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OverviewAllen-Bradley 1785-L20B PLC-5/20 Processor, 16K Word SRAM, Ser E
Mfr. Part Number:

1785-L20B/E

Manufacturer: Allen-Bradley / Rockwell Automation
Description: Allen-Bradley 1785-L20B PLC-5/20 2xDH+/RIO Controller, 16K Word SRAM, Series E
Full Description: Allen-Bradley 1785-L20B PLC-5/20 Processor, 16K Word SRAM, 512 Total I/O, 512 Analog I/O, 1 DH+, 1 DH+/Remote I/O, Series E
UPC / GTIN: 10612598123978
Status: Discontinued by manufacturer
Inventory & Prices
Condition:

NSS (New Surplus Sealed)

Warranty: One Year Replacement Warranty
Availability:
0 in stock 1 available for pre-order
Shipping Date:
 - Ships within 3 working days
Retail Price: $15,100.00
Your Price: $2,489.00
Quantity:
 
Image
1785-L20B/E
Similar Parts Mfr Cond Description Retail Price Disc Qty
1785-L20B/A RA UPP Allen-Bradley 1785-L20B PLC-5/20 Controller, 16K Word SRAM, Series A $15,100.00 $308.00 -98% 5 buyit
1785-L20B/C RA UPP Allen-Bradley 1785-L20B PLC-5/20 Controller, 16K Word SRAM, Series C $15,100.00 $227.00 -98% 20 buyit
1785-L20B/D RA UPP Allen-Bradley 1785-L20B PLC-5/20 Controller, 16K Word SRAM, Series D $15,100.00 $242.00 -98% 7 buyit
1785-L20B/E RA UPP Allen-Bradley 1785-L20B PLC-5/20 2xDH+/RIO Controller, 16K Word SRAM, Series E $15,100.00 $161.00 -99% 14 buyit
Specs & Technical Data
Specifications: 1785-L20B PLC-5/20 Processor, 16K Words User Memory, Battery-backed static RAM, EEPROM program backup option using: 1785-ME16, -ME32, -ME64, and -M100, 512 (any mix) or 512 in + 512 out (complementary) Total I/O, 512 Analog I/O, 10 ms @ 57.6 kbit/s, 7 ms @ 115.2 kbit/s, 3 ms @ 230.4 kbit/s I/O Scan Time per Rack, 1 DH+ and 1 DH+/Remote I/O (Adap or Scan) Channels, Number of Max I/O Chassis – 13, RS-232-C/422-A/423-A Configurable Serial Port, 3.3 A Backplane Current Load @ 5V. 
Miscellaneous: The Allen-Bradley 1785-L20B PLC-5 processors are single-slot modules that are placed into the left-most slot of a 1771 I/O chassis. They are available in a range of I/O, memory, and communication capability. The Allen-Bradley 1785-L20B processor has Data Highway Plus and RS-232-C/422-A/423-A communication ports. In addition to these ports, each Ethernet PLC-5 processor has an Ethernet communication port, and each ControlNet PLC-5 processor has a ControlNet communication port. 
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