1747-L514 | SLC 500 Processor

Description

Description: The Allen-Bradley 1747-L514 is a SLC 500 processor. This module is part of the modular style hardware that is installed in slot 0 of the 1746 chassis. It features a 4K memory and built-in DH485 communication interface. This processor has a backplane current draw of 0.090 A at 5VDC. It supports up to 3 I/O chassis and maximum of 30 slots.

Technical Specifications for 1747-L514

Manufacturer	Rockwell Automation
Backplane current:	0.090 A at 5VDC
Expansion memory:	1747-M1 - 1 K User Words EEPROM; 1747-M2 - 4 K User Words EEPROM
Memory Type:	Capacitor-backed RAM memory
Maximum number of modules:	30 modules
Program memory	4K
Product Description:	SLC 500 modular style hardware processor unit
Adapter socket:	1747-M5
Brand	Allen-Bradley
Instruction Support:	Bit; Timer and Controller; Comparison; Basic Math; Move, Copy, and Bit Shift; Sequencer; Jump and Subroutine;
Assigned slot:	Slot 0
Part Number/Catalog No.	1747-L514
Series	SLC 500
Module Type	SLC 5/01 Processor

I/O	960 Maximum
Analog I/O	480
User Memory	4,000 Instructions
Program Scan Time	8 milliseconds
I/O Scan time	2.6 milliseconds
I/O Chassis	3
Chassis Module Slots	30
Communication	DH-485
Backup Memory	EEPROM
Backplane Current (5 Volts DC)	350 milliamps
Backplane Current (24 Volts DC)	105 milliamps
Operating Temperature	0-60 Celsius

The Allen-Bradley 1747-L514 is an SLC 500 processor unit. This module is also termed as an SLC 5/01 controller which is a single slot width controller. It mounts to the slot 0 of any 1746 modular chassis. It comes with a 4K user memory and embedded DH-485 communication interface. The 1747-L514 is designed for use in small and medium automation requirements. It is capable of controlling a maximum number of 30 I/O modules which can be distributed up to a maximum of 3 1746 chassis. It supports implementation of extended I/O and remote I/O chassis using a variety of supported communication adapter by this SLC 500 controller. The 1747-L514 has an electrical current load of 0.090 at 5VDC. It has a minimum power consumption of 1.75 Watts. The embedded DH-485 port supports use of the 1761-NET-AIC or the Advanced Interface Converter (AIC) module. Additionally, the memory tables of the SLC 5/01 is accessible using the Allen-Bradley Data Table Access module (DTAM).

The 1747-L514 may be installed with an optional non-volatile memory. Non-volatile memory are in the form of Electrically Erasable Programmable Read-Only Memory (EEPROM). Compatible EEPROM are 1747-M1with 1K User Words EEPROM, 1747-M2 with 4 K User Words EEPROM with a 1747-M5 memory module adapter socket. EEPROM modules may be used to burn programs stored in the built-in memory which is a Random Access Memory (RAM). By burning program to the non-volatile memory, user program may be automatically loaded once the controller is power cycled. It uses the 1747-BA lithium battery assembly with a 30-minute capacitor life and a lithium battery with a 2-year lifespan for backup power for the standard RAM. The 1747-L514 has a maximum bit execution time of 4µs and an overall module scan time of 8ms/K. During a temporary power loss, the program scan on the module can take from 20ms to 3s depending on the power supply that is loading. It comes with a base DH-485 communication capability which can only act in a slave capacity (Receiving) in the programming channel. The 1747-L514 has an ambient operating temperature range of 0-60°C (32-140°F) at 5-95% non-condensing relative humidity range, and it is designed to sustain an operational shock of 30G, and a vibration of 2.5G at 57-2000Hz. The 1747-L514 is C-UL, UL, and CE-certified, and it offers a NEMA standard ICS 2-230 industrial noise immunity.

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