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Control Relays
Rhomberg control relays cover various control functions such as contact switching for proximity & photo-electric sensors, speed monitoring and control, thermistor motor protection, and flip flop control. A small range of power supply relays are included in this range. (Available in 11-pin plug-in and/or DIN rail format).


RO2 Photoelectric (Opto-electronic) Sensors.
For use with Rhomberg SC410 relays


Features
  • Separate transmitters and receivers, or transmitter & receiver in one unit
  • Interface directly to optional Rhomberg monitoring relay SC410.
  • Target or space sensing
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SC300 Switching Amplifier Relay for Namur Sensors
Mains switching according to Namur sensor status




Features
  • 11-pin plug-in.
  • Fail-to-safe design.
  • Programmable: target response, space response.
  • Direct interface with Rhomberg & other Namur sensors (DIN 19234).
  • Sensor or cable fault detection and indication.
  • Cost effective sensor and relay replacement.
  • Impervious to interference between sensor and amplifier over long cable runs
  • High noise immunity.
  • 10A SPDT or 5A DPDT relay output.
  • Requires optional S3-B 11-pin base.
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SC314 Switching Relay for DC PNP or NPN Sensors
Mains switching according to DC sensor status




Features
  • 11-pin plug-in.
  • Direct interface with all 3-wire PNP or NPN DC sensors (inductive, capacitive and opto-electronic/ photo-electric).
  • LED indication of relay status.
  • Cost efficient interface with DC sensors.
  • Impervious to outside interference.
  • 10A SPDT relay output.
  • Requires optional S3-B 11-pin base.
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SC320 Tachometer Relay Pulse input via Namur sensor or via potential-free contact
Overspeed or Underspeed monitoring, control and/or protection




Features
  • 11-pin plug-in.
  • Fail-to-safe design.
  • Programmable for overspeed or underspeed monitoring.
  • Programmable speed ranges: 10RPM to 10 000RPM.
  • Speed setpoint adjustable on calibrated scale (10 to 100%).
  • Pulse frequency to current conversion (0-1mA).
  • Direct interface with Rhomberg & other Namur two-wire proximity sensors.
  • Low power sensor signal to DIN 19234.
  • Sensor or cable fault indication.
  • Fixed start-up delay 10 sec.
  • LED indication of Sensing, Relay ON and cable fault.
  • 10A SPDT relay output.
  • Requires optional S3-B 11-pin base.
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SC410 Opto-electronic Control Relay for Rhomberg RO2 Photo-electric sensors
Proximity or Barrier Infra-red sensing and switching


Features
  • 11-pin plug-in.
  • Direct interface with Rhomberg RO2 Photo-electric sensor range.
  • Programmable: dark or light response.
  • Adjustable: delayed ON up to 5s, delayed OFF up to 5s, transmit light intensity.
  • Signal modulated beam to stop foreign light source interference.
  • High speed solid state transistor output.
  • Direct interface for solid state relays.
  • 10A SPDT relay output
  • Sensor or cable fault detection and indication.
  • Requires optional S3-B 11-pin base.
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SC501 Temperature Control Relay
Monitoring Temperature for High or Low Conditions (or for basic ON/OFF control)




Features
  • 11-pin plug-in.
  • Interface to standard PT100 sensors
  • Separately adjustable trip and recovery points
  • Selectable for Over-Temperature or Under-Temperature monitoring
  • LED indication of Relay ON and Sensor fault
  • Latching facility.
  • 10A SPDT relay output.
  • Requires optional S3-B 11-pin base.
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SC510 Thermistor Motor Protection Relay - Auto Reset
Detects overheating of equipment using a PTC sensor




Features
  • 11-pin plug-in.
  • Fail-to-safe design.
  • Interfaces with DIN 44081 standard PTC sensors.
  • Sensor or cable fault detection and indication with automatic relay de-energisation for failsafe operation.
  • 10A SPDT relay output.
  • Requires optional S3-B 11-pin base.
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SC511 Thermistor Motor Protection Relay - Auto Reset or Manual Reset
Detects overheating of equipment using a PTC sensor




Features
  • 11-pin plug-in.
  • Fail-to-safe design.
  • Interfaces with DIN 44081 standard PTC sensors.
  • Sensor or cable fault detection and indication with automatic relay de-energisation for failsafe operation.
  • Latching facility.
  • Test button.
  • Manual reset button.
  • 10A SPDT relay output.
  • Requires optional S3-B 11-pin base.
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SC610 Flip Flop Relay Without Memory
Potential free contact input




Features
  • 11-pin plug-in.
  • Many power supply options.
  • Direct interface with potential free contact or 3 wire DC NPN sensor.
  • LED indication of relay status.
  • Power on indication.
  • 10A SPDT or 5A DPDT relay output.
  • Requires optional S3-B 11-pin base.
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SC611 Flip Flop Relay With Memory
Potential free contact or NPN sensor input




Features
  • 11-pin plug-in.
  • Many power supply options.
  • Direct interface with potential free contact or 3 wire DC NPN sensor.
  • Retention of output state after loss of power.
  • LED indication of relay status.
  • Power on indication.
  • 10A SPDT or 5A DPDT relay output.
  • Requires optional S3-B 11-pin base.
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SC900 Power Supply Module 12 up to 525 VAC input 12, 24 or 36 VDC output


Features
  • 11-pin plug-in.
  • Ease of use due to 11 pin plug-in concept.
  • High input voltage ranges.
  • Large variety of output supply options.
  • Cost effective power supply unit.
  • Requires optional S3-B 11-pin base.
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