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1785-L40C

Allen-Bradley 1785-L40C PLC-5/40C ControlNet Processor 48K

In stock (27 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1785-L40C

  • Product Type: ControlNet Processor

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1420g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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Description

Allen-Bradley 1785-L40C PLC-5/40C ControlNet Processor

Allen-Bradley 1785-L40C is a PLC-5/40C ControlNet processor module with 48K words of battery-backed SRAM. Supports 2048 I/O (any mix) or 2048 in + 2048 out complementary configuration, with ControlNet network capability at 5 Mbps. Weight approximately 1.42 kg (3 lbs).

Key Specifications

Parameter Value
Part Number 1785-L40C
Series PLC-5
Processor Model PLC-5/40C
Max User Memory 48 Kilowords
Battery-Backed SRAM Yes
Max Total I/O 2048 (any mix) / 2048 in + 2048 out
Max Analog I/O 2048
Backplane Current 3.3A at 5V DC
Weight Approximately 1.42 kg (3 lbs)

ControlNet Specifications

Parameter Value
Network Connector RJ45 ControlNet Network Access Port
I/O Transmission Rate 5 Mbps
Network Update Time 2-100 ms user selectable
Hot Backup Support 1785-CHBM ControlNet Hot Backup Cartridge

Communication & Scan Time

Parameter Value
Programming Port 8-pin mini-DIN
DH+ Port 3-pin default
Serial Port 25-pin D-shell (RS-232-C/422-A/423-A)
Serial Rate Range 57.6K to 230.4K bit/s
Scan Time per Rack 10 ms @ 57.6K / 7 ms @ 115.2K / 3 ms @ 230.4K
Max I/O Chassis Total 61
Max Universal Remote Chassis 32 per I/O link

Environmental & Certifications

Parameter Value
Operating Temperature 0°C to +60°C (32°F to 140°F)
Storage 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
Max Heat Dissipation 59 BTU/hour
Certifications UL, CE, CSA, C-TICK

FAQs

Q1: What is the ControlNet I/O transmission rate?
A1: 5 Mbps with user-selectable network update time of 2-100 ms.

Q2: How much user memory does the 1785-L40C have?
A2: 48 Kilowords of battery-backed SRAM.

Q3: What hot backup option is supported?
A3: 1785-CHBM ControlNet Hot Backup Cartridge.

🏷️ Tags: ControlNet Processor
  • Black
  • Gray
  • DC-powered
  • Modular

Scalar (V/f)

Vector

AC-powered
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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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