Absolute Process Instruments APD 4400 D _ Specify VDC or mADC range

Cecomp Electronics, APD 4400 D, DC to DC Signal Conditioner with Math Function, (A+B+C+D)/4 Function, 9-30VDC/10-32VAC Power

Features:

Add, Subtract, Average, Multiply, Divide
Square Root, Square, Custom Math Function
Factory Set Custom I/O Ranges
1200 V Input/Output/Power Isolation
Input LoopTracker® LED and Functional Test Button
Built-In Loop Power Supply for Output

Applications:

Average Output From Metering Pumps
Linearize Output From Flow Meter
Output Differential Between Two Flow Meters

The APD 4400 D provide an optically isolated DC voltage or current output that is calculated from the mathematical function built in to the module.

Full 3-way isolation (input, output, power) makes this module useful for ground loop elimination, common mode signal rejection or noise pickup reduction. The inputs are not isolated from each other.

The APD 4400 D Transmitters can be wired to allow a mA output to be either sinking (passive) or sourcing (active).

LoopTracker

API exclusive features include a green LoopTracker LED that varies in intensity with changes in the process input signal. It provides a quick indication of your process input at all times and can greatly aid in saving time during initial startup and/or troubleshooting.

Functional Test

An API exclusive feature includes the Functional Test Button to provide a fixed output (independent of the input) when enabled. The test output level is potentiometer adjustable from 0 to 100% of output span. The functional test button can greatly aid in saving time during initial startup and/or troubleshooting.

Specifications Table:

Input	0-50 mV to 0-10 VDC, ±25mV to ±10VDC, 0-1 mA to 0-20 mADC, ±0.5 to ±20 mA
Output	0-1 V to ±10 VDC or 0-2 mA to 0-20 mA, 4-20 mA
Function	(A + B + C + D) / 4
DC Input Range	Factory configured, please specify each input range. Consult factory for special ranges and/or functions. Each input can have different ranges and/or units. Specify order of math functions if required. Milliamp inputs are sinking. APD 4400 D can have a scaling or weighting factor for each input. Division factor not included in formula. Voltage: 0-50 mVDC to 0-10 VDC Bipolar voltage: ±25 mVDC to ±10 VDC Current: 0-1 mADC to 0-20 mADC Bipolar current: ±0.5 mADC to ±20 mADC
Input Impedance	Voltage: 50 kÎ© minimum Current: 50 Î© nominal
Balance Between Inputs	Better than ±0.5% of span
DC Output Range	Factory configured, please specify output range Voltage, 10 mA max.: 0-1 VDC to 0-10 VDC Bipolar voltage: ±1 VDC to ±10 VDC Current: 0-2 mADC to 0-20 mADC, 20 V compliance, 1000 Î© at 20 mA Milliamp output can be field wired for sink or source
Output Calibration	Multi-turn zero and span potentiometers for each output channel ±15% of span adjustment range typical
Output Loop Power Supply	20 VDC nominal, regulated, 25 mADC, <10 mVRMS max. ripple. May be selectively wired for sinking or sourcing mA output
Output Test	Front button sets output to test level. Enabled via pushbutton. Default setting approximately 50% of span Potentiometer adjustable 0-100% of span
Output Ripple and Noise	Less than ±0.2% of span
Linearity	Better than ±0.25% of span
Ambient Temperature Range and Stability	10°C to +60°C operating ambientBetter than ±0.02% of span per °C stability
Response Time	50 milliseconds, nominal per channel used
Isolation	1200 VRMS minimum Full isolation: power to each input, power to output, each input to output. Non-isolated: input to input
Housing	IP 40, requires installation in panel or enclosure For use in Pollution Degree 2 Environment Mount vertically to a 35 mm DIN rail
Connectors	Four 4-terminal removable connectors, 14 AWG max wire size
Power	9-30 VDC or 10-32 VAC 50/60 Hz, 4 W maximum

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