1. Technical Parameter

l Input Signal Range: -10 to +10 V DC or -20 to +20 mA.

l Isolation: 500V AC and 710V DC for 1 minute.

l Output Signal Range: -10 to +10 V DC.

l Resolution: 16 bits in, 14 bits out.

l Bandwidth: 10 Hz.

l Step Response: 95% in 60 ms, 2.5 ms out.

l Backplane Current Load: 55 mA at 5V DC or 115 mA at 24V DC.

l Power Supply Voltage: 24 VDC.

l Operating Temperature: 0 to 60 °C (32 to 140 °F).

2. Function Features

l Convenient Input and Output:  Allen Bradley 1746-NIO4V  has 2 analog input channels and 2 analog voltage output channels, thus allowing flexible connection of any types of sensors and actuators.

l Signal Noise Reduction: Allen Bradley 1746-NIO4V is a no-noise instrument, which possesses an optical coupling plus a filter circuit that effectively abolishes signal noise from the input signals.

l Configurable Inputs:  The input channels are compatible with differential voltage and current inputs that are individually configurable, providing flexibility for different application requirements.

l Isolation and Protection: It provides 500V backplane field wiring isolation, thus protecting the module from electrical interference and equipment damage.

3. Applications

l Food and Drug industry: Allen Bradley 1746-NIO4V is  used to control and monitor processes like mixing, filling, and packaging in beverage production processes. Allen Bradley 1746-NIO4V can ensure precise control of ingredients, the correct filling of machines, and the hygienic conditions in which the product is processed.

l Pharmaceutical industry：It controls and monitors crucial parameters that influence contamination and sterilization concerning temperature and air pressure within clean rooms and the production equipment. So controlling the process of dosing, once again, becomes quite essential for quality control as well as control of mixing processes for assured quality and consistency in pharmaceutical products.

l Chemical Industry: Allen Bradley 1746-NIO4V has its use in monitoring and controlling chemical reactions, tank levels, and fluid flow rates within chemical manufacturing units. Hence controlling such parameters with utmost care and accuracy can indeed help achieve average production processes, consistent product quality, and safety of the entire process.

l Power Generation Industry: Allen Bradley 1746-NIO4V is used in tracking the operational parameters of generators and turbines--such as the temperature and operational resonance of whirl--besides other parameters in power generation equipment. Hence Operational Safety and productivity can be ensured by measuring the electrical parameters as well as any other connected equipment associated with great accuracy and providing some alerts in regards to any possible failures or malfunctions before they are of any actual significance.