Allen-Bradley 1746SC-INO4I Analog Output Module

Engineers choose the 1746SC-INO4I for reliable process control. This Allen-Bradley module delivers four isolated current outputs. Spectrum Controls builds it in the USA. Moreover, it integrates seamlessly with SLC 500 systems. Users gain precise analog signals without external isolators.

The module supports multiple output ranges. Engineers configure each channel independently. Additionally, 16-bit resolution ensures fine control. The device updates all channels in 33.7 milliseconds. Consequently, fast response suits dynamic applications.

Key Specifications

• Channels: 4 isolated analog current outputs

• Output Ranges:

• Current: 4-20 mA, 0-20 mA

• Voltage: 0-10 V DC, ±10 V DC

• Resolution: 16-bit (1 in 4096)

• Accuracy: ±0.1% of full scale

• Isolation: 750 V DC channel-to-channel, field to backplane

• Update Rate: 33.7 ms for all 4 channels

• Step Response: 1 ms

• Power Dissipation: 4.5 W maximum

• Backplane Current: 200 mA at 5 V DC

• Operating Temperature: 0°C to 60°C

• Slot Width: 1 slot in SLC 500 chassis

• Dimensions: 5.5 x 1.4 x 5.7 inches (HxWxD)

• Weight: 0.55 lbs (250 g)

• Connectors: Removable terminal block, 18-14 AWG wire

• Certifications: UL, CE, Class I Div 2

Advanced Features

The 1746SC-INO4I eliminates ground loops through full isolation. Each channel operates independently. Users program safe states for fault conditions. Furthermore, continuous temperature compensation maintains accuracy. No field calibration ever becomes necessary.

Engineers appreciate the removable terminal block. It simplifies wiring and maintenance. The module draws minimal backplane power. Thus, it fits dense control panels. LED indicators show channel status clearly.