1746-NIO4V | Allen-Bradley | SLC500 Analog Combination Module

Overview

The 1746-NIO4V is an analog combination I/O module designed for the SLC500 system. It features two configurable input channels (voltage or current) and two non-isolated voltage output channels.

Technical Specifications

• Input Channels: 2 (Differential Voltage / Current)
• Current Input Range: -20 to +20 mA
• Voltage Input Range: -10 to +10 V DC
• Current Input Resolution: 1.22070 µA per LSB
• Voltage Input Resolution: 305.176 µV per LSB
• Output Channels: 2 (Voltage Outputs)
• Output Voltage Range: -10 to +10 V
• Output Voltage Resolution: 1.22070 mV per LSB
• Bandwidth: 10 Hz
• Update Time: 512 µs
• Resolution: 16 bits (input), 14 bits (output)
• Step Response: 60 ms (in), 2.5 ms (out)
• Mounting: Rack Mount

Performance

• Current Input Accuracy: ±0.642%
• Voltage Input Accuracy: ±0.504%
• Voltage Output Accuracy: ±0.384%
• Gain Error (Input): ±0.461%
• Gain Error (Output): ±0.374%
• Output Offset Error: ±11 LSB
• Drift Accuracy (Voltage Input): ±63 ppm/°C
• Drift Accuracy (Voltage Output): ±47 ppm/°C

Power and Wiring

• Backplane Current (5 V): 55 mA
• Backplane Current (24 V): 115 mA
• Field Wiring-to-Backplane Isolation: 500 V DC
• Recommended Cable: Shielded Belden #8761 (14 AWG)

Mounting and Installation

• Mounting: Rack-mounted on SLC500 chassis
• Cable Connections: Removable terminal block for easy signal connections

Compatibility

• Suitable for use with SLC500 systems
• Can be part of CompactLogix and ControlLogix systems for distributed I/O functionality