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
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.
1600 G Heater break alarm Monitoring critical heater operation.
6010 G-5A
1000 G
Motor current monitor & over current shutdown Monitor and record motor current and provide over current shutdown.
1420 G Motor overheating alarm & shutdown Motor to be shut down if it exceeds its rated temperature by 10 degrees.
1000 G Monitoring bi-directional flow Alarm trip module to select which flow meter is input to a PLC.
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
4003 GI,
4408 G A-B
Milling machine automation Monitor mill cutter motor load and use the feedback signal to optimize material feed rate.
4300 G M01 Motor load control Monitor mill cutter motor load to optimize material feed rate.
4300 G Ext Sup Monitoring motor speed using a PLC Using a powered 4-20mA VSD output with a powered 4-20mA PLC input.
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.
4300 G MO Manual override of computer control Operate a pump at a fixed speed if the computer fails or is shut down for maintenance.
4393 IsoSplitter for pharmaceutical process validation Retrofit pharmaceutical clean rooms so data can be recorded for FDA requirements.
4393 IsoSplitter for 4-20 mA signal splitting Process upgrade requires splitting one 4-20 mA signal into 2 isolated 4-20 mA signals.
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.
2000 Monitor battery room voltage and current Monitor backup battery bank voltage and current for telcom UPS system.
HV-DC
4300
Monitoring power usage on DC motors Monitor voltage and current on a 500V 350A DC motor for a coke furnace.
1090 Motor current alarm Monitor chicken slicer motor current to stay within specified range.
6010 5A Aircraft de-icer burner monitoring Interface output from burner control system to the inputs to the system datalogger.
4300 G M01 Motor load control Monitor mill cutter motor load to optimize material feed rate.
1600 G Heater break alarm Monitoring critical heater operation.
6010 G-5A
1000 G
Motor current monitor & over current shutdown Monitor and record motor current and provide over current shutdown.
6010 G-5A Monitor & display AC motor load Motor load is to be monitored by a computer and displayed locally.
6010 G-5A Monitor computer & process status Set alarm if power is lost to either process or computer, or if computer locks up.
6010 G-5A Monitoring motor speed using current Using motor current draw to indicate of motor speed.
Model Application pdf Position
4003 GI
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.
4003 GI
4408 G A-B
Milling machine automation Monitor mill cutter motor load and use the feedback signal to optimize material feed rate.
4003 GI Controlling damper position Potentiometer output from air damper to 4-20mA input for PLC
4003 GI Manual burner control Convert a potentiometer signal to 4-20 mA for manual burner control for testing.
4300 G M01 Motor load control Monitor mill cutter motor load to optimize material feed rate.
3200 G Air damper position control Asphalt plant damper door postion monitoring.
1000 G
4001 G
4300 G
Monitor and control a dam bubbler Automatic control of dam air bubbler system and crest gate speed.
Model Application pdf Speed, Frequency
4003 GI,
4408 G A-B
Milling machine automation Monitor mill cutter motor load and use the feedback signal to optimize material feed rate.
4003 GI Manual burner control Convert a potentiometer signal to 4-20 mA for manual burner control for testing.
4300 G M01 Motor load control Monitor mill cutter motor load to optimize material feed rate.
7010 G
7500 G
Remote monitoring of motor speed Monitor mixing machine speed with a computer located 1500 feet away across an electrically noisy area.
6010 G-5A Monitoring motor speed using current Using motor current draw to indicate of motor speed.
4300 G Ext Sup Monitoring motor speed using a PLC Using a powered 4-20mA VSD output with a powered 4-20mA PLC input.
4300 G D PWM speed monitor Convert a PWM engine speed signal to DC signal for engine speed monitoring.
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
4058 G
1090 G
Chemical plant Weighing, mixing, tank level
4059 G Platform scale Scale with 4 load cells
4058 G Cargo container weight Container weighing system installed on dockside crains.
4059 G Truck scale Scale with 4 load cells. Total weight is to be displayed, printed out and sent to a computer.
4059 G Dispensing system automation Scale with 3 load cells. Total weight is to be displayed and sent to a PLC.
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.
4130 GL Monitor stack flare burnout Three thermocouples mounted 120 degrees apart monitor stack flare to make sure the flame remains lit.
4001G SA-B Monitor & control differential temperature Monitor heat exchanger differential temperature for a process control computer and local display.
1200 G Furnace over-temperature alarm & shutdown Redundant over-temperature shut down if furnace exceeds its programmed temperature.
1420 G Motor bearing temperature alarm & shutdown Alarm to shut down pump motor if bearing temperature exceeds safe limits.
1420 G Motor overheating alarm & shutdown Motor shut down if it exceeds its rated temperature by 10 degrees.
4001 G SA-B
3200 G
Heat exchanger ΔT Maintaining a constant differential temperature across a heat exchanger.
Model Application pdf Pressure
4059 G Pressure sensor vs. pressure transmitter Using a pressure sensor instead of a pressure transmitter for high temperature applications.
4059 G Plastics extruder melt pressure API 4059G converts a Dynisco melt pressure sensor signal to 4-20mA for control and monitoring purposes.
4408 G A-B
4300 G
1000 G
Phase separator water level control Maintain a tank's water level so that there is a 1% ΔP between two pressure sensors.
4300 G Monitor pressure with a PLC Use a powered 4-20mA pressure transducer output with a powered 4-20mA PLC input.
4051 G M01 Pressure system calibration Calibrating a pressure monitoring system without having to use external test equipment.
4051 G M02 Pressure transducer calibration Calibrating a pressure transducer with an internal calibration resistor.
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
4380 Interface level transmitter with PLC Interface and isolate a Bindicator Level transmitter with a Rockwell Automation PLC.
2000 Monitoring water level in tank Isolate level transmitter and radio modem signals in a municipal water tower.
1000 G Monitoring bi-directional flow Alarm trip module to select which flow meter is input to a PLC.
7580 G HVAC variable air volume control Convert frequency output of controller to 1-10V for exhaust air valve.
7010 G Hall-effect flow sensor Convert square wave output of sensor to 4-20mA input for PLC and local display.
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.
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.
7500 G
7580 G
Remote control of water tank level Convert 4-20mA to frequency to transmit over large distance, and convert back to 4-20mA.
7580 G Control and record water flow Convert flow meter frequency output to 4-20mA for control & recorder input.
4300 G Monitor product moved by conveyor Power 4-20mA rate sensor & output 4-20mA for control, computer input & local display.
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.
1000 G
4003 G
3200 G
Fail safe valve control Command valve to full open If PLC 4-20mA signal is lost.
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.
7580 G
1080 G
Auto-ranging flow meter Automatic selection of flow meter for input to PLC.
7500 G M02 Monitoring & totalizing flow Add a totalizer to a process flow monitoring system.
7580 G
7500 G M02
Monitoring & Totalizing flow meter output Add a totalizer to a process flow monitoring system.