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Allen Bradley 1785-L20B PLC5 Processor Module Controller

Allen Bradley 1785-L20B PLC5 Processor Module Controller

The Allen-Bradley 1785-L20B is an Allen-Bradley PLC5 Processor Module Controller. This controller has 16K words of user memory, supports 512 (any mix) or 512 in + 512 out (complementary).


  • Brand:

    Allen Bradley
  • Item No.:

    Allen Bradley 1785-L20B
  • Payment:

    TT or Western Union
  • Product origin:

    USA
  • Shipping port:

    Xiamen
  • Lead Time:

    1-3 working days
  • Condition:

    Original New
  • Warranty:

    12 Months
  • Description:

    PLC-5/20 Standard Processor Module
  • Product Type:

    Programmable Logic Controller
  • System:

    Allen Bradley PLC-5

1PC New 1785-L20B PLC5/20 Processor Module 1785L20B


1785-L20B CM Profile :

The Allen-Bradley 1785-L20B is a Programmable Logic Controller (PLC) module. This product is a PLC controller that belongs to the legacy PLC5 product family.
The 1785-L20B features a variety of embedded communication ports such as One (1) DH+ (Fixed), One (1) DH+/Remote I/O (Adapter or Scanner) One (1) serial port, configurable for RS-232 and 423 and RS-422A standards. These communications ports support individual configuration and independently functions from each other, They can be used simultaneously to implement the intended functions such as communication to compatible partner devices for data exchanges, communication with visualization devices and interaction with programming workstation.


Allen Bradley 1785-L20B Technical Specifications:

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number/Catalog No. 1785-L20B
Remote I/O: 12 chassis
Maximum Number of I/O Racks: 4 (0-3)
Battery: 1770-XYC
Memory: 16 Kwords
Backplane current load: 2.3 A
Power Dissipation: 12 W
Power Supply: 1771-P4S, -P6S, -P4S1, -P6S1
Product Family: PLC5


allen bradley processor


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Related Products:

1756-L72 1769-L24ER-QBFC1B/A 1762-L40BXB/C 1762-L40AWA/B
1761-L16AWA/B 1785-L40E/E 1756-L62 1747-L40C/A
1768-L45/D 1336-L5 1761-L16BWA/C 1785-LT3
1773-L1A 1769-L16ER-BB1B 1747-L20C/C 1766-L32BXBA/C
1769-L18ER-BB1B 1756-L55M16 1747-L30C 1794-L34
1747-L552/D 1772-LZP/D 1747-L543P 1769-L23E-QBFC1B/A
1762-L24BWA/C 1769-L30ER/A 1747-L30C/C 1785-L60L
1747-L40C 1747-L30L/B 1747-L20E 1761-L32AWA/A
1762-L40AWAR 1762-L40AWA/A 1766-L32BWAA 1785-L60B
1769-L27ERM-QBFC1B/A 1775-L3 1756-L63S 1756-L61/B
1785-L40L/D 1756-L1M3 1772-LX/C 1769-L19ER-BB2B
1756-L73 1785-LT4 1756-L61S 1785-LT/B
1747-L20L 1756-L73/A 1756-L1M1/A 1785-LT2
1761-L32BWA 1785-L30B/C 1785-L40C/E 1785-L40L/A


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