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Allen-Bradley Processor 1785-L80B Ser E PLC 5/80 Enhanced PLC-5 Controller NEW F4

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Allen-Bradley Processor 1785-L80B Ser E PLC 5/80 Enhanced PLC-5 Controller NEW F4

Large Image :  Allen-Bradley Processor 1785-L80B Ser E PLC 5/80 Enhanced PLC-5 Controller NEW F4

Product Details:

Place of Origin: USA
Brand Name: Allen Bradley
Model Number: 1785-L80B

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: negotiable
Packaging Details: New in original box
Delivery Time: 2-3 work days
Payment Terms: T/T, Western Union
Supply Ability: 100
Detailed Product Description
Brand: Allen Bradley Model: 1785-L80B
K: 48 Tpye: Redundancy Module
Place Of Origin: USA FW: K.2
High Light:

analog interface module

,

diode redundancy module

Allen-Bradley Processor 1785-L80B Ser E PLC 5/80 Enhanced PLC-5 Controller NEW F4


 
 

Technical specifications:
Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number/Catalog No. 1785-L80B
Module Type Standard Processor
Processor PLC-5/80
Max User Memory Words 100 Kilowords
Battery-Backed Static RAM Yes
EEPROM Program Backup Option (using 1785-ME16, -ME32, -ME64, and -M100) Yes
Protected Memory No
Max Total I/O 3072 (any mix) or 3072 in + 3072 out (complementary)
Max Analog I/O 3072
I/O Scan Time Per Rack 10 ms at 57.6 kbits/s, 7 ms at 115.2 kbits/s, 3 ms at 230.4 mbits/s
Max I/O Chassis Total 93
Max I/O Chassis Extended Local 0
Max I/O Chassis Universal Remote 32 Max. Per I/O Link
RS-232-C/422-A/423- A Ports 1
Control Coprocessor Expansion Port Yes
 
 
 

About 1785-L80B

The programmable controller 1785-L80B is a central part of each control system based on the Allen Bradley PLC-5 series. The 1785-L80B connects local, extended, and remote I/O modules on various communication interfaces into one control system. Four built-in ports are available on the 1785-L80B controller. The ports are marked as channel 1A, channel 1B, channel 2A, and channel 2B. All ports can be configured and used as remote I/O scanners, remote I/O adapters, and DH+ communication interfaces. DH+ communication can be used both for remote programming and monitoring of the 1785-L80B and for creating a peer-to-peer communication network between the various PLC-5 controllers. Remote I/O connection is used for real-time data exchange between the controller and I/O, operator interface, and other functions. All four channels on the 1785-L80B can function as remote I/O scanners or remote I/O communication adapters. Remote I/O scanner mode reads and writes I/O information between a controller and a remote I/O device. In this mode, the 1785-L80B is a supervisory controller for other controllers that are in adapter mode and for remote I/O adapter modules. When any of the four channels 1A, 1B, 2A, or 2B, function in remote I/O adapter mode, the controller monitors its controller-resident local I/O while communicating with the supervisory controller via a remote link.

On the 1785-L80B, the Data Highway Plus (DH+) link can be used on all four existing channels. DH+ communication can be used for data transfer to other PLC-5 controllers or other higher-level components of the control system. The DH+ link can program multiple PLC-5 controllers. On the front panel of the 1785-L80B controller, there is a 25-pin connector marked channel 0. This is an optically isolated EIA RS232C port. Channel 0 supports ASCII and DF1 full and half-duplex master and half-duplex slave protocols. On the front panel is a green channel 0 communication indicator light. Beside channel 0, there are two 8-pin mini-DIN connectors marked as channel 1A and channel 2A, and there is a DH+ programming terminal connection parallel to channels 1A and 2A. There are four three-pin connectors used as communication ports. These three-pin connectors are used for channel 1A, 1B, 2A, and 2B. All of these ports can function as remote I/O scanners, remote I/O adapters, or as DH+ communication ports. The maximum cable length for the DH+ link depends on the transmission rate. It is crucial that all devices on a DH+ link communicate at the same rate. That length goes from a maximum 3048m for speed 57.6 kilobits per second, to 762m for a speed of 230.4 kilobits per second.

 

 

The 1785-L80B has several indicators on the front panel for easy interaction. Indicators display various controller statuses. The indicator marked BATT displays the status of the battery. The indicator marked PROC indicates the current controller mode, it is green when the controller is in RUN mode, and red when something is wrong. The FORCE indicator is amber when the I/O forces are enabled. The COMM indicator is linked with channel 0's communication status. The indicator is green when the channel is communicating. All four communication channels: 1A, 1B, 2A, and 2B, have dedicated status indicators.


 
 
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Contact person: Anna
E-mail: wisdomlongkeji@163.com
Cellphone: +0086-13534205279
 
 
 
 
 
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The Allen-Bradley 1785-L80B is a CPU module for PLC-5 programmable controllers. It is a modular component of a 1771 I/O system comprising an I/O chassis, a power supply, the CPU module, and various I/O modules. The 1785-L80B occupies one slot in the 1771 I/O chassis. The maximum user memory provided on the 1785-L80B is 100 K words. A slot for additional memory modules is provided on the 1785-L80B. The 1785-L80B supports a maximum of 3072 I/O (any mix) or 3072 outputs or 3072 inputs (complementary). The 1785-L80B supports a maximum of 24 I/O racks (with an address range of 0 to 27). The maximum number of I/O chassis supported are 93 (1 local plus 92 remote chassis).

 

 

 

Four DH+/Remote I/O (configurable for the adapter and scanner modes) are provided on the 1785-L80B. Four 3-pin ports (Channels 1A, 1B, 2A, 2B) can be configured for remote I/O scanners, remote I/O adapters, DH+, or unused. The default configuration for Channels 2A and 2B is “unused.” The default configuration of Channel 1A is for the DH+ network at 57.6 kbps whereas the default configuration of Channel 1B is for the remote I/O scanner. One serial port that is configurable for the EIA RS-232 / RS-423 systems and it is compatible with the RS-422A system is also provided. The physical interface of the serial port is a D-shell with 25 pins. The default port configuration is set to 2400 bps, DF1 point-to-point, no parity, one stop-bit, and BCC error check. The default configuration enables processor programming. The 1785-L80B dissipates 17.3 Watts power as heat and it draws 3.3 Amps (at 5 Volts DC) from the backplane.

 

 

 

 

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