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Home » Shop » hot sale » OPTO 22 – SNAP-AILC _ SNAP Load Cell Input Module, 10 VDC Excitation, 2 or 3 mV/V Input Sensitivity

OPTO 22 – SNAP-AILC _ SNAP Load Cell Input Module, 10 VDC Excitation, 2 or 3 mV/V Input Sensitivity

Original price was: $324.00.Current price is: $251.41.

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OPTO 22 – SNAP-AILC _ SNAP Load Cell Input Module, 10 VDC Excitation, 2 or 3 mV/V Input Sensitivity

OPTO 22 – SNAP-AILC _ SNAP Load Cell Input Module, 10 VDC Excitation, 2 or 3 mV/V Input Sensitivity

Quick Specs:

  • SNAP Load Cell Input Module
  • 10 VDC Excitation
  • 2 or 3 mV/V Input Sensitivity

The SNAP-AILC input module works with 2 mV/V and 3 mV/V load cells as a load cell front end. Using a separate 24 VDC power source (purchased separately), the module provides isolated 10 VDC bridge excitation for up to four 350 ohm or 415 ohm load cells.

An LED on the module’s top indicates that 24 VDC are present at the top connector and that excitation is being provided to the load cell.

Part of the SNAP PAC System, the module mounts on a SNAP PAC rack with a SNAP PAC brain or rack-mounted controller. Analog, digital, and serial I/O modules can all be on the same rack. Such an I/O unit is also well suited for PC-based control or for use as intelligent remote I/O for an Allen-Bradley Logix PLC system, such as ControlLogix, MicroLogix, or CompactLogix.

NOTE: In addtion to SNAP PAC brains and R-series controllers, this module also works with the following legacy brains, if they have firmware version R6.1c or newer: SNAP-B3000-ENET, SNAP-ENET-S64, SNAP-UP1-ADS, and SNAP-UP1-M64.

Also see the SNAP-AILC-2, which works with 3 mV/V and 4 mV/V load cells.

Build your system in the SNAP I/O Configurator.

Specifications:

Input Range Sensitivity:
 SNAP-AILC
 SNAP-AILC-2

  

2 mV/V or 3 mV/V (Over range ± 2.2 mV or ± 3.3 mV)
3 mV/V or 4 mV/V (Over range ± 3.3 mV or ± 4.4 mV)

Input Resistance

100 Megohms differential

Resolution: Analog Scale Points

>22 bits + sign (± 6,400,000 counts = ± 100% of scale)

Response Time,
Data Freshness

See the following table

DC Reversal (Input)

0.015% (±1000 counts of reading @ 6,400,000 F.S.)

DC Common Mode Rejection

>-120 dB

AC Common Mode Rejection

>-120 dB @ 60 Hz

Maximum Survivable Input

± 15 volts across module load cell connector

Maximum Operating Common Mode Voltage

250 V

Accuracy (% Full Scale):
 Offset
 Gain

  

± 0.05% (= 3,200 counts out of 6,400,000, out of box)
± 0.05% (= 3,200 counts out of 6,400,000, out of box)

Usable Resolution at Default Configuration (Fast)

38 nV – sign and 19 bits (±524,288 counts @ channel 2)
At filter weight 64, settles to 99.9% of final reading in 3.9 s.

DRIFT:
 Gain
 Offset

  

40 PPM / °C
10 PPM / °C

Isolation: Optical

4000 V

Isolation: Transformer

1500 V

Rack Power Requirements

5.00 VDC to 5.20 VDC @ 120 mA

24V Bridge Supply:
 Input Voltage
 Input Current
 Output Fault Current

  

24 VDC nominal (22 V min. to 30 V max.)
40 mA for one load cell or 115 mA for four load cells
124 mA typical (field faultshorted bridge)

Ambient Temperature:
 Operating
 Storage

  

-20 to 70 °C
-40 to 85 °C

Humidity

5-95%, non-condensing

Wire size

22 to 14 AWG

Torque, hold-down screws

4 in-lb (0.45 N-m)

Torque, connector screws

5.26 in-lb (0.6 N-m)

Agency Approvals

CE, RoHS, DFARS

Warranty

Lifetime