Allen-Bradley 1746SC-INI4VI | SLC 500 Analog Input Module

Specifications

  • Manufacturer: Allen Bradley

  • Product No.: 1746SC-INI4VI

  • Condition： 10 Items in Stock

  • Product Type: Analog Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 650g

  • Shipping port: Xiamen

  • Warranty: 12 months

Product details

Description

Overview

The 1746SC-INI4VI is a 4-channel isolated analog input module for Allen-Bradley SLC 500 systems, manufactured by Spectrum Controls. It supports both voltage and current input types, offering reliable channel-to-channel isolation for accurate signal acquisition.

This module accommodates high-noise industrial environments or mixed-signal applications, ensuring precise measurement and minimal interference. With selectable voltage and current ranges, it provides flexibility for diverse control applications.

The 1746SC-INI4VI includes built-in overvoltage and overcurrent protection, safeguarding connected devices from electrical faults. Its robust design meets demanding industrial standards while maintaining stable performance under continuous operation.

Technical Specifications

Specification Details
Manufacturer Allen-Bradley / Spectrum Controls
Model / Part Number 1746SC-INI4VI
Product Line SLC 500 Analog Input Modules
Input Channels 4 (individually isolated)
Input Types Voltage or Current (selectable per channel)
Voltage Ranges 0–5 V, 1–5 V, 0–10 V, ±10 V
Current Ranges 0–20 mA, 4–20 mA
Resolution 16-bit (312.8 µV or nA per count)
Voltage Accuracy ±0.25% of full scale
Current Accuracy ±0.10% @ 25°C, ±0.25% @ 60°C
Input Impedance Voltage: >220 kΩ; Current: <250 Ω
Isolation 125 VAC continuous (channel-to-channel & field-to-backplane)
Overvoltage Protection 50 VDC (voltage inputs)
Overcurrent Protection 33 mA continuous, 70 mA transient
Update Time (4 channels) Current: 14 ms; Voltage: 18 ms
Step Response 8 ms (500 Hz filter), 67 ms (60 Hz filter)
Common Mode Rejection 99 dB @ 1 kHz, 150 dB @ 60 Hz
Normal Mode Rejection 98 dB @ 50/60 Hz
Backplane Current Draw 550 mA @ 5 V DC
Thermal Dissipation 3.25 W max
Operating Temperature 0–60 °C
Storage Temperature –40 to +85 °C
Humidity 5–95% non-condensing
Certifications UL/cUL, CE, UKCA, FCC, Class I Div 2 (Groups A–D)

Advantages

The 1746SC-INI4VI provides precise analog measurements with high channel isolation, minimizing noise interference. Its wide input ranges and 16-bit resolution ensure accurate voltage and current acquisition. With certified safety compliance and robust design, it integrates seamlessly into SLC 500 control systems.

FAQ

Q1: Is the 1746SC-INI4VI brand new and original?
A1: Yes, it is fully original and brand new from Allen-Bradley/Spectrum Controls.

Q2: What input types does this module support?
A2: It supports both voltage (0–10 V) and current (4–20 mA) inputs, selectable per channel.

Q3: How is the isolation level defined?
A3: Each channel is isolated up to 125 VAC from the backplane and other channels.

Q4: What is the resolution of this module?
A4: It has 16-bit resolution, providing 312.8 µV or nA per count for precise measurements.

Q5: Does it have overcurrent or overvoltage protection?
A5: Yes, voltage inputs include 50 VDC overvoltage protection, and current inputs have 33 mA continuous protection.

Q6: How soon can I receive this module?
A6: We have stock, typically shipping within 3 days to 2 weeks depending on order size.

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