Software function blocks Pallet dispenser PD1 - SIEMENS
13
5.8
Function block steps
The steps of the dispenser are known through status handshake.
With the table we explain the different steps of the dispenser
Tabel 06:
Steps pallet dispenser PD1
Value
Description
0
NO ACTION / SWITCHED OFF:
Dispenser switched off / no mode active
1
MANUAL OPERATION / MANUAL MODE:
Dispenser in manual mode
7
BLOCKED:
Dispenser blocked by alarm, wait for reset command
10
IDLE:
Dispenser determine next step by actual position.
If no valid position is detected an alarm will be activated
11
BASIC POSITION:
Dispenser on upper position (B1), forks in pallet stack (B5)
Next step will be activated when deliver command is given OR when mode 2 is
selected.
12
TO BOTTOM POSITION:
Move dispenser to bottom position (B3)
13
FORKS OUT PALLET:
Move forks out of pallet stack (B13)
14
WAIT POSITION:
Dispenser on bottom position (B3), forks out of pallet stack (B13)
If no pallet is detected (B7) an alarm will be activated
Next step will be activated when deliver command is given OR when pick up stack
command is given
15
TO EMPTY POSITION:
Dispenser on bottom position (B3), forks out of pallet stack (B13)
16
EMPTY POSITION:
Wait until B7 is blocked to detect an refill of the depot
17
TO MIDDLE POSITION:
Move dispenser to middle position (B2) when Settings.Double is FALSE
Move dispenser to middle position (B10) when Settings.Double is TRUE
18
FORKS IN PALLET:
Move forks in pallet stack (B5)
19
TO UPPER POSITION:
Move dispenser to upper position (B1)
When pick up stack command is given go to step IDLE
Or else wait until Pallet is not detected anymore (B7)
