A2P Load Cell Amplifiers

The ANYLOAD A2P is a rail-mounted analogue amplifier designed for conditioning the signal from strain gage load cells in industrial weighing and force measurement systems. It accepts an input range of 0 ± 36 mV and delivers a 0 ± 10 V or 4-20 mA output, with linearity of 0.02% or better and low temperature drift on both the voltage and current outputs. Engineers, OEM designers, and system integrators benefit from its high and low temperature accuracy and stability, multiple magnification ranges, and a choice of 5 V or 12 V load cell excitation. The A2P connects directly to one or two load cells, or to up to eight 350 ohm load cells through a junction box, and includes anti-EFT and anti-radiation interference protection for dependable operation in electrically noisy environments.

The standard rail channel mounting for indoor use and the compact PVC-cast enclosure make it easy for installation. The datasheet provides a full dimensional drawing and table in millimeters and inches, along with a connection diagram showing the load cell inputs, 24 V DC supply, excitation selection, zero and span adjustment, output terminals, and gain switches. Documented specifications include power supply, maximum power consumption, maximum input offset voltage, common-mode rejection ratio, tare limit, and an operating temperature range of -10 to 50 °C (14 to 122 °F). Everything needed to wire, configure, and mount the amplifier is in one place, so you can install it without guesswork.

Two models are available: the standard A2P-D2 and the A2P-D2B, which is compatible with Balluff IO-Link modules. The A2P-D2B pairs with the Balluff BNI IOL-709-000-K006, BNI IOL-710-000-K006, BNI IOL-712-000-K023, and BNI IOL-714-000-K023 modules, allowing the analogue signal to be passed to an IO-Link device. The A2P carries the CE mark.

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Features

  • High and low temperature accuracy with high stability
  • Can be connected directly to 1 or 2 load cells, or connected to up to 8 x 350Ω load cells through a junction box
  • Supports multiple magnification ranges, with two excitation voltage options available
  • Anti-EFT (Electrical Fast Transient pulses) interference and anti-radiation interference
  • A2P-D2B model compatible with Balluff IO-Link modules
  • CE certified

Specifications

Load Cell Type All strain gage type
Power Supply 24 V DC
Input Range 0 ± 36 mV
Max. Power 4.35 W
Output Signal 0 ± 10 V; 4 – 20 mA
Voltage Full Scale Temperature Drift 50 ppm/°C
Current Full Scale Temperature Drift 80 ppm/°C
Linearity ≤ 0.02%
Max. Input Offset Voltage 50 µV
Min. Common-mode Rejection Ratio (G=10) 100 dB
Installation Standard rail channel (Indoor)
Enclosure Material PVC casting
Excitation Voltage to Load Cell 5 V or 12 V
Tare Limit Shall not exceed 30% of full load
Operating Temperature Range -10°C to 50°C / 14°F to 122°F
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