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1746-BAS-T

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The Allen-Bradley 1746-BAS-T is a SLC 500 SLC BASIC Module with higher speed capability. This SLC BASIC Module has RS-232/423, -422, -485, and DH-485 Communication Ports for connection to modems, printers, Human Machine Interface and other devices. It also has a 24KB battery backed-up RAM and for data and user program storage.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with DO Supply's 2-year warranty.

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Technical specifications for 1746-BAS-T

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	1746-BAS-T
Series	SLC 500
Module Type	SLC BASIC Module
Communication Ports	PRT1:RS-232/423, -422, -485, PRT2:RS-232/423, -422, -485; DF1 PRT3:DH485
Backplane Current (5 Volts)	150 milliamps
UPC	10611320312291
Indicators	ACT; 485; PRT1; PRT2; FAULT; BAT LOW; LED 1; LED 2
Backplane Current (24 Volts)	40 milliamps
Noise Immunity	Standard NEMA
Operating Temperature	32 to 140 degrees Fahrenheit
Memory	24 KB, RAM
Clock/Calendar Accuracy	±1 minute/month at 25 °C (77 °F) +0, -6 minute/month at 60 °C (140 °F)
Vibration	Displacement: 0.015 in., peak-to-peak at 5...57 Hz Acceleration: 2.5 g at 57...2000 Hz
Operating Shock	30 g

Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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The Allen-Bradley 1746-BAS-T Basic Communication Module is a specialty module that is used within the SLC 500 product family. This module occupies single slot of any 1746 chassis and may be used in modular or fixed style hardware of SLC 500.

This module is almost identical to the 1746-BAS module. The major difference of this module is that this module is the higher speed version of the 1746-BAS. This module enables data collection and integration capability of a SLC 500 controller. Allowing the system to integrate and collect data in the plant floor for communicating with Human Machine Interface (HMI) devices, modems, printers and other data collection devices.

This module has LED indicators to provide quick information regarding the module’s activity. It has an ACT, 485, PRT1, PRT2, FAULT, BA LOW, LED 1 and LED 2 indicators.

Through DH485 communication, multiple 1746-BAS-T modules may be connected in daisy-chain configuration for programming and configuration purposes only. A personal computer may be connected through the RS232 with a 1747-PIC converter. This converter transforms the RS232 interface to 485 which supports daisy-chain topology.

The Allen-Bradley 1746-BAS-T SLC 500 BASIC-T Modules comes with 24 KB of battery-backed RAM for storing user programs and data. This module also has a capacitive backup for the RAM during a battery change. The Allen-Bradley 1746-BAS-T is equipped with a socket for a 1771-DBMEM1 or a DBMEM2 memory module for the nonvolatile storage of user programs. The 1746-BAS-T also has a built-in battery-backed clock. The free-running clock on this module has a 5 ms resolution. The Allen-Bradley 1746-BAS-T comes with 2 serial D-shell ports isolated 9-pin (PRT1 and PRT2) that provide communications through the RS-232/423, RS-422, and RS-485 ports with I/O devices. This module also has a built-in multiple LED indicator for easy operator interface. Do not expose the module to surfaces or other areas that normally carry electrostatic charges. An electrostatic charge can alter or destroy the memory of the 1746-BAS-T.

The power supply loading at 5V DC of the Allen-Bradley 1746-BAS-T is 0.15A. The power supply loading at 24V DC is 0.07A. This module has an operating vibration of 2.5g at 57-2000 Hz. The operating shock is 30g and the nonoperating shock is 30g. The operating temperature is from -25-60 °. Celsius (-13-140 °. Fahrenheit) while the nonoperating temperature is from -40-85 °. Celsius (-40-185 °. Fahrenheit) at a relative humidity of 5-95% without condensation.