You are here:
  1. Home
  2. Product
  3. Others / Spares
  4. Allen-Bradley 1746-NIO4I SLC 500 High-Resolution Analog Combination Module
Sale!
SKU: 1746-NIO4I

Allen-Bradley 1746-NIO4I SLC 500 High-Resolution Analog Combination Module

The Allen-Bradley 1746-NIO4I is a high-resolution SLC 500 combination module featuring 2 analog inputs and 2 analog outputs (4-20 mA). It provides 16-bit signal precision and robust backplane isolation, offering a compact and reliable solution for high-accuracy PID control and process monitoring in SLC-based systems.

Request a Quote

Product Description

The Allen-Bradley 1746-NIO4I functions as a high-performance combination I/O module designed for the SLC 500 platform. This module integrates both analog input and output capabilities into a single-slot footprint, which effectively maximizes rack space and reduces hardware costs for smaller control systems. Because the 1746-NIO4I utilizes high-resolution signal processing, it captures and generates 4-20 mA signals with extreme precision, making it suitable for demanding process loops that require fine-tuned regulation.

Furthermore, the module features four total channels: two dedicated analog inputs and two analog outputs. It provides individual channel configuration via the SLC processor’s software, allowing engineers to scale data specifically for their application needs. Since it incorporates robust galvanic isolation, the 1746-NIO4I protects the SLC backplane from external electrical noise and field-side transients. This reliability ensures that critical data from pressure transmitters or commands to control valves remain consistent even in harsh industrial environments characterized by high electromagnetic interference.

Key Technical Characteristics

  • Manufacturer: Allen-Bradley (Rockwell Automation)
  • Model Identification: 1746-NIO4I
  • Product Series: SLC 500 I/O
  • I/O Count: 4 Channels (2 Input / 2 Output)
  • Signal Range: 4 to 20 mA (Current Loop)
  • Resolution: High-resolution 16-bit conversion for precise signal handling
  • Backplane Current Draw: 55 mA at 5V DC / 145 mA at 24V DC
  • Isolation: 500V DC isolation between user I/O and backplane
  • Thermal Management: Designed for optimal performance within standard SLC 500 chassis
  • Terminal Block: Removable terminal block (1746-RT25) for simplified field wiring and maintenance

Industrial Applications

Automation specialists implement the 1746-NIO4I across various sectors to manage sophisticated feedback loops. Specifically, the module delivers value in:

  • PID Control Loops: Providing the high-speed input and output signals necessary for precise temperature and pressure regulation.
  • Flow Measurement: Interfacing with mass flow meters to monitor liquid or gas consumption in real-time.
  • Valve Actuation: Sending accurate current signals to I/P (current-to-pressure) transducers to position control valves.
  • Chemical Dosing: Managing the proportional speed of dosing pumps to ensure exact chemical ratios in water treatment or manufacturing.
Tags:

You may also like

Sale!
Allen-Bradley 2094-BC01-M01-S Integrated Axis Module

Allen-Bradley 2094-BC01-M01-S Integrated Axis Module

The Allen-Bradley 2094-BC01-M01-S, also cataloged as the 2094-BC01-M01-S Integrated Axis Module, operates as a dedicated hardware component for high-speed motion control and power regulation within Kinetix 6000 multi-axis drive platforms.

Hardware Specifications

ParameterSpecification
Model2094-BC01-M01-S
BrandAllen-Bradley
OriginUSA
Weight0.9 kg
Dimensions3.5 cm x 13 cm x 14.5 cm
Operating TempStandard industrial range
Power Consumption3.9 kW (Total)
Inverter Current9 A
Input Voltage360-480 V AC

PLC and Drive Control Characteristics

The 2094-BC01-M01-S incorporates backplane bus communication velocity protocols, enabling deterministic synchronization between the converter and inverter stages. The architecture facilitates I/O density scaling within the drive cabinet, allowing for coordinated power distribution across multiple integrated axes. Furthermore, the module supports firmware flash compatibility, which ensures that internal logic remains aligned with system-wide motion control requirements. This design enables precise control over power threshold excursions and maintains stable torque output during transient loading conditions.

Frequently Asked Questions (FAQ)

Q: What are the primary communication requirements for the SERCOS interface on this module?A: The SERCOS interface requires fiber optic media configured in either linear or ring topologies; ensure that the fiber ends are polished and properly seated in the transceivers to maintain signal integrity and avoid communication latency.Q: Can the Safe Torque Off (STO) function be bypassed if not required by the application?A: The STO circuit must remain closed via the designated safety input terminals to enable drive operation; if the safety function is not utilized, you must jumper these inputs according to the installation manual to permit the pulse-width modulation (PWM) output to the motor.

Field Installation Guidelines

  • To begin with, ensure all primary power is disconnected and the DC bus capacitors have reached a discharge state before you mount the module onto the power rail; subsequently, verify that the rear-facing power connectors align correctly to prevent pin deformation.
  • Furthermore, terminate all motor feedback cables using the appropriate shielded connectors; in addition, ensure the shield drain wire connects to the designated ground lug to minimize electromagnetic interference (EMI).
  • When configuring the SERCOS ring, route fiber optic cables with a sufficient bend radius to prevent signal attenuation; meanwhile, label each fiber connection to identify the transmit (Tx) and receive (Rx) paths clearly.
  • Finally, verify the input voltage range (360-480 V AC) matches the site supply before you apply power; by doing so, you ensure the internal power conversion stage functions within rated limits.
Sale!
The Allen-Bradley 2711P-T10C22D9P is an original surplus PanelView Plus 7 Standard 10.4-inch touch screen terminal

Allen-Bradley 2711P-T10C22D9P PanelView Plus 7 Terminal

The Allen-Bradley 2711P-T10C22D9P serves as the primary 2711P-T10C22D9P PanelView Plus 7 Standard Color Terminal utilized to execute human-machine interface (HMI) visualization tasks across ControlLogix and CompactLogix platforms. Configured for direct panel monitoring and physical touch input control, the unit provides real-time graphic execution of process variables over local network nodes.

Hardware Specifications

ParameterSpecification
Model2711P-T10C22D9P
BrandAllen-Bradley / Rockwell Automation
OriginUSA
Weight0.9 kg (Net) / 2.3 kg (Packaged)
Dimensions3.5 x 13 x 14.5 cm (Chassis depth/profile variation)
Operating Temp0 to +55 deg C
Power Input24 VDC (PELV/SELV compliant)
Power Consumption50 W maximum
Display Type10.4-inch Color TFT (800 x 600 SVGA)
Memory512 MB RAM / 80 MB Non-volatile user storage
Communication PortsDual 10/100 Base-T Ethernet (DLR), USB ports
Discontinued DateJune 30, 2016 (Catalog data reference)

Deterministic Network Routing & I/O Density Scaling

The HMI assembly utilizes integrated dual Ethernet ports configured for Profinet / EtherNet/IP deterministic networks, supporting Device Level Ring (DLR), linear, and star network topologies directly at the machine layer. This eliminates the necessity for external switches while protecting communication velocity against single-point physical cable breaks.Internal memory constraints control runtime graphic caching, allowing scaling for dense register structures mapped from local programmable automation controllers. Device settings and operational runtime parameters are updated via standard firmware flash compatibility tools or through FactoryTalk View Studio Machine Edition configuration routines.

Frequently Asked Questions

Q: What are the dual Ethernet port operational constraints regarding separate IP subnets?A: The integrated dual ports function as an embedded switch node supporting Device Level Ring (DLR) topology. Both physical interfaces share a single IP address and cannot be partitioned to bridge separate, independent subnets.Q: How is application data retention managed if primary 24 VDC input power is lost?A: The terminal utilizes onboard non-volatile flash memory to store the compiled runtime (.mer) application project file. System parameters and historical log data are committed directly to internal solid-state registers, removing battery dependency for file preservation.

Field Installation Guidelines

  • Enclosure Cutout Positioning: Prepare the panel door cutout using exact engineering template metrics. Ensure the surrounding sheet metal remains flat and free of distortion to establish uniform compression against the sealing gasket.
  • Torque Adjustments for Mounting Clips: Tighten the supplied panel mounting levers evenly in an alternating sequence. Do not exceed specified torque limits to avoid cracking the plastic bezel or compromise the NEMA/IP environmental seal.
  • Grounding Requirements: Connect the functional earth terminal on the rear power input connector block to a low-impedance master enclosure ground bar using a dedicated, short copper wire.
  • External Storage Handling: Insert or extract approved external memory cards only when the execution engine is idle to prevent database structure corruption within historical trending folders.
Sale!
The EMERSON KJ3243X1-BB2, also cataloged as the KJ3243X1-BB2 Profibus DP Interface Card

EMERSON KJ3243X1-BB2 DeltaV SIS M-Series

The EMERSON KJ3243X1-BB2 is a DeltaV M-Series Profibus DP interface card engineered for extreme industrial environments. Brand new factory-sealed units are ready for deployment with rapid global shipping. Ensure seamless network communications and update your process automation infrastructure now.
Sale!
Allen-Bradley 2094-BM02-S Servo Drive Axis Module

Allen-Bradley 2094-BM02-S Servo Drive Axis Module

The Allen-Bradley 2094-BM02-S, also cataloged as the 2094-BM02-S Servo Drive, operates as a dedicated hardware component for multi-axis motion control execution within ControlLogix platforms. The hardware acts as a modular inverter node mounted directly onto a shared integrated power rail system. It modulates raw DC link energy into high-frequency pulse-width modulation (PWM) power vectors to regulate the angular positioning, velocity, and torque outputs of synchronized permanent magnet synchronous motors.

Hardware Specifications

ParameterSpecification
Model2094-BM02-S
BrandAllen-Bradley
OriginUSA
Weight0.9 kg
Dimensions3.5 x 13 x 14.5 cm
Operating Temp0 to +50 deg C (Standard Industrial Range)
Power Consumption650 VDC nominal input / 115 Ohm internal shunt resistor
Module TypeServo Drive (Axis Module)
Product RangeControlLogix / Kinetix 6000
System ClassificationPLC Motion Control
Continuous Current10.3 A (RMS), 14.6 A (Sine Peak)
Velocity Loop Bandwidth500 Hz
Current Loop Frequency1300 Hz
Efficiency Rating98%

Industrial Control & Deterministic Driving Network

The Allen-Bradley 2094-BM02-S interacts directly over backplane bus communication velocity networks to achieve microsecond-level synchronization across adjacent drive modules. The hardware features deterministic network compatibility, letting control processors command motion trajectories with minimal jitter. It supports peak enhancement technology, scaling the nominal inverter output profile from a standard 150% threshold up to 250% during peak torque demands. This scaling permits rapid rotor acceleration and deceleration profiles without triggering overcurrent trips. Integrated Safe-Torque Off (STO) hardware circuits provide independent physical galvanic control paths, disabling gating signals to the output power transistors to prevent unexpected motor rotation during active maintenance states.

Frequently Asked Questions

Q: What are the backplane current and configuration limits when expanding axis modules on a single rail?A: The module must be inserted into an authorized Kinetix 6000 power rail, supporting up to seven axis modules alongside one master power module. The cumulative peak current draw must not exceed the structural rating of the shared copper backplane link.Q: Is this hardware compatible with live hot-swapping procedures?A: No. The shared 650 VDC bus lines pose arc-flash and component damage hazards. System DC bus voltage must be entirely drained and verified below safe thresholds before seating or unseating the module from the rail structure.Q: Can the internal 115 Ohm shunt resistor handle high-inertia braking loads?A: The internal shunt resistor is designed for short-duration thermal dissipation. High-inertia or cyclic deceleration applications require an external, isolated shunt module to prevent DC bus overvoltage faults.

Field Installation Guidelines

  • Enclosure Clearance & Thermal Profile: Maintain a minimum enclosure installation depth of 10.7 inches. Ensure unimpeded vertical ventilation spacing above and below the module chassis to prevent heat sink thermal saturation.
  • Cable Separation Architecture: Physically isolate unshielded high-voltage power cables, including motor leads and shunt resistor lines, from low-level digital feedback encoder loops and communication wires to suppress cross-talk.
  • Shielding and Ground Boundary: Terminate all motor cable shields at the designated grounding clamp on the power rail base. Maintain a low-impedance ground plane across the entire mounting subpanel.
  • Overcurrent Protection: Install specified circuit breakers or high-speed semiconductor fuses upstream of the main power distribution block to guard the internal solid-state components against phase-to-phase short circuits.
Sale!
Allen Bradley 1492-IFM40F-FS-2 Wiring Systems Modules

Allen Bradley 1492-IFM40F-FS-2 Wiring Systems Modules

he Allen Bradley 1492-IFM40F-FS-2 is a 40-contact fusible wiring systems interface module. This brand new, original stock component is available for global shipping to support your programmable logic controller architecture.