Signal Conditioner Applications

Model Application pdf Application Description
All Signal conditioning Signal conversion, boosting, alarming, isolation definitions
All Signal conditioning terminology Terms and definitions
All with alarms Deadband What is deadband?
API plug in modules Industry Cross reference

Replace Action and Wilkerson Instruments models
All RFI/EMI The effects of radio frequency interference (RFI) and electromagnetic interference (EMI)
All with Alarms Relay protection & EMI suppression Switching inductive loads
All Ohm's law & wire resistance E = I x R
All Ground loops What is a ground loop?
All with loop supplies Using the built-in 4-20 mA loop power supply How to use the 4-20 mA loop power supply built in to API modules.
Temperature Common thermocouple sensors List of common thermocouple types and their characteristics.
All Frequently asked questions FAQ: signal conditioning, DC inputs, current loops, RTDs, thermocouples, frequency, strain gauges, valve actuators.
Model Application pdf Process
APD 2000 Monitoring water quality using pH and ORP Custom APD 2000 to interface pH and ORP sensors to a PLC for a municipal swimming pool.
API 1600 G Heater break alarm Monitoring critical heater operation.
API 1420 G Motor overheating alarm & shutdown Motor to be shut down if it exceeds its rated temperature by 10 degrees.
API 1000 G Monitoring bi-directional flow Alarm trip module to select which flow meter is input to a PLC.
API 1000 G pH transmitter selection Alarm trip module to select which pH transmitter is input to a PLC.
APD 1000
APD 4003
Steam Condensate Monitoring Close a valve if turbidity transmitter detects oil in power plant steam condensate
Model Application pdf Process Automation
API 4300 G Building heat SCR control Convert a 6-9 V Barber-Coleman HVAC control output to a Robicon 0-10 V SCR control input.
APD 4393 IsoSplitter for pharmaceutical process validation Retrofit pharmaceutical clean rooms so data can be recorded for FDA requirements.
APD 4393 IsoSplitter for 4-20 mA signal splitting Process upgrade requires splitting one 4-20 mA signal into 2 isolated 4-20 mA signals.
APD 4393 IsoSplitter drives two 4-20 mA input SCRs Increase the 4-20 mA drive capability of a temperature controller by using the APD 4393 to split its output into 2 isolated 4-20 mA signals to drive two banks of SCRs.
Model Application pdf Electrical Loads
Current Sensors CT selection for electric motors Guidelines for current transformer selection for electric motors.
APD 2000 Monitor battery room voltage and current Monitor backup battery bank voltage and current for telcom UPS system.
APD HV-DC
APD 4300
Monitoring power usage on DC motors Monitor voltage and current on a 500V 350A DC motor for a coke furnace.
APD 1090 Motor current alarm Monitor chicken slicer motor current to stay within specified range.
API 1600 G Heater break alarm Monitoring critical heater operation.
Model Application pdf Position
API 4003 GI
API 4300 G
Monitoring blower motor speed and vent position 4-20 mA control loop signal conversion/isolation and resistance feedback loop for blower louver position.
API 4003 GI Controlling damper position Potentiometer output from air damper to 4-20mA input for PLC
API 4003 GI Manual burner control Convert a potentiometer signal to 4-20 mA for manual burner control for testing.
API 3200 G Air damper position control Asphalt plant damper door position monitoring.
API 1000 G
API 4001 G
API 4300 G
Monitor and control a dam bubbler Automatic control of dam air bubbler system and crest gate speed.
Model Application pdf Speed, Frequency
API 4003 GI Manual burner control Convert a potentiometer signal to 4-20 mA for manual burner control for testing.
API 7010 G
API 7500 G
Remote monitoring of motor speed Monitor mixing machine speed with a computer located 1500 feet away across an electrically noisy area.
Model Application pdf Strain Gauges & Weighing
Strain gauge modules Troubleshooting strain gauge sensors Troubleshooting a pressure transducer or load cell/strain gauge bridge
Custom Product Pill press High speed strain gauge signal conditioner to monitor tablet press machine
API 4058 G
API 1090 G
Chemical plant Weighing, mixing, tank level
API 4059 G Platform scale Scale with 4 load cells
API 4058 G Cargo container weight Container weighing system installed on dockside crains.
API 4059 G Truck scale Scale with 4 load cells. Total weight is to be displayed, printed out and sent to a computer.
API 4059 G Dispensing system automation Scale with 3 load cells. Total weight is to be displayed and sent to a PLC.
API 4059 G 6-wire strain gauges Using a six wire bridge with sense leads to compensate for variations in lead resistance.
Model Application pdf Temperature
Temperature Common thermocouple sensors List of common thermocouple types and their chracteristics.
API 4130 GL Monitor stack flare burnout Three thermocouples mounted 120 degrees apart monitor stack flare to make sure the flame remains lit.
API 1200 G Furnace over-temperature alarm & shutdown Redundant over-temperature shut down if furnace exceeds its programmed temperature.
API 1420 G Motor bearing temperature alarm & shutdown Alarm to shut down pump motor if bearing temperature exceeds safe limits.
API 1420 G Motor overheating alarm & shutdown Motor shut down if it exceeds its rated temperature by 10 degrees.
Model Application pdf Pressure
API 4059 G Pressure sensor vs. pressure transmitter Using a pressure sensor instead of a pressure transmitter for high temperature applications.
API 4059 G Plastics extruder melt pressure API 4059G converts a Dynisco melt pressure sensor signal to 4-20mA for control and monitoring purposes.
API 4300 G Monitor pressure with a PLC Use a powered 4-20mA pressure transducer output with a powered 4-20mA PLC input.
Strain gauge modules Troubleshooting strain gauge sensors Troubleshooting a pressure transducer or load cell/strain gauge bridge with wire color codes.
Model Application pdf Flow and Level
APD 4380 Interface level transmitter with PLC Interface and isolate a Bindicator Level transmitter with a Rockwell Automation PLC.
APD 2000 Monitoring water level in tank Isolate level transmitter and radio modem signals in a municipal water tower.
API 1000 G Monitoring bi-directional flow Alarm trip module to select which flow meter is input to a PLC.
API 7580 G HVAC variable air volume control Convert frequency output of controller to 1-10V for exhaust air valve.
API 7010 G Hall-effect flow sensor Convert square wave output of sensor to 4-20mA input for PLC and local display.
API 7010 G Flow meter pulse to 4-20 mA VFD input Convert water flowmeter pulse output to 4-20mA input for VFD pump drive for graveyard irrigation system.
API 7010 G Flow meter pulse to 4-20 mA PLC input Convert natural gas flowmeter pulse output to 4-20mA input for PLC to record gas useage.
API 7500 G
API 7580 G
Remote control of water tank level Convert 4-20mA to frequency to transmit over large distance, and convert back to 4-20mA.
API 7580 G Control and record water flow Convert flow meter frequency output to 4-20mA for control & recorder input.
API 4300 G Monitor product moved by conveyor Power 4-20mA rate sensor & output 4-20mA for control, computer input & local display.
API 4380 G Isolating signals with a hot swappable unit Sewage lift station instrumentation signal isolation for PLC input card. Hot swappable requirment due to frequent lightning strikes.
API 1000 G
API 4003 G
API 3200 G
Fail safe valve control Command valve to full open If PLC 4-20mA signal is lost.
API 3200 G M420 Flow control with flow meter feedback Operate a valve to accurately control the flow of liquid chemical in a pipeline using a 4-20 mA signal from a flow meter.
API 7580 G
API 1080 G
Auto-ranging flow meter Automatic selection of flow meter for input to PLC.
API 7500 G M02 Monitoring & totalizing flow Add a totalizer to a process flow monitoring system.
API 7580 G
API 7500 G M02
Monitoring & Totalizing flow meter output Add a totalizer to a process flow monitoring system.