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SKU:1785-L40E

1785-L40E Allen-Bradley | Processor 2048 I/O 10/100 Mbps Ethernet

In stock (17 units), ready to be shipped
  • Manufacturer: Allen-Bradley

  • Product No.: 1785-L40E

  • Product Type: ControlNet Processor

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1380g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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Description

Allen-Bradley 1785-L40E PLC-5/40E Ethernet Processor

Allen-Bradley 1785-L40E is a PLC-5/40E Ethernet processor with 48K words of battery-backed user memory. Supports 2048 I/O (any mix) or 2048 in + 2048 out complementary configuration, with 2 DH+/Remote I/O ports, 1 serial port, and 1 Ethernet port. Weight approximately 1.38 kg (3.0 lbs).

Key Specifications

Parameter Value
Part Number 1785-L40E
Series PLC-5
Processor Model PLC-5/40E
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 Approximately 1.38 kg (3.0 lbs)

Communication Ports

Port Type
DH+/Remote I/O 2 combination ports (Adapter or Scanner)
Serial Port 1 x RS-232-C/422-A/423-A
Ethernet Port 1 x 15-pin, 10/100 Mbps (TCP/IP)
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 (1 local + 60 remote)
Max I/O per Link 32
Max I/O Racks 16 (0 to 15)

Environmental & Certifications

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)
Humidity 5% to 95% non-condensing
Operating Shock 30G
Vibration 1G at 10-500 Hz
Clock Accuracy ±5 min per month
Power Supply Options 1771-P4S, -P6S, -P4S1, -P6S1
Certifications UL, CE, CSA, C-TICK

FAQs

Q1: What Ethernet speed does the 1785-L40E support?
A1: 10/100 Mbps via a dedicated 15-pin Ethernet/IP port with TCP/IP protocol.

Q2: How much user memory does this controller have?
A2: 48 Kilowords of battery-backed static RAM.

Q3: What is the maximum I/O chassis configuration?
A3: 61 chassis total (1 local + 60 remote) with up to 32 I/O per link.

🏷️ Tags: ControlNet Processor
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  • Ensure compatibility with your current machinery or control systems.
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  • Follow manufacturer instructions and best practices during installation.

In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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