OVERVIEW
• DC Voltage Input: 0-5 mV to 0-1200 mV
• DC Output: 0-1 V, 0-5 V, 0-10 V, +/- 5 V, +/- 10 V, 4-20 mA, etc.
• Strain Gauge Bridge Excitation: 1 to 10 VDC
• Field-Configurable by User
The API 4058 G accepts a strain gauge, bridge, load cell, or a summed input from up to four sensors, and provides
a proportional, non-isolated DC voltage or current output. It includes filtering and processing to allow effective use of lowlevel transducers in the noisy environments found in industrial applications.
The built-in 115 mA bridge excitation power supply generates a stable source of excitation voltage to drive from one to four 350 Ω (or greater) bridge type sensors such as load cells, pressure transducers and strain gauges The API 4058 G amplifies and converts the resulting millivolt signal into the selected output.
Input, output, excitation, and zero offset are field configurable, via external rotary and slide switches. Common ranges are on the module label. An offset switch is standard for applications requiring cancellation of sensor offsets or non-zero deadweights (taring). Zero and span potentiometers allow calibration of the output.
Options:
TECHNICAL SPECIFICATIONS
Input
Field Rangeable; Via external rotary & slide switches
Minimum range: 0 to 5 mV
Maximum range: 0 to 1200 mV
Minimum sensitivity: 0.5 mV/V
Maximum sensitivity: 120 mV/V
Millivolt output range is determined by the sensitivity of the sensor (mV/V) and the excitation voltage applied
mV/V sensitivity X excitation voltage = total mV range
Output
Field Rangeable; Via external rotary & slide switches
Voltage: 0-1 VDC to 0-10 VDC
or
Bipolar Voltage: +/- 1 VDC to +/- 10 VDC
or
Current (20 V compliance): 0-1 mADC to 0-20 mADC
Excitation
Field Rangeable; Via external rotary & slide switches
Range: 1 to 10 VDC, 115 mA max.
Features
Drive up to Four 350 Ω Bridges
Adjustable Excitation Power Supply
One Minute Setup for Hundreds of I/O Ranges
Easy-to-use External Switches for Setup
Hot-Swappable Plug-In Design
Input and Output LoopTracker® LEDs
Adjustable Output Test
Internal Calibration Resistor Option
Applications
Load Cell Weighing Systems and Scales
Strain Gauge Pressure Sensors and Transducers
Tanks, Scales, Extruder Melt Pressure, Crane Loads