Multi-Function, Multi- Channel Input for a Wide       Range of Applications

TouchCAL Technology for Easy Non-Interactive       Zero and Span Adjustments

Provides Math Function Capability Supporting       Many Process Control Functions

Switch Selectable or PC Programmable Ranges       for the Greatest Flexibility in Installation

Functions as Either a DCFrequency or       Frequency- DC Converter for use in       Totalization/Integration Applications

Three Year Warranty

The ActionI/Q model Q498 is a DC powered, DIN rail mount, DC input signal conditioner. The unit is fully isolated to 1800V between input, output and power. The Q498 has two isolated analog inputs that each accept either a DC voltage or current input signal. The one analog output delivers either DC bi-polar voltage or uni-polar current. The Q498 also has a separate frequency input channel and a frequency output, as well as a discrete input and output channel. The field configurable input and output feature offers flexible, wide ranging capability for DC current and voltage signals. The Q498 can also be configured via a PC with the optional C698 Windows based GUI software.

The Q498 also has the added capability of being able to perform math calculations on the input values. This provides the ability to perform single or double input math functions. The frequency input can also have the math functions applied (with the exception of the Sq and Sqroot). The available operators are: +, -, *, / , Sq, Sqroot & Average. Process control functions include Hi/Lo Select (utilizes the Digital Output for channel identification), Rate of Change Limiter and Track & Hold (utilizes the Digital Input for the hold control). A 25-point linearization function is available for Channel 1 Analog input only. All ouput math and process control functions require the C698 software.

The field configurable input of the Q498 can be set via DIP switches.The Q498 has several voltage and current input ranges from which to choose. Voltage input ranges are; ±150mV, ±1.5V, ±15V & ±150V. The current input ranges are; ±2.5mA and ±25mA. All of the ranges are fully adjustable over a ³90% range from zero or span. Simply choose the range closest to your needs and perform the calibration based upon your zero and span values.

There are three analog output ranges, 0 to 20mA, 0 to 10VDC and –10 to +10VDC. These ranges are also fully adjustable. If your application requires a 4-20mA output, simply choose the 0-20mA range and calibrate with your zero point at 4mA. The Math Functions can be used to scale the output.

The frequency section has two different inputs. The difference is in the voltage level that can be applied. Only one of the inputs can be active at a time. The LoV input supports signals with amplitudes from 150mVp to 5Vp (50Vrms max) and the HiV input supports signals between 500mVp and 20Vp (150Vrms max). The frequency range is from 2Hz to 10kHz in software selectable ranges.