Allen-Bradley 1785-L40E PLC5 Controller

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u Sales Manager：Miya zheng

u E-mail: sales@amikon.cn

u Phone: +86-18020776792（whatsapp）

Manufacturer

Allen Bradley

Product Type

Programmable Logic Controller

Product Line

PLC 5

Part Number

1785-L40E

UPC

612598126439

Weight

3.00 lbs (1.36 kg)

Operating Temperature

EC 60068-2-1 (Test Ad, Operating Cold), IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): 0...60 o C (32...140 o F)

Maximum number of I/O per link

32

Battery

1770-XYC

Memory

48 KWords

Embedded Communication interfaces

4 DH+/Remote I/O (Adapter or Scanner) 1 serial port, configurable for RS-232 and 423 and RS-422A standards

Backplane current load

3.3A

Power Dissipation

17.3W

Power Supply

1771-P4S, -P6S, -P4S1, -P6S1

Non-Operating Temperature

IEC 60068-2-1 (Test Ab, Un-packaged Nonoperating Cold), IEC 60068-2-2 (Test Bc, Un-packaged Nonoperating Dry Heat), IEC 60068-2-14 (Test Na, Un- packaged Nonoperating Thermal Shock): –40...85 o C (– 40...185 o F)

Module Type

Ethernet PLC-5 Processor

Processor

PLC-5/40E

Max User Memory Words

48 Kilowords

Battery-Backed Static RAM

Yes

EEPROM Program Backup Option (using 1785-ME16, -ME32, -ME64, and -M100)

Yes

Protected Memory

No

Max Total I/O

2048 (any mix) or 2048 in + 2048 out (complementary)

Max Analog I/O

2048

I/O Scan Time Per Rack

10 ms at 57.6 kbits/s, 7 ms at 115.2 kbits/s, 3 ms at 230.4 mbits/s

PLC-5 Controller

Designed for medium and large-scale automation applications

48K Memory Capacity

Supports complex control programs and data handling

Ethernet Communication

Integrated Ethernet port with 10/100 Mbps support

Dual DH+/RIO Ports

Supports DH+ and Remote I/O scanner or adapter functions

Serial Communication Interface

Supports RS-232, RS-422A, and RS-423 standards

Large I/O Support

Supports up to 2048 mixed I/O points

Distributed I/O Capability

Supports up to 61 I/O chassis links

IEC 61131-3 Programming

Supports Ladder Logic, Structured Text, and SFC

Fast I/O Scan Performance

Provides high-speed local and remote I/O scanning

Backup Memory Support

Compatible with optional EEPROM and lithium battery modules

Questions: What is the main purpose of the 1785-L40E controller?

Answer: The 1785-L40E is a PLC-5 programmable controller used for machine automation, process control, and distributed industrial applications.

Questions: Which communication interfaces are available on the 1785-L40E?

Answer: The controller includes Ethernet, DH+, Remote I/O, and serial communication interfaces supporting RS-232, RS-422A, and RS-423 standards.

Questions: How many I/O points can the 1785-L40E support?

Answer: The controller supports up to 2048 mixed I/O points or 2048 inputs and 2048 outputs complementary.

Questions: Which programming languages are supported by the 1785-L40E?

Answer: The controller supports Ladder Logic, Structured Text (ST), and Sequential Function Chart (SFC) programming languages.

Questions: Which chassis are compatible with the 1785-L40E?

Answer: The controller is compatible with 1771-A1B, 1771-A2B, 1771-A3B, 1771-A3B1, and 1771-A4B chassis.

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