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Action Instruments ActionI/Q® AC Powered 

Four-wire Transmitters & Alarms Selection Guide

Input Selection Typical Application Description Model (Channels)
DC Voltage or Current
(V, mV, A, mA)
Process alarming, DC to DC isolation, voltage/current scaling and conversions for PLC and DCS I/O interface DC limit alarm Q106 (2 setpoints)
DC isolator (fast response time) Q403 (1, 2)
Field configurable DC isolator, optional excitation supply and dual outputs  Q406 (1, 2)
Potentiometer
(0-100 ohm up to 0-100K ohm) 
Position feedback, setpoint transmitter, level transmitter Field configurable potentiometer to DC signal conditioner Q436
RTD
(PT 100 ohm, 
NI110 ohm, CU10 ohm)
Temperature, alarming, motors, HVAC, process safety  RTD limit alarm Q116 (2 setpoints)
Temperature transmitting, monitoring, signal isolation Instant Accuracy temperature to DC isolator Field configurable via DIP switch or PC Q486
Thermocouple
(Types B, C, E, J, K, N, R, S, T)
Temperature, alarming, motors, HVAC, process safety  Field configurable t/c 
limit alarm
Q126 (2 setpoints)
Temperature transmitting, monitoring, signal isolation Instant Accuracy temperature to DC isolator Field configurable via DIP switch or PC Q486
Frequency  Motor speed, rate, flow monitoring Field configurable frequency to DC isolator Q476
Strain Guage
(0.5, 1, 3, 5, 10, 20, 50mV/V) 1 to 10V adjustable excitation
Pressure control, pressure status monitoring, weight, load cell conditioning and data acquisition Bridge input field configurable isolator Q446
AC Voltage or Current
(V, mV, A, mA)
Voltage/current scaling, power monitoring, isolation, buffering AC input field configurable isolator Q466
The ActionI/Q DIN rail mount package was developed to reduce the cost of signal conditioning. The two primary design considerations were to house as many channels of isolated I/O as possible and to reduce the wiring requirements in terms of the number of power connections and I/O disconnects. The idea was that providing more I/O channels per module would reduce per channel material cost and the wiring savings would make cost of ownership low in the long run. 

The result was a narrow ¾ inch, plug in, DIN rail mount package with the capability to fit two full size printed circuit boards and provide up to 22 terminals for plug-in I/O. The ActionI/Q now enables Action Instruments to provide some of the most cost effective signal conditioning and isolation solutions in the world. Examples include the four channel RTD transmitter (model Q510) and the four channel (4-20mA) loop powered isolator (model Q500), from the Original ActionI/Q Series of multi-channel transmitters.

AC ActionI/Q Series

The AC powered ActionI/Q Series of four-wire transmitters offers many of the most advanced microprocessor and ASIC based signal conditioning solutions available. Field configurable and wide ranging, these modules are an off the shelf solution for most isolation, signal conditioning and limit alarm applications. 

The benefits enjoyed by the users include lower spares inventories and quick availability for DC, RTD, thermocouple, potentiometer, strain gage, AC and frequency input signal applications. Push button calibration with Action's unique TouchCal technology provides benefits in terms of increased stability, higher repeatability and accuracy since it replaces adjustment potentiometers which can be thermally sensitive and mechanically less reliable. Additional cost of ownership benefits are realized in terms of reduced calibration time from TouchCal technology and wiring savings from the I/QRail. The I/QRail is used to power all AC ActionI/Q modules and provides an added level of safety. 

For temperature measurement, the model Q486 with patented Instant Accuracy cold junction compensation technology, is twice as accurate and four times as stable as older temperature measurement instruments. It can be field configured using DIP switches or PC configured, which reduces set up time to seconds.

DC Input, Field Configurable Limit Alarm

Q106

 
Provides relay contact closures at a preset DC input level
  • Easy field configurable input ranges  TouchCAL™ technology for precise setpoint calibration  Adjustable setpoints: programmable HI/LO and Failsafe/Non-failsafe  High density DIN rail mounting  Universal AC power: 85 to 265VAC  24 VDC tranducer excitation  SnapLoc™ plug-in terminals for low MTTR  ASIC technology for high reliability 
  • Lifetime warranty
DC Input, Field Configurable Limit Alarm
The ActionI/Q model Q106 is a DIN rail mount, DC voltage or current input limit alarm with dual setpoints and two contact closure outputs. The field configurable input and alarm functions offer flexible setpoint capability. Input voltage spans from 10mV to 200V and input current from 1mA to 100mA. Bipolar inputs are also accepted. The Q106 is CSA and UL certified, and designed to exceed CE Mark requirements. 

DC Input Multi-channel Isolator

Q403

Provides 1 or 2 fully isolated DC output signals in proportion to 1 or 2 DC inputs
  • Fast response 3500Hz bandwidth
  • Multi-channel design provides 1 or 2 four-wire transmitters in a single package
  • Protects equipment and prevents ground loops with 2000VAC isolation
  • High density DIN rail mounting 
  • Universal AC power: 85 to 265VAC LED trip and input indicators 
  • SnapLoc™ plug-in terminals for low MTTR 
  • Three year warranty
DC Input Multi-channel Isolator
The ActionI/Q model Q403 is a DIN rail mount, DC input signal conditioner with 2000VAC isolation between input, output and power. Factory configured input and output ranges support bipolar voltage signals. Typical applications of four-wire transmitters include accepting inputs from various field instruments (e.g. level, flow, pressure) and converting them into standard industrial signals to be monitored by a DCS or PLC. The Q403 is CSA and UL certified, and designed to exceed CE Mark requirements.

DC Input, Field Configurable Isolator

Q406

Provides 1 or 2 fully isolated DC output signals in proportion to 1 or 2 DC inputs
  • Easy field configurable input and output ranges
  • TouchCAL™ technology for precise calibration
  • Multi-channel design provides 1 or 2 transmitters in a single package
  • Protects equipment and prevents ground loops with 1800VDC isolation
  • High density DIN rail mounting 
  • Universal AC power: 100 to 240VAC SnapLoc™ plug-in terminals for low MTTR ASIC technology for high reliability
  • Lifetime warranty
DC Input, Field  Configurable Isolator
The ActionI/Q model Q406 is a DIN rail mount, DC input signal conditioner with 1800VDC isolation between input, output and power. The field configurable input and output offers flexible wide ranging capability for DC current and voltage signals. An optional feature of the Q406 is a 24VDC excitation source common to the input and isolated from AC power. Typical applications include isolation, converting signal levels and providing signal drive. The Q406 is CSA and UL certified, and designed to exceed CE Mark requirements.

Potentiometer Input Signal Conditioner

Q436

-Provides a DC output signal in proportion to a potentiometer input-
  • Easy field configurable output ranges 
  • Wide ranging zero and span with 80% adjustability
  • Protects equipment and prevents ground loops with 1800VDC isolation
  • High density DIN rail mounting 
  • Universal AC power: 85 to 265VAC
  • SnapLoc™ plug-in terminals for low MTTR ASIC technology for high reliability
  • Lifetime warranty
The ActionI/Q model Q436 is a DIN rail mount, potentiometer input signal conditioner with 1800VDC isolation between input, output and power. The input provides a constant voltage and is designed to accept any three-wire potentiometer from 100W to 100KW. The field configurable output is switch selectable for DC current and voltage. Typical applications include transmitting process control setpoints to remote PID controllers or interfacing position or level sensors to DAC systems. The Q436 is CE Mark compliant, and designed to exceed CSA and UL requirements.

RTD Input Field Configurable Limit Alarm

Q116

Provides relay contact closure(s) at a preset RTD/Resistance input level 
  • Easy field configurable input ranges 
  • TouchCAL™ technology for precise setpoint calibration 
  • Adjustable setpoints: programmable HI/LO or
  • Failsafe/Non-failsafe  High density DIN rail mounting 
  • Universal AC power: 85 to 265VAC LED trip and input indicators 
  • SnapLoc™ plug-in terminals for low MTTR  ASIC technology for high reliability 
  • Lifetime warranty
RTD Input Field Configurable Limit Alarm
The ActionI/Q model Q116 is a DIN rail mount, RTD input limit alarm with dual setpoints and two contact closure outputs. The field configurable input and alarm functions offer flexible setpoint capability. There are up to eight temperature ranges available for each RTD type to ensure accuracy and maximize setpoint resolution. The Q116 is CSA and UL certified, and designed to exceed CE Mark requirements. 

Temperature Input Isolator

Q486

Provides an isolated DC output signal in proportion to a temperature input
  • Instant Accuracy™ technology ensures superior measurement accuracy 
  • Easy field configurable input and output ranges PC or DIP switch configuration 
  • TouchCAL™ technology for precise calibration
  • Protects equipment and prevents ground loops with 1800VDC isolation
  • Universal AC power: 85 to 265VAC
  • High density DIN rail mounting
  • SnapLoc™ plug-in terminals for low MTTR
  • Lifetime warranty
The ActionI/Q model Q486 is a DIN rail mount, temperature input signal conditioner with 1800VDC isolation between input, output and power. The field configurable input can be set via PC or DIP switches for RTD, thermocouple, mV or ohm inputs. The field configurable output is selectable for any range from 0 to 20mA or 0 to 10V DC. Typical uses include eliminating ground loops in any temperature measurement application and providing an interface to data acquisition and control systems. The Q486 is CSA and UL certified, and CE Mark compliant.

Thermocouple Input, Field Configurable Limit Alarm

Q126

Provides relay contact closure(s) at a preset temperature input level 
  • Easy field configurable input ranges 
  • TouchCAL™ technology for precise setpoint calibration 
  • Adjustable setpoints: programmable HI/LO or Failsafe/Non-failsafe 
  • High density DIN rail mounting 
  • Universal AC power: 85 to 265VAC
  • LED trip and input indicators 
  • SnapLoc™ plug-in terminals for low MTTR 
  • ASIC technology for high reliability 
  • Lifetime warranty
Thermocouple Input, Field Configurable Limit Alarm
The ActionI/Q model Q126 is a DIN rail mount, thermocouple input limit alarm with input terminal cold junction compensation (CJC), dual setpoints and two contact closure outputs. The field configurable input and alarm functions offer flexible setpoint capability. There are up to six temperature ranges available for each thermocouple type to ensure accuracy and maximize setpoint resolution. A bipolar input switch is provided for temperatures below 0°C. The Q126 is CSA and UL certified, and designed to exceed CE Mark requirements.

Frequency Input, Field Configurable Isolator

Q476

Provides an isolated DC output signal in proportion to an input frequency
  • Easy field configurable input and output ranges
  • TouchCAL™ technology for precise calibration
  • Protects equipment and prevents ground loops with 1800VDC isolation
  • Universal AC power: 85 to 265VAC
  • High density DIN rail mounting
  • SnapLoc™ plug-in terminals for low MTTR ASIC technology for high reliability
  • Lifetime warranty
Frequency Input, Field Configurable Isolator
The ActionI/Q model Q476 is a DIN rail mount, frequency input signal conditioner with 1800VDC isolation between input, output and power. The field configurable input can be set via DIP switches for frequency inputs ranging from 2Hz to 10KHz. The field configurable output is switch selectable for up to 5 DC current and voltage ranges. Typical applications include interfacing pulse output transducers, such as turbine flow meters and magnetic pickups, to data acquisition and control systems. The Q476 is CSA and UL certified, and designed to exceed CE Mark requirements.

Bridge Input, Field Configurable Signal Conditioner

Q446

Provides an isolated DC output signal in proportion to a bridge/strain-gauge input
  • Easy field configurable input and output ranges
  • Adjustable bridge excitation
  • TouchCAL™ technology for precise calibration
  • Protects equipment and prevents ground loops with 1800VDC isolation
  • Universal AC power: 85 to 265VAC
  • SnapLoc™ plug-in terminals for low MTTR
  • ASIC technology for high reliability
  • Lifetime warranty
Bridge Input, Field Configurable Signal conditioner
The ActionI/Q model Q446 is a DIN rail mount, bridge/strain-gauge input signal conditioner with 1800VDC isolation between input, output and power. The field configurable input can be set via DIP switches for any one of 11 voltage ranges from 10mV to 200mV. The field configurable output is switch selectable for up to 5 DC current and voltage ranges. Typical applications include isolating ground loops and interfacing bridge sensors to DAC systems. The Q446 is CE Mark compliant, and designed to exceed CSA and UL requirements.

AC Input Signal Conditioner

Q466

Provides an isolated DC output signal in proportion to an AC input
  • Easy field configurable input and output ranges
  • TouchCAL™ technology for precise calibration
  • Protects equipment and prevents ground loops with 1800VAC isolation
  • Universal AC power: 85 to 265VAC
  • High density DIN rail mounting SnapLoc™ plug-in terminals for low MTTR
  • ASIC technology for high reliability
  • Lifetime warranty
AC Input Signal Conditioner
The ActionI/Q model Q466 is a DIN rail mount, AC input signal conditioner with 1800VAC isolation between input, output and power. The field configurable input can be set via DIP switches for AC inputs ranging from 5mA to 100mA or 50mV to 300V. The field configurable output is switch selectable for up to 5 DC current and voltage ranges. Typical applications include energy management, load shedding, motor current monitoring, locked rotor detection, isolation and data acquisition. The Q466 is CE Mark compliant, and designed to exceed CSA and UL requirements.

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