Products

Allen-Bradley 1746-NIO4I Combination Analog I/O Module

Manufacturer: Allen-Bradley
Model / Part Number: 1746-NIO4I
Product type: SLC 500 combination analog I/O module (2 inputs + 2 current outputs), single-slot
Input channels: 2 differential inputs, voltage or current selectable per channel, not individually isolated
Current input range: -20 to +20 mA (normal); absolute maximum -30 to +30 mA
Voltage input range: -10 to +10 V dc – 1 LSB
Input converter: 16-bit; current resolution 1.22070 uA/LSB (250 ohm input impedance); voltage resolution 305.176 uV/LSB (1M ohm)
Output channels: 2 analog current outputs, not individually isolated
Current output range: 0 to +20 mA normal (0 to +21 mA – 1 LSB with 5% overrange)
Output converter: 14-bit, R-2R ladder; resolution 2.56348 uA/LSB; load range 0 to 500 ohm
Backplane current draw: 55 mA at 5 V dc; 145 mA at 24 V dc
Isolation / update time: Field wiring to backplane 500 V dc; 512 us update, all channels in parallel
Environment: Operating 0 to +60 C; storage -40 to +85 C; 5 to 95% RH non-condensing
Lifecycle status: Discontinued (2021-04-29); repair options available; engineering replacement category

Availability & Delivery

Availability shown is for reference only and will be confirmed at the time the order is processed.
Published quantities may change without prior notice.
The customer is responsible for verifying part number and specifications before confirming the purchase.
Certain products may be considered special order items depending on availability.

Industrial Parts Specialists