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1785-L40B

Standard Processor 2048 I/O 4 DH+ Ports | 1785-L40B Allen-Bradley

In stock (17 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1785-L40B

  • Product Type: Processor Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1500g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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Description

Allen-Bradley 1785-L40B PLC-5/40 Standard Processor

Allen-Bradley 1785-L40B is a PLC-5/40 standard processor with 48K words of battery-backed user memory. Supports 2048 I/O (any mix) or 2048 in + 2048 out complementary configuration, with 4 DH+/Remote I/O combination ports and 1 serial port.

Key Specifications

Parameter Value
Part Number 1785-L40B
Series PLC-5
Processor Model PLC-5/40
Max User Memory 48 Kilowords
Battery-Backed SRAM Yes (battery 1770-XYC)
Max Total I/O 2048 (any mix) / 2048 in + 2048 out
Max Analog I/O 2048
Backplane Current Load 3.3A
Power Dissipation 17.3W
Weight 1.5 kg

Communication Ports

Port Type
DH+/Remote I/O 4 combination ports (Adapter or Scanner)
Serial Port 1 x RS-232-C/422-A/423-A
Control Coprocessor Expansion Yes

I/O Scan Time & Chassis

Parameter Value
Scan Time (57.6 kbit/s) 10 ms per rack
Scan Time (115.2 kbit/s) 7 ms per rack
Scan Time (230.4 kbit/s) 3 ms per rack
Max I/O Chassis Total 61
Max Universal Remote Chassis 32 per I/O link
Max I/O per Link 32

Environmental & Power Supply

Parameter Value
Operating Temperature 0°C to +60°C (32°F to 140°F)
Non-Operating Temperature -40°C to +85°C (-40°F to 185°F)
Power Supply Options 1771-P4S, -P6S, -P4S1, -P6S1

FAQs

Q1: How much user memory does the 1785-L40B have?
A1: 48 Kilowords of battery-backed static RAM.

Q2: How many DH+/Remote I/O ports does this controller provide?
A2: 4 combination DH+/Remote I/O ports, each usable with separate networks.

Q3: What is the maximum I/O capacity?
A3: 2048 I/O in any mix or 2048 in + 2048 out complementary.

🏷️ Tags: Processor Module

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