DirectLOGIC 405 Series

The DirectLOGIC 405 Series (DL405) from AutomationDirect is a modular, powerful, and cost-effective PLC system, ideal for medium to large-scale industrial automation applications. It offers the widest variety of I/O modules and configurations among all DirectLOGIC PLC families.

Product Highlights

• Two types of CPUs available:

  • D4-454 (AC-powered)

  • D4-454DC-1 (DC-powered)

• Modular system with support for up to 8-slot configurations

• Maximum I/O capacity of 2,048 points

• Program memory: 31.5K / Data memory: 15.3K

• Four communication ports for flexible integration

• Supports up to 16 built-in PID control loops (expandable to 96 with modules)

Key Features

• AC/DC discrete input/output modules, up to 64 points per module

• Relay output options up to 10 amps

• 12-bit and 16-bit analog input/output modules

• Thermocouple and RTD input modules

• Serial and Ethernet communication modules

• High-speed counter and PID control modules

• Remote I/O master and slave modules (serial and Ethernet)

• Expandable with local base extension units and cables

Model Number Highlights

CPU Modules

• D4-454: 31.5K memory, 1,024 I/O points, 15.3K data register, AC-powered

• D4-454DC-1: Same specs as D4-454 but DC-powered

Base Units

• D4-04B-1: 4 slots

• D4-06B-1: 6 slots

• D4-08B-1: 8 slots

Base Expansion

• D4-EX (AC) / D4-EXDC (DC): Requires base expansion cable (D4-EXCBL-1 or D4-EXCBL-2)

Input Modules

• D4-08ND3S: 8 pts, 24–48 VDC sync/source

• D4-16ND2 / D4-16ND2F: 16 pts, 12–24 VDC source

• D4-32ND3-1: 32 pts, 24 VDC sync/source

• D4-64ND2: 64 pts, 20–28 VDC source

• D4-08NA: 8 pts, 100–200 VAC

• D4-16NA: 16 pts, 100 VAC

Output Modules

• DC output: F4-08TD1S, D4-16TD1, D4-16TD2, D4-32TD1, D4-32TD2, D4-64TD1

• AC output: D4-08TA, D4-16TA

• Relay output: D4-08TR, F4-08TRS-1, F4-08TRS-2, D4-16TR

Analog Input Modules

• F4-04AD, F4-04ADS: 4-channel voltage/current

• F4-08AD: 8-channel voltage/current

• F4-16AD-1 / -2: 16-channel current or voltage

• F4-08THM: Thermocouple input

• F4-08RTD: RTD input

Analog Output Modules

• F4-04DA-1 / -2: 4-channel current/voltage

• F4-08DA-1 / -2: 8-channel current/voltage

• F4-16DA-1 / -2: 16-channel current/voltage

• F4-04DAS-1 / -2: 4-channel source-type output

Special Modules

• D4-RM: Serial remote I/O master

• D4-RS / D4-RSDC: Remote I/O slaves

• H4-ERM100: Ethernet remote master

• H4-ECOM100: Ethernet communication

• D4-DCM: Serial communication

• F4-16PID: PID coprocessor

• F4-4LTC: 4-loop temperature controller

• H4-CTRIO: High-speed counter I/O

Accessories and Cables

• D4-FILL: Dummy slot cover

• PC-DSOFT5: PC-based programming software

• FA-ISOCON: RS232 to RS422/RS485 converter

• Assorted cables: S-15CNJ, S-9CNS1, S-15CNP1, S-25CNP1, Z-20JP

• D3-D4-BAT: Memory backup battery

Discontinued Models

• Many older modules and parts now replaced with newer equivalents such as D4-454 and D4-454DC-1

• Refer to model transition notes for compatible upgrades