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You are looking at: Programmable Controllers > DirectLogic Series P... > DirectLogic 205 (Micro Modular PLC)
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If your application requires the flexibility of a modular control system, a
DirectLOGIC 205 PLC (DL205) PLC control system is the lowest cost, most versatile solution you'll
find. We sell this PLC direct to you for huge savings. Not only does the DL205 PLC come with a low standard price, it is also easy to configure a system. All you have to do is pick out a CPU, plug it in the first slot of the base you choose, and then mix and match various modules into the available slots. The DL205 modular PLC is a great fit for:
The DL205 PLC product line features:
Complete DL205 Overview - 7 Steps to Specifying Eleven Reasons (pdf - 938 KB |
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NOTE: For more details, select from the Subcategories above. For prices, click on the Shop Now icon.
| DL205 PLC Selection Guide |  |
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DL205 CPUs
Four RLL (relay ladder logic) CPUs and two Windows CE-based (WinPLC) CPUs provide a wide range of power and features while minimizing cost.
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Base and Expansion
Four Base sizes are available for local, local expansion, and remote I/O configurations.
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Discrete I/O Modules
19+ Discrete modules are available, ranging from 4-point to 32-point I/O densities, and at prices 2 to 3 times less than the competition.
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Analog I/O Modules
17 Different analog and temperature modules connect to almost any device including RTDs and thermocouples. Modules are generally 1/2 the price of others.
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Communications & Networking
The DL205 PLC family offers many connectivity options, making it suitable for almost any communication intensive application.
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Specialty Modules
The H2-CTRIO counter module is the affordable, high-performance, high-feature solution for counting input and pulse output.
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DirectSOFT Programming Software
The new DirectSOFT5 PLC software package offers a host of advanced features for easier PLC programming.
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Accessories
Everything needed to get and keep a DL205 system up and running.
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| DL205 - Great Fit For On/Off Sequential Control | |
2-for-1 Prices on I/Ogives the DL205 a cost advantage on small and large I/O systems. You can often buy three digital I/O modules for the price of a single Allen-Bradley CompactLogix module! 
Practical built-in communicationsnow includes ASCII in and out. The D2-260 offers two built-in comm ports. Connect a text panel or touch panel to one port and a bar code reader or scale to the second port. 
Expands from 8 I/O to 8,000 I/OFour base sizes can be connected via local expansion I/O, serial remote I/O and Ethernet remote I/O to create a system as large as 8,192 I/O addressed by a single D2-260 CPU. |
Great sequential instructions- Drum instructions are an efficient way to program sequential operations and our drums are made super easy to program with point and click editing. 
RLL and RLL+ programmingOur Relay Ladder Logic (RLL) incorporates intelligent modularized instructions (IBoxes) that perform simple to complex ladder logic. RLL +, or “stage” programming, has instructions to break the program into “stages” or states of a flow chart. 
High-density modules save space and money, and can be wired in seconds using ZIPLinks. ZIPLink products are a very low cost and fast way to wire using feedthrough, relay, fuse and LED terminals. |
| DL205 - Great Fit for Applications with Analog and PID Control | |
2-for-1 prices on Analog I/Ogives the DL205 a cost advantage on small and large I/O systems. Often, you can buy two of our modules for the price of a single Allen-Bradley CompactLogix module. 
Analog I/O modules - the DL205 offers 17 different analog modules to connect to almost any signal including 4-20ma, 0-5V, 0-10V, +/-5V, +/-10V, T/Cs, RTDs for devices such as pressure transmitters, proportional valves, AC drives, panel meters and more. 
Built-in connectivityfor operator interface, device networking, and ASCII communications. The D2-250-1 and D2-260 offer two built-in communication ports. Connect a text panel or touch panel to one port and a bar code reader or scale to the second port. The bottom port also supports networking protocols such as DirectNET and Modbus RTU master/slave. |
C-more touch panels for a low cost window into the application. Features include factory symbol library, PID faceplates, recipe download objects, meters, trend graphs, bar graphs, thumbwheel switch objects, data logging and more. 
Ethernet supports high end computer systems for high speed HMI and supervisory control. H2-ECOM and H2-ECOM-F 10Base-T and fiber optic Ethernet communication modules are available. The H2-ECOM100 offers 100 Mbit speed. 
Built-in PID with auto-tune and fill-in-the-chart alarms, ramp/soak, automatic loop scheduling. The D2-260 with 16 built-in PID loops, and D2-250-1 with four built-in PID loops, allow PID control with ease. The loop auto-tuning lets the CPU automatically determine near optimum loop settings. |
| DL205 - Great Fit for Communication-Intensive Applications | |
Built-in communications to operator interfaces, PLC networking, and more. The D2-250-1 and D2-260 CPUs offer two built-in communication ports that support a wide array of devices. 
Telephone modem support - the industrial telephone modem (MDM-TEL) allows access to PLC data and programs via a telephone line. The rugged industrial telephone modem mounts on a DIN-rail and easily connects to the DL205 PLCs. 
Custom communications built by you with the F2-CP128 universal communication CoProcessor module. Create custom BASIC programs to interface to barcode readers, VF drives, or other intelligent devices. |
Built-in ASCII The D2-260 CPU supports ASCII input and ASCII output. Powerful fill-in-the-blank instructions are used within the RLL program to allow easy communication to or from ASCII devices. 
Industrial Ethernet switch/hub for more deterministic communications. The E-SW05U hub/switch is DIN-rail mountable and connects DL205, DL405 or Terminator I/O and GS1 and GS2 drives (via the GS-EDRV Ethernet drive card), all on the same network. 
Ethernet communications to program multiple PLCs and touch panels over Ethernet, or have multiple touch panels connected to a single PLC with the H2-ECOM module. For super-high speed peer communications between PLCs or to a PC, use the H2-ECOM100 for 100 Mbit rates. |
| DL205 - Great Fit for Simple Data Acquisition and Supervisory Control | |
3-for-1 prices makes the DL205 the low price winner. Data acquisition systems often require many data points to be collected. The low prices of DL205 analog and digital I/O combined with DataWorx data acquisition software leads to a low cost system. 
High-speed, low-cost Ethernet connects I/0 and VFDs. The DL205 supports a wide range of Ethernet-based products for connecting additional field I/O (Terminator I/O, DL205 I/O, DL405 I/O) or even variable speed drives to the monitoring or control system! 
Program PLCs over Ethernet - DL205 PLCs and C-more panels can be programmed over an Ethernet network with the same low cost standard software used to program nonnetworked PLC systems and touch panels. |
High-speed Ethernet Links PLC systems to a supervisory system. Use off-the-shelf Ethernet hubs to communicate between multiple PLCs (peer-to-peer between PLCs) and a supervisory system and communicate among our PLCs that support Ethernet. 
Low cost DeviceNet and Profibus - With a DeviceNet or Profibus slave module in the CPU slot of a DL205 base, a wide variety of low-cost DL205 I/O systems can be added to new and existing DeviceNet and Profibus networks. 
Locate HMI and I/O anywhere Reduce wiring costs by placing I/O near field devices. Up to four expansion bases of I/O can be placed 30 meters from the PLC CPU base. High-speed 10Base-T Ethernet bases (H2-EBC) can be located up to 100 meters from a local base. Fiber optic Ethernet modules increase the distance to 2,000 meters. |
| More Great Fits for the DL205 | |
Counter/Pulse Applications 
Counter/Pulse PDF(731 KB) |
Stepper and Servo Control 
Stepper/Servo PDF(761 KB) |
WinPLC Control 
WinPLC PDF(708 KB) |
| Competitive Comparison |
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