FT-70 Fill Level Inspector Service Manual
9-6
Relay Types for Output Signals
The FT-70 does not supply power to the PLC unit. The FT-70 signal
output is a solid-state relay that closes upon each event occurrence.
A resistor of the appropriate value may be needed across the load
attached to the relay. The resistor absorbs the 2 ma leakage and
meets the Minimum Current Load requirement. Refer to the
following illustrations for the resistor required for your specific
voltage.
Description Relay Type
Sensor/X-ray Failure Alarm Reed
Latched Consecutive Alarms Reed
Rejector/Fill Level Status Off Reed
Total Rejects Solid State
Total Throughput Solid State
Fill Level Rejects Solid State
Bulged End Rejects Solid State
Missing Lid Rejects Solid State
Industrial Dynamics Company, Ltd. © 40256-0600
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