Technical specifications for 1746-NI8

Part Number/Catalog No.	1746-NI8
Series	SLC 500
Module Type	Analog I/O Module
Backplane Current (5 Volts)	200 milliamps
Inputs	1746-NI4
Backplane Current (24 Volts DC)	100 milliamps
Input signal Category	-20 to +20 mA (or) -10 to +10V dc
Bandwidth	1-75 Hertz
Input Filter Frequencies	1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz, 50 Hz, 75 Hz
Update Time	6 milliseconds
Chassis location	Any I/O module slot except slot 0
Resolution	16 bits
Backplane Current	(5 Volts) 200 mA;(24 Volts DC) 100 mA
Step Response	0.75-730 milliseconds
Conversion type	Successive approximation, switched capacitor
Applications	Combination 120 Volts AC I/O
Input Types, Voltage	10V dc 1-5V dc 0-5V dc 0-10V dc
Backplane Power Consumption	14 Watts Maximum
Input Type, Current	0-20 mA 4-20 mA 20 mA 0-1 mA
Input Impedance	250 Ohms

The 1746-NI8 is an 8-channel analog single-slot I/O module designed for time-sensitive applications that require fast analog signal conversion and high accuracy. This module features a backplane current consumption of 200mA at 5V DC and 100mA at 24V DC, with a maximum backplane power consumption of 1 Watt at 5V DC and 2.4 Watts at 24V DC. It supports input signal conversion to digital data via successive approximation conversion and includes programmable filter frequencies with a low-pass digital filter for input filtering. The module also performs continuous autocalibration and features isolation voltage of 750V DC and 530V AC, with a 60-second test duration. It has a common-mode voltage range of -10 to 10 Volts, with a maximum of 15 Volts between any two terminals. The module is equipped with an 18-position removable terminal block and requires the use of cables like Belden 8761 or similar, with one or two 14 AWG wires per terminal. For diagnostics, the module includes 9 green LED status indicators.

The 1746-NI8 is compatible with SLC 500 Fixed or modular hardware-style controllers and features individually selectable voltage or current input channels. The available input signals include 10V DC, 1–5V DC, 0–5V DC, and 0–10V DC for voltage, and 0–20 mA, 4–20 mA, and +/-20 mA for current. Input signals can be represented in various formats, including Engineering Units, Scaled-for-PID, Proportional Counts (-32,768 to +32,767 range), and Proportional Counts with User Defined Range (Class 3 only). The module supports compatibility with SLC 5/01, SLC 5/02, SLC 5/03, SLC 5/04, and SLC 5/05 processors, with SLC 5/01 operating in Class 1 mode and SLC 5/02, SLC 5/03, SLC 5/04 configurable for Class 1 and Class 3 operation. Channels can be wired in either single-ended or differential input configurations. A removable terminal block allows easy replacement and eliminates the need for rewiring. Input signal type selection is done via embedded DIP switches. The module meets the Division 2 hazardous environment standard and operates within a temperature range of 0 to 60°C.

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Amikon offers redundant components for users with installed control systems, drives and servo motors. We have a knowledgeable staff, extensive test systems and complete functionality.

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