1746-IB8/AB IN STOCK& READY FOR SHIP

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Brand Name                 AB

Product reference      1746-IB8

The Allen-Bradley 1746-IB8 is a SLC 500 Digital DC Input Module. This Digital DC Input Module has a Voltage Range of 10-30 Volts DC Sink and 8 Inputs with a Backplane Current (5 Volts DC) of 50 milliamps.

The 1746-IB8 SLC 500 Digital DC Input Module by Allen-Bradley is a DC input module in the SLC 500 I/O module series with eight 24V DC current sinking inputs. The 1746-IB8 has an operational voltage range between 10 and 30V DC with its nominal voltage at 24V DC and it has a backplane current of 50mA at 5V DC and of 0.0mA at 24V DC. The maximum signal delay time on each input point of the module is about 8ms for ON mode and 8ms for OFF mode, and the maximum OFF state voltage in the circuit is 5.0V DC. The 1746-IB8 has a maximum OFF-state current of 1mA, and when operational, its nominal input current is 8mA at 24V DC. 
The 1746-IB8 module has a maximum of 0.27W power dissipation on each output point and the total heat dissipation of the module is 1.3W with 4.4 BTU per hour of thermal dissipation. It has a Dielectric withstand of 1500V AC and an isolation between the communication circuits tested at 500V and between backplane-and-inputs at 1500V AC. The 1746-IB8 module has an operating temperature range between 0 and 60 °C (32 and 140 °F) at 5-95% non-condensing humidity. It has an operational vibration of 2.5G at 57-500Hz and a shock rating of 30G. The 1746-IB8 is UL and CE-certified and has a NEMA standard ICS 2-230-tested Noise Immunity.

The 1746-IB8 contains 8 inputs, and 8 Points per common. The 1746-IB8 is a general-purpose 8-Channels DC input module.

Powerful, yet affordable - SLC 500 programmable controllers provide excellent value with extensive capabilities to address a broad range of applications including material handling, HVAC control, high speed assembly operations, small process control, simple motion control, and SCADA. Modularity - Modular processes, power supplies, I/O, memory options, and communication interfaces allow for a configurable and expandable system. Configure your system for the number of I/O, the amount of memory, and the communication networks needed. Later, you can expand the system by adding I/O, memory, or communication interfaces. Advanced instruction set - Includes indirect addressing, high level math capability, and a compute instruction. Communication network versatility - Choose from on-board Ethernet, DH+, or DH-485, as well as options for ControlNet, DeviceNet, or Remote I/O communications. Broad selection of I/O - Select from over 60 modules to control discrete, analog, and temperature signals. Third-party specialty modules are also available from Encompass partners to customize control solutions for your application needs. Industrially hardened product - Designed to withstand the vibrations, thermal extremes, and electrical noise associated with harsh industrial environments. Windows programming software - RSLogix 500 programming software maximizes productivity by simplifying program development and troubleshooting.

SLC 500 System Overview The Allen-Bradley SLC 500 is a small chassis-based family of programmable controllers, discrete, analog, and specialty I/O, and peripheral devices. The SLC 500 family delivers power and flexibility with a wide range of communication configurations, features, and memory options. The RSLogix 500 ladder logic programming package provides flexible editors, point-and-click I/O configuration, and a powerful database editor, as well as diagnostic and troubleshooting tools to help you save project development time and maximize productivity. 

You can configure a system with one, two, or three local chassis, for a maximum total of 30 local I/O or communication modules. You connect multiple local chassis together with chassis interconnect cables to extend the backplane signal lines from one chassis to another.

Distributed Systems More complex systems can use: distributed I/O. multiple controllers joined across networks. I/O in multiple platforms that are distributed in many locations and connected over multiple I/O links.

Choose the processor module with the on-board communication ports you need. You optionally add modules to provide additional communication ports for the processor. For I/O in locations remote from the processor, you can choose between a ControlNet, DeviceNet, or Univeral I/O link. A communication interface module is required in both the local and remote chassis. Depending upon the communication ports available on your particular SLC control system, you can select operator interfaces that are compatible

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