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Allen Bradley 1746-NR4 SLC 4 Point Resistance Input Module with 500V Isolation
Allen Bradley 1746-NR4 SLC 4 Point Resistance Input Module with 500V Isolation
4 Point Input Resistance Input Module
500V Isolation RTD Module
Removable Terminal Block SLC 500 Module
Place of Origin:
USA
Brand Name:
Allen Bradley
Model Number:
1746-NR4
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Product Details
Bandwidth:
2.62-65.5 Hertz
Backplane Current:
50 MA
Backplane Power Consumption:
1.5 W Max (0.3 W At 5V Dc, 1.2 W At 24V Dc)
I/O Chassis Location:
Any Slot Except Slot 0
Number Of Inputs:
4
Maximum Cable Impedance:
25 Ωmaximum Per 308.4 M (1000 Ft)
Isolation Voltage, Input To Backplane:
500V Ac For 1 Minute
Common Mode Voltage Separation:
±1V Maximum
Highlight:
4 Point Input Resistance Input Module
,500V Isolation RTD Module
,Removable Terminal Block SLC 500 Module
Payment & Shipping Terms
Minimum Order Quantity
1
Price
66USD
Packaging Details
Brand new and original
Delivery Time
2-3 work days
Payment Terms
T/T
Supply Ability
in stock
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Product Description
The RTD module receives and stores digitally converted analog data from RTDs or other resistance inputs such as potentiometers into its image table for retrieval by all fixed and modular SLC 500 processors. An RTD consists of a temperature-sensing element connected by 2, 3, or 4 wires that provide input to the RTD module.
Key Features
- Supports connections from any combination of up to four RTDs of various types
- Compatible with platinum, nickel, copper, or nickel-iron sensors
- Each input channel individually configurable for specific input devices
- Broken sensor detection (open- or short-circuit) for each channel
- Input signal out-of-range indication
- Removable terminal block for flexible installation and maintenance
- No DIP switches required for setup
- Configuration handled via user program for precise control
Module Specifications
The module supports various RTD types with associated temperature ranges and analog input signal ranges. See input specifications for detailed technical parameters.
The module status LED shows diagnostic or operating errors related to the module. These non-recoverable errors may be detected during power-up or during operation. Once an error has been detected, the module no longer communicates with the SLC processor. Channel states are disabled, and data words are cleared (0).
Step 1: Align Module - Align the RTD module circuit board with the top and bottom card guides of the chassis. Ensure proper orientation.
Step 2: Insert Module - Slide the module into the chassis until the top and bottom retaining clips engage. Apply firm, even pressure to seat the module on the backplane connector. Do not force the module.
Step 3: Install Slot Filler - Cover all unused slots with a Card Slot Filler (Catalog Number 1746-N2) to maintain chassis protection.
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