1754-L28BBB - Safety Controller

1754-L28BBB - Safety Controller

Brand: Allen-Bradley

Product ID: 1754-L28BBB

Condition: New / used

Terms of payment: Paypal、T/T 、Western Union

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Description

Description: The Allen-Bradley 1754-L28BBB Safety Controller in the GuardPLC 1200 series has 20 Digital Inputs and a 500 KB application code memory User Memory. The 1754-L28BBB operates with a 24V DC Nominal Input Voltage and a 10-30V DC On-state Voltage.


Technical Specifications for 1754-L28BBB

ManufacturerRockwell Automation
BrandAllen-Bradley
Part Number/Catalog No.1754-L28BBB
Product TypeSafety Controller
Product SeriesGuardPLC 1200
User Memory500 KB application code memory
Digital Inputs20
Nominal Input Voltage24V DC
On-state Voltage10-30V DC
On-state Current2 mA @ 10V DC
Outputs8
Output Voltage Range18.4-26.8V
Output Current0.5-2A per channel
Counters2
Inputs per Counter3
Counter Resolution24 bit
Power Supply24V DC

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The Allen-Bradley 1754-L28BBB is a 28 I/O safety controller. It is one of Allen-Bradley’s GuardPLC 1200 Control System devices. It is built according to the IEC 61508 (SIL 3) and ISO 13849-1 (PLe/Cat. 4) standards to feature a fail-safe CPU. This controller is used to detect faults that can cause loss of safety functions within the safety time you program. The Allen-Bradley 1754-L28BBB reacts differently to different kinds of errors but it always tends to react in a safety-related way. The controller performs actions when it detects controller errors, permanent errors, and transient errors. The basic tools for processing safety logic modules on this device are 20 digital inputs, 8 digital outputs, and 2 high-speed counters. For communication and programming purposes it is equipped with an RS-232 serial port and an Ethernet port. On the front panel, users can watch inputs and outputs status over signaling lamps. There are also 6 more signaling lights - the RUN, PROG, ERROR, FORCE, FAULT, and COMM lights. Users can also access the backup battery compartment from the front side of the controller. The Allen-Bradley 1754-L28BBB must be supplied with 24 Volts DC power that can deliver at least 8 Amps. The dimensions of the controller are 160 x 112 x 90 millimeters (6.3 x 4.41 x 3.54 ). The item weighs 0.68 kilograms (1.5 pounds).

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The company focuses on DCS, PLC, robot, large servo four systems

The main products are various modules/cards, controllers, touch screens, servo drivers Company advantage: Supply imported original products, professional production of spare parts One year warranty, fast delivery time, complete supply !!! ① 24 hours email response (12 hours); ② For shipment outside Asia, please contact the seller.


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