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        SNAP-AIV-8

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        Opto 22 SNAP-AIV-8 is an eight-channel SNAP PAC analog voltage input module that converts -10 to +10 V or -5 to +5 V field signals into controller input data.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for SNAP-AIV-8

        • Manufacturer:
          OPTO22
        • Part Number:
          SNAP-AIV-8
        • Product Family:
          OPTO22
        • Product Type:
          Analog Voltage Input Module
        • Stock:
          1
        • Selectable input ranges:
          -10 to +10 V DC; -5 to +5 V DC
        • Over-range limits:
          -11 to +11 V; -5.5 to +5.5 V
        • Resolution:
          0.4 mV at ±10 V; 0.2 mV at ±5 V
        • Input filtering:
          -3 dB at 64 Hz
        • Maximum data freshness:
          0.28 s
        • DC common-mode rejection:
          >-120 dB
        • AC common-mode rejection:
          >-120 dB at 60 Hz
        • Maximum survivable input:
          220 V AC or 300 V DC
        • Maximum operating common-mode voltage:
          250 V
        • Accuracy:
          0.05%; 5 mV at 10 V DC; 2.5 mV at 5 V DC
        • Isolation:
          1500 V module-to-system
        • Rack power requirement:
          5 V DC ±0.15 V at 170 mA
        • Input resistance:
          1 MΩ; shared reference point
        • Operating temperature:
          -20 to +70 °C
        • Storage temperature:
          -40 to +85 °C
        • Humidity:
          5-95%, non-condensing
        • Connector screw torque:
          1.7 in-lb (0.19 N·m)
        • Estimated shipping dimensions:
          8.26x9x1.88cm
        • Tariff Code:
          8538900000
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Input Ranges Reference Wiring Signal Timing Rack Installation

        Features:

        • Converts eight single-ended field voltage signals for a SNAP PAC controller or brain.
        • Allows each channel to use either a ±10 V or ±5 V measurement range.
        • Isolates the complete module from the rack processor while all channels share one reference.
        Opto 22 SNAP-AIV-8 places eight voltage channels in one SNAP PAC rack position and supplies their converted values to the installed processor.

        Range selection changes the accepted span and measurement resolution without changing the shared-reference wiring arrangement.

        Rack power, data freshness, common-mode voltage, and ambient limits define the boundary for integrating the module with field sources.

        The Opto 22 SNAP-AIV-8 Analog Voltage Input Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Opto 22 SNAP-AIV-8 Analog Voltage Input Module Manuals,Datasheets,LinkImportant Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

        Channel span and resolution

        • Wide range: Each input can measure from -10 to +10 V DC.
        • Narrow range: Each input can instead measure from -5 to +5 V DC.
        • Wide-range increment: The ±10 V configuration resolves 0.4 mV.
        • Narrow-range increment: The ±5 V configuration resolves 0.2 mV.

        Shared return organization

        • Eight inputs: Channels 0 through 7 terminate on the two front connectors.
        • Common reference: All channels use one electrical reference point.
        • Internal terminals: Reference terminals 2, 4, 6, and 8 are internally connected on both connectors.
        • Isolation boundary: The module is isolated from the rack processor, not between individual channels.

        Conversion and rejection limits

        • Freshness: A changed field value is reflected within the 0.28 s maximum data-freshness interval.
        • Filter: The input response is filtered at -3 dB at 64 Hz.
        • DC rejection: Documented common-mode rejection is greater than -120 dB.
        • AC rejection: Common-mode rejection remains greater than -120 dB at 60 Hz.

        Position, power, and fastening

        • Rack position: The module can occupy any SNAP PAC rack module connector.
        • Processor pairing: SNAP PAC brains and R-series rack controllers support the eight-channel input module.
        • Rack supply: The module draws 170 mA from a 5 V DC ±0.15 V source.
        • Fastening: Hold-down screws are limited to 1 in-lb and connector screws to 1.7 in-lb.
        Description
        Opto 22 SNAP-AIV-8 is an eight-channel analog voltage input module for SNAP PAC brains and rack-mounted controllers. It receives field voltage on eight single-ended channels and transfers the converted values through the SNAP rack to the control strategy.

        Each channel of SNAP-AIV-8 can be configured for either -10 to +10 V DC or -5 to +5 V DC operation. The wider range resolves 0.4 mV steps, while the narrower range resolves 0.2 mV steps, so the selected range determines both accepted span and measurement increment.

        All eight inputs on SNAP-AIV-8 share one reference point. The module applies a -3 dB input filter at 64 Hz and refreshes converted data within 0.28 seconds, while the common-mode limits define the voltage relationship that the shared channels may have to the rack electronics.

        Installed in any SNAP PAC rack position, SNAP-AIV-8 draws 170 mA from the 5 V DC rack supply and provides 1500 V isolation from other modules and the I/O processor. The isolation boundary is module-to-system rather than channel-to-channel, so every connected source must remain compatible with the common reference terminal.
        Alternative Names
        SNAPAIV8 SNAP AIV 8 SNAP-AIV 8 OPTO22 SNAP-AIV-8 Opto 22 SNAP AIV 8 SNAP-AIV-8 Analog Input Module SNAP-A1V-8 SNAP-AIV-B
        Technical notes
        Opto 22 SNAP-AIV-8 is the eight-channel shared-reference voltage-input execution documented in Form 1065; keep the complete -8 suffix when matching channel count and rack compatibility.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        Which voltage ranges can be assigned to Opto 22 SNAP-AIV-8?
        Opto 22 SNAP-AIV-8 lets each of its eight channels use either -10 to +10 V DC or -5 to +5 V DC, so the configured range must match the connected source.
        Does Opto 22 SNAP-AIV-8 isolate every channel from the others?
        No. Opto 22 SNAP-AIV-8 isolates the complete module from the rack processor, but all eight field channels share one reference point.
        How quickly can Opto 22 SNAP-AIV-8 report a changed signal?
        The maximum data-freshness interval of Opto 22 SNAP-AIV-8 is 0.28 seconds, which should be checked against the required update rate before selection.
        What happens to resolution when Opto 22 SNAP-AIV-8 uses the ±5 V range?
        On the ±5 V range, Opto 22 SNAP-AIV-8 resolves 0.2 mV rather than the 0.4 mV increment used for the ±10 V range.
        Which rack processors are documented for Opto 22 SNAP-AIV-8?
        Opto 22 SNAP-AIV-8 is documented for SNAP PAC brains and R-series rack-mounted controllers, including standard wired and Wired+Wireless models.
        What wiring detail must be checked before landing sources on Opto 22 SNAP-AIV-8?
        Because Opto 22 SNAP-AIV-8 internally joins the reference terminals, every source must be compatible with the shared reference and 250 V maximum operating common-mode limit.

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