Rhein-Nadel Automation GmbH 16
VT-BA-ESK2001_EN_2023.docxVT-BA-ESK2001_EN_2023.docx
AND logic of the two sensor inputs without blowing-off the exit track.
Bowl feeder (channel 1) stops when both sensors are operated. Orienting air can be switched off
with delay (4 sec.) via relay K2.
OR logic of the two sensor inputs.
Bowl feeder (channel 1) stops when one of the two sensors is operated. Orienting air can be
switched off with delay (4 sec.) via relay K2.
Min/Max logic of the two sensor inputs.
The bowl feeder stops when both sensors are operated. The vibratory feeder (channel 1) will re-
start only after both sensors are cleared again.
Relay K1 operates on stopping of bowl feeder. Relay K2 operates 4 sec. later (stopping the blow-
ing air)
AND / S2 logic
Vibratory feeder (channel 1) stops when both sensors are operated. It starts when sensor 2 is
cleared again. Orienting air can be switched off with delay (4 sec.) via relay K2.
Level check for hoppers with external hopper control
Sensor 2 operates relay K1 following the delay period entered (C005). When sensor 1 is operated,
relay K1 drops out (hopper interlock).
Sensor 1 = accumulation check
Sensor 2 = level check
Relay K1 = hopper control
Level check with indicator light
Sensor 2 operates relay K1 following the delay period entered (C005) without taking into account
sensor 1 (accumulation check).
Sensor 2 is used as a level checker (e.g., LC-N 24V DC). Relay K1
operates an indicator light: Bowl feeder empty.
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