A-B analog input module 16MAR12

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A-B analog input module 16MAR12

¥1,485.00

Description

The Allen-Bradley 1746-NI8 is an analog single-slot I/O module for the SLC 500 system. It is suitable for time-sensitive applications that require fast analog signal conversion and high accuracy. The 1746-NI8 module has an 8-Channel input with an isolated backplane. Its backplane current consumption is 200mA and 100mA at 5 Volts DC and 24 Volts DC respectively. It has a maximum backplane power consumption of 1 Watt at 5 Volts DC and 2.4 Watts at 24 Volts DC. The 1746-NI8 can be installed in any I/O slot, except Slot 0 of the SLC 500 I/O chassis. Input signal data is converted to digital data via successive approximation conversion. The 1746-NI8 module uses programmable filter frequencies with a low-pass digital filter for input filtering. It performs continuous autocalibration and has an isolation voltage of 750 Volts DC and 530 Volts AC, tested for 60 seconds. It has a common-mode voltage ranging from -10 to 10 Volts with a maximum of 15 Volts between any two terminals.

 

The 1746-NI8 module comes with a removable terminal block of 18 positions. For wiring, the Belden 8761 or a similar cable must be used with one or two 14 AWG wires per terminal. The cable has a maximum loop impedance of 40 Ohms at the voltage source and 250 Ohms at the current source. For troubleshooting and diagnostics, it has 9 green LED status indicators. The 8 channels have one indicator each to display the input status and one each for displaying the module status. The 1746-NI8 has a Division 2 hazardous environment standard with an operating temperature of 0 to 60 degrees Celsius.

The 1746-NI8 features Eight (8) channel analog input module compatible for used with SLC 500 Fixed or modular hardware style controllers. This module from Allen-Bradley has individually selectable voltage or current input channels. Available selectable input signals include 10V dc, 1–5V dc, 0–5V dc, 0–10V dc for Voltage while 0–20 mA, 4–20 mA, +/-20 mA for Current.

Input signals may be represented as Engineering Units, Scaled-for-PID, Proportional Counts (–32,768 to +32,767 range), Proportional Counts with User Defined Range (Class 3 only) and 1746-NI4 Data.

 

This Eight (8) channel module is compatible for use with SLC 5/01, SLC 5/02, SLC 5/03, SLC 5/04 and SLC 5/05 processors. SLC 5/01 may only operate as class 1 while SLC 5/02, 5/03, 5/04 are configurable for Class 1 and Class 3 operation. The channels of each module may be wired in single-ended or differential input.

This module has a removable terminal block for connection to input signals and easy replacement of module without the need of rewiring. Selection of input signal type is done with the use of embedded DIP switches.The Allen-Bradley 1746-IV16 is an SLC 500 discrete input module. This module features Sixteen (16) sourcing input channels, ideally used for interfacing electrical signaling devices such as switches, auxiliary contacts, sensors and other devices that provide binary or ON/ OFF signal states.

The 1746-IV16 supports source wiring configuration. Commonly, input devices carry the signal voltage and sends this voltage towards the input module via sink wiring configuration. In some scenarios, some electrical signaling devices does not carry an input signal voltage. This is when the 1746-IV16 may be used wherein, the module itself provides the signal voltage to the loop then returns this input channels of the module when the device signal state changes.(https://www.weikunfadacai1.com/)

Each channel of the 1746-IV16 are designed to be operated at a nominal voltage of 24VDC however, accepts voltage range of 10-30 VDC. Additionally, each requires a nominal input current of 8 mA at 24VDC. The maximum on-state input voltage is 5.0 VDC and the maximum off state input current is 1 mA. Each channel exhibits a maximum signal delay time of 8 ms for both ON to OFF and OFF to ON transitions.

 

The 1746-IV16 is a single slot wide module that directly installs to any available slot of the 1746 chassis. It may be used as a local I/O module or remote I/O module. It comes with a 16 LED status indicators, each assigned to monitor the state of the input channels. It also comes pre-installed with a removable terminal block that allows modular wiring and simplified module replacement in the event of module malfunction.

The 1746-IV16 has a maximum off-state current and voltage of 1 mA and 5 Volts DC. It has a nominal input current of 8 mA at 24 Volts DC and a maximum power dissipation of 3.6 Watts. It finds applications in general-purpose DC inputs in an SLC 500 system. The 1746-IV16 module is responsible for receiving and storing digitally-converted analog data into its data image table to be retrieved by all the modular and fixed SLC 500 processors. It supports connections from up to 8 sensors or actuators for various applications. The 1746-IV16 module comes with removable terminal blocks, eliminating the need to disconnect any of the wires and making module replacement easy. It also includes filter circuitry and optical coupling for signal noise reduction. The 1746-IV16 module input values can be easily accessed by SLC 500 processors that use Ladder Logic programming. Troubleshooting becomes easier with LED indicators that show input status ratings. The SLC 500 system uses a sharing-based hardware platform which includes various combinations of digital and analog I/O, thus saving cost and space. The 1746-IV16 is intended for use in an environment with a 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit) temperature range and a 5 to 95% noncondensing relative humidity range.The Allen-Bradley 1746-IB16 is a medium density DC input module that is used to interface with signal devices that delivers a signal voltage range of 10-30VDC towards each of the input channel of the module. This module features Sixteen (16) input channels, rated for nominal input voltage of 24VDC, grouped into One (1) input group, having a single common terminal. This input module is mounted to any available I/O slot of the 1746-Chassis and draws backplane current of 0.05 A @ 5VDC.

The 1746-IB16 supports sinking wiring configuration only. It cab used to interface with electrical components such as switches including limit, proximity, pushbutton devices as well as auxiliary contacts of relays, contactors and other electronic devices. Each of the input channels of the 1746-IB16 exhibits a common signal delay duration of 8 ms for both On and OFF transitions, with maximum OFF-state voltage of 5VDC and maximum OFF-state current of 1 mA while the module’s nominal input current is 8 mA @ 24VDC.

The number of installation instances of the 1746-IB16 varies according to the SLC500 CPU installed. Specifically, depending on the number of I/O supported by the CPU memory. This module may also be installed locally, along the rack where the SLC 500 CPU is installed or in a Distribute I/O chassis, along a 1746 Communication adapter such as Remote I/O (RIO) and Ethernet adapter modules. This module comes with status LED indicators that provided indications to the actuation of each of the input channels for simplified monitoring and troubleshooting. It also has a Removable Terminal Block that enables ease of termination and module replacement.

The 1746-IB16 has a maximum signal delay time of 8ms for both ON and OFF transitions while the module’s maximum drop voltage of 5V DC in the OFF state. It has a maximum leakage current of 1mA and has a nominal input current of 8mA at 24V DC across the entire module.

 

The 1746-IB16 has a net heat dissipation of 0.22W on each input point and a total heat dissipation on the entire module is 3.6W. Its operating temperature ranges between 0 and 60 °C (32 and 140 °F) in a surrounding with 5-95% relative humidity, and when not in use, should be stored at a temperature range between -40 and 85 °C (-40 and 185 °F). The 1746-IB16 has a tested operational shock rating of 30G and is designed to withstand an operational vibration of 2.5G at 57-200 Hz operational frequency. It has a NEMA standard ICS 2-230 rated noise immunity and is UL-A196, CSA, and C-UL Class I, Division 2 Hazardous Environment-rated. It offers Electro-optical isolation tested at 1500V, between input terminals and control logic, and is UL, CSA, and CE-certified.

FAQ for 1746-NI8

  How many inputs does the 1746-NI8 module have?

The 1746-NI8 has a total of eight (8) possible inputs.

  Does the 1746-NI8 have any LED indicators?

Yes, the 1746-NI8 has nine (9) LED status indicators.

  What cable does the 1715-IF16 require?

The 1715-IF16 needs a Belden 8761 cable for wiring.

  Does this module have a terminal block?

Yes, the 1746-NI8 contains an 18-position, removable terminal block.

  Can this module be purchased with a warranty?

Yes, the 1746-NI8 comes with a free one-year warranty from DO Supply, Inc.

  Where can I send the 1746-NI8 to be repaired?

DO Supply, Inc. offers a variety of repair services for the 1746-NI8.

  Technical Description of 1746-NI8

The Allen-Bradley 1746-NI8 is a SLC 500 Analog I/O Module. This Analog I/O Module has 8 Inputs and a Backplane Current (5 Volts) of 200 milliamps. It has a Bandwidth of 1-75 Hertz and an Update Time of 6 milliseconds.

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