Rhein-Nadel Automation GmbH 18
VT-BA-ESR2000_EN_2023.docx
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 bowl 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
blowing air)
AND / S2 logic
Bowl 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 hopper control
Sensor 2 operates relay K1 following the delay period entered (C005). When sensor 1 is oper-
ated (accumulation), 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 looking at sensor 1.
Sensor 2 is used as a level checker (e.g., LC-N 24V DC).
Relay K1 operates an indicator light:
Bowl feeder or linear feeder empty.
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