Food packaging line
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Description
The FB_PackagingUnit function block executes an automatic cycle for packaging, integrates emergency stop/error shutdown, and controls the conveyor belt, pusher, and sealing module. The SCL code runs directly in the TIA Portal.
Note: All modules are designed exclusively as a learning and optimization basis and are not approved for live operation. System modules, in particular, must be finally tested and commissioned by qualified personnel before productive use.
How it works
-
Emergency Stop (
NotAus=TRUE
):
Conveyor belt, slider & sealing module off,Alarm=TRUE
,StatusIntern=“NOT-AUS aktiv!”
, RETURN -
Idle (Step=0) :
CheckProduktErkannt
∧VerpackungOK
; ifFALSE
→ Error message "No product recognized!" or "Packaging missing!", acknowledgment required -
Start (
Quittieren
completed ∧Start=TRUE
): → Step=1 -
Step 1 : Conveyor belt TON(cycle time) = TRUE → after expiration
Foerderband=FALSE
, Step=2 -
Step 2 : Slider TON(T#1s) = TRUE → after expiration
Schieber=FALSE
, Step=3 -
Step 3 : Seal module TON(T#2s) = TRUE → after expiration
Siegelmodul=FALSE
, Step=4 -
Step 4 :
Step=0
,StatusIntern=“Bereit”
Technical details
-
Inputs :
NotAus
,Start
,ProduktErkannt
,VerpackungOK
,Quittieren
,Taktzeit
Parameter -
Outputs :
Foerderband
,Schieber
,Siegelmodul
,Alarm
,Fehler
,StatusIntern
-
Timer : TON PT=
Taktzeit
, TON PT=T#1s, TON PT=T#2s -
Control : INT variable
Step
in CASE structure -
Error/Alarm : Flags synchronized in
StatusIntern
; RETURN aborts immediately in case of error
Possible applications
Automatic packaging lines in food/pharmaceuticals, retrofitting of existing systems, demonstration and training setups.
compatibility
Siemens S7-1200/S7-1500, TIA Portal ≥ V13 (V16+ recommended for HMI/PLCSIM).
Scope of delivery
.scl
file with declarations of all inputs/outputs, timer instances, state transitions, and feedback parameters; download link available immediately after purchase.
Support
Adjusting cycle times, integrating additional safety functions or HMI layouts – personal advice via email or shop support.