trolley_to_rv_act_tr
Actual trolley velocity
RV_SET_TR
IN
LREAL
trolley_bt_v_set_tr
Set velocity
BREADY
OUT BOOL
trolley_sc_ready
Answer release
BACTIVE
OUT BOOL
trolley_sc_active
Active
BPOS_COMPLETED
OUT BOOL
trolley_sc_pos_completed
Positioning
BSC_COMPLETED
OUT BOOL
trolley_sc_sc_completed
Sway-neutralized
Overview of the software
3.3 Sway control function blocks
SC integrated STS, GSU
Operating Instructions, 07/2019, A5E48271265B AA
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