Glossary entry

German term or phrase:

Endschalter noch gesetzt

English translation:

limit switch still actuated or 'set'

Added to glossary by Adrian MM.
Oct 27, 2021 15:44
2 yrs ago
55 viewers *
German term

What does "noch gesetzt" mean in this context?

German to English Tech/Engineering Engineering (general)
These are user-interface strings on a meat-processing machinery. I can't figure out what "noch gesetzt" is supposed to mean in these phrases. Something to do with selection? Any suggestion would be great, thank you.

Change log

Oct 27, 2021 18:47: writeaway changed "Language pair" from "German" to "German to English"

Nov 1, 2021 10:40: Adrian MM. Created KOG entry

Discussion

Johannes Gleim Oct 30, 2021:
@ Zolboo Batbold Do you have non-returning limit switches? Or which other type?

In my 40 years as an electrical engineer, I have only seen spring-returning limit switches, except for gravity switches.
See:
With momentary switches, the contacts return back to their normal state as soon as the actuator is released.
:
Unlike most other side rotary limit switches, gravity return limit switches have no spring return mechanism.
https://www.eaton.com/ecm/groups/public/@pub/@electrical/doc...

Übliche Bauformen für Endlagenschalter sind zum Beispiel Rollenhebelschalter oder berührungslos arbeitende Geräte wie Lichtschranken und Näherungsschalter oder Initiatoren.
https://de.wikipedia.org/wiki/Positionsschalter
(all these designs return automatically to their initial position)

Proposed translations

+4
1 hr
German term (edited): Endschalter noch gesetzt
Selected

limit switch still actuated or 'set'

The translation of 'actuated' is just about the only translation missing from the first ProZ web ref.

There you are: Та энд байна Ta end baina, as my Mongolian friend Tuk in a West London restaurant used to say.
Example sentence:

In this switch one set (pole) of contacts is actuated when the lever is actuated in one direction and the other set of contacts is actuated when the lever is actuated in the other direction.

On plunger types, there are two plungers on opposite sides of the head. One sets and the other resets.

Peer comment(s):

agree Darin Fitzpatrick
2 hrs
Thank, Darin.
agree Cillie Swart : Yes Definitely. Thanks !!
4 hrs
Danke schön and thanks, Cillie !
agree Kim Metzger
2 days 1 hr
Thanks, Kim, and danke schön !
agree Cilian O'Tuama : You said it first, a mere 2 days earlier!
2 days 3 hrs
Thanks Cilian - one 'l', danke schön and go raibh maith agat !
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4 KudoZ points awarded for this answer. Comment: "Vielen Dank"
2 days 55 mins
German term (edited): "noch gesetzt"

(input flag) still set (not yet reset)

Aus dem Kontext (einschließlich des Printscreen) ist nicht zu erkennen, dass die Kontakte der Endschalter in der Maschinensteuerung nicht selbsttätig in die Ausgangsposition zurückkehren, sobald der Endschalter nicht mehr belastet wird. Üblicherweise öffnen sich Schließer wieder und schließen sich Öffner wieder, wenn die Betätigungskraft wegfällt.

Andererseits zeigt der Printscreen eine Liste von Programmkommentaren, wahrscheinlich für eine SPS (speicherprogrammierbare Steuerung). Aus meiner früheren Tätigkeit als Elektroingenieur weiß ich, dass in der SPS Merker gesetzt werden, sobald sich der Zustand eines Eingangs ändert. Merker behalten diesen Zustand bei, bis sie durch andere Befehle zurückgesetzt werden.

Wie jeder andere Computer arbeitet die SPS nach dem EVA-Prinzip, sie besitzt also einen Eingabe-, einen Verarbeitungs- und einen Ausgabeteil. Die E/A-Geräte (die an die Eingänge/Ausgänge, engl. Input/Output, angeschlossenen Geräte) sind mit der SPS verdrahtet. Das Peripherieabbild der Eingänge wird am Anfang eines Zyklus eingelesen, dann erfolgt die Verarbeitung des Programms und die Übergabe der Ausgänge in das Peripherieabbild der Ausgänge. Bei früheren Speicherprogrammierbaren Steuerungen wurde das Peripherieabbild der Eingänge auf Merker gespiegelt und diese im Programm abgefragt, weil die Abfragezeit auf Eingänge deutlich höher lag.
https://de.wikipedia.org/wiki/Speicherprogrammierbare_Steuer...
(Anm: meines Wissens ist das immer noch so)

A PLC works in a program scan cycle, where it executes its program repeatedly. The simplest scan cycle consists of 3 steps:
1. read inputs,
2. execute the program,
3. write outputs.[29]
The program follows the sequence of instructions. It typically takes a time span of tens of milliseconds for the processor to evaluate all the instructions and update the status of all outputs.[30] If the system contains remote I/O—for example, an external rack with I/O modules—then that introduces additional uncertainty in the response time of the PLC system.[29]
As PLCs became more advanced, methods were developed to change the sequence of ladder execution, and subroutines were implemented.[31] This enhanced programming could be used to save scan time for high-speed processes; for example, parts of the program used only for setting up the machine could be segregated from those parts required to operate at higher speed. Newer PLCs now[as of?] have the option to run the logic program synchronously with the IO scanning. This means that IO is updated in the background and the logic reads and writes values as required during the logic scanning.[citation needed]
https://en.wikipedia.org/wiki/Programmable_logic_controller

flag | der Merker Pl.: die Merker
marker der Merker Pl.: die Merker
https://dict.leo.org/englisch-deutsch/Merker

Merker (M), (Steurbit, Zustandsbit) / flag, marker)
(Siemens, Fachwörterbuch industrielle Elektrotechnik, Energie- und Automatisierungstechnik)

This means the flag bit is set i.e. the device has data-ready. If the flag-bit had not been set, this would have evaluated to 0 i.e. there is no data available from the device.
https://en.wikipedia.org/wiki/Bit_field

The two operands of the PLC900 instructions can constitute a constant or an address depending on the instruction.
:
Symbolic address
M1.5 flag
O1.4.2 output
I1.7.1 input (p. 63)
:
PWON M33:3 Power-on flags
??? M33.6 Auxiliary flags for non-used inputs and outputs (p. 80)

http://bwo-elektronik.de/fileadmin/downloads/Handbücher_Neu/...
(S. 63)

4.2.2. Using flags
Do you want to get interim results (logical combination or calculation) of your program and store these? Then, a known way of doing this is to use flags. How flags can be used in Step 7 you can see below:
Fig 1: Extract of a S7-program
https://learnchannel-tv.com/wp-content/uploads/2017/06/en_Sc...

f the PLC desires to send data from memory (F010, ..., F499) through a periphery it sets flag Y606 to 1. After the data output had occured the NC sets I606 to 1. Then the PLC should set flag Y606 to 0, hereat the data transfer is finished. Befor the PLC program would send new data it must wait until flag I606 is set to 0.
https://www.nct.hu/pdf/NC_Documents/English/Install/angplc_6...
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