Loepfe YarnMaster Zenit, Инструкция по эксплуатации

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42 ZENIT
YARN STRUCTURE
Yarn Structure
During startup and lot change, the parameters for convention-
al clearing according to channels have to be set.
Channel
The settings of the clearer channels define the limits for yarn
clearing (clearing curve):
N = Diameter limit for neps
DS = Diameter limit for short faults
LS = Limit for length of short faults
DL = Diameter limit for longs faults and double ends
LL = Limit for long faults length
-D = Limit of diameter reduction for thin places
-L
= Limit for thin place length
All diameter limits are relative to the normal yarn diameter
(basis).
Clearing curve (red) The clearing curve is defined by the
settings of the different clearer channels. Yarn faults exceed-
ing this curve are cut.
Coarse Yarn Limitation
For coarse yarns, the Adjust process can determine a diame-
ter base larger than 868 mV. This has the effect that the com-
plete setting range (measuring range) is no longer available.
Accordingly, the diameter limit value for neps is automatical-
ly reduced for the channel settings and splice settings. The
changed settings are marked red and are shown in brackets.
The following alarm message is displayed:
Coarse Yarn Limitation
Note: If the neps channel was switched off, it will be acti-
vated and set to the diameter limit value which was reduced
accordingly. If the yarn cannot be cleared in this manner, the
neps channel has to be switched off manually.