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Programmable Controllers > DirectLogic Series P... > DirectLogic 205 (Mic... > Ethernet Remote I/O

In Depth

DL205 PLC Ethernet Remote I/O Modules

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In systems where components are separated by large distances or where an extreme amount of I/O is needed, remote I/O points can be located separately from the CPU base and linked through communication. DirectLOGIC 205 Ethernet Remote I/O modules provide a 10/100 Mbps Ethernet link between a CPU and remote I/O bases.

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DirectLOGIC 205 (DL205) PLC
- Ethernet Modules for Remote I/O

DL205 Ethernet Remote Master (ERM) and Ethernet Base Controller Modules (EBCs)

With the DirectLOGIC DL205 programmable logic controller (PLC), remote I/O applications are easy to do!

Ethernet Remote Master Modules
(H2-ERM100)

The Ethernet Remote Master H2-ERM100 connects D2-250-1 and D2-260 CPU systems to slave I/O over a high-speed Ethernet link. The H2-ERM100 can also be used in a WinPLC system, but only one H2-ERM100 module can be used with one slave per system.

Each E2-ERM100 module can support up to 16 additional H2-EBC100 systems, 16 Terminator I/O EBC systems (T1HEBC100), or 16 fully expanded H4-EBC systems systems or 16 GS1/GS2 Series AC Drives, or DURApulse (GS3 Series) AC drives via GS-EDRV100 units. Of course, combinations are fine, too.
The H2-ERM100 module connects to your control network using Category 5 UTP cables for cable runs up to 100 meters. Use repeaters to extend distances and expand the number of nodes.
The PLC, ERM and EBC slave modules work together to update the remote I/O points. These three scan cycles are occurring at the same time, but asynchronously. It is recommended that critical I/O points that must be monitored every scan be placed in the CPU base.
Now ... H2-ERM100 10/100BaseT Ethernet Remote Master Module with 100Mbps data transfer rate; TCP/IP, IPX, Modbus TCP/IP, DHCP Ethernet protocols; HTML configuration

Networking ERM modules with other Ethernet devices

It is highly recommended that a dedicated Ethernet remote I/O network be used for the ERM module and its slaves. While Ethernet networks can handle a very large number of data transactions, and normally handle them very quickly, heavy Ethernet traffic can adversely affect the reliability of the slave I/O and the speed of the I/O network. Keep ERM networks, multiple ERM networks and ECOM/ office networks isolated from one another.

Software configuration

ERM Workbench is a software utility that must be used to configure the ERM and its remote Ethernet slaves. ERM workbench supports two methods of configuring the ERM I/O network:

ERM Workbench PLC Wizard greatly simplifies the configuration procedure when a PLC is used as the CPU interface.
ERM Workbench configures the I/O network whether the CPU interface is PLC or WinPLC, and allows access to all ERM I/O network parameters.

DL205 Ethernet Remote Master modules (ERMs) start at
$224.00
(H2-ERM100)

Ethernet H2-ERM100 Remote Master Modules Overview

Ethernet Base Controllers
(H2-EBC100, T1H-EBC100)

Use EBC modules for PC-based control and for H*-ERM remote I/O slaves.

The H2-EBC100 and T1H-EBC100 Ethernet Base Controller modules (EBCs) provide a low-cost, high-performance Ethernet link between DL205 I/O and your PC-based control system or WinPLC/ DL205/ DL405 CPUs using the H*-ERM module for remote I/O. The H2-EBC100 can also be used to connect your DL205 I/O to a MODBUS TCP/IP client (master).
The H2-EBC100 supports industry standard 10/100BaseT Ethernet communications. All of the EBC modules are compatible with TCP/IP, IPX and MODBUS TCP/IP (H2-EBC100 only) protocols for flexible PC communications. The T1H-EBC100 module supports TCP/ IP, UDP/ IP, IPX and the MODBUS TCP/IP application layer protocol at 100 Mbps maximum.

Easy to use, reliable and fast!

The H2-EBC100 modules plug into the CPU slot of any DirectLOGIC DL205 I/O base and support all DL205 discrete and analog I/O modules, and the H2-SERIO and H2-CTRIO2 specialty modules. All EBC modules can be configured using NetEdit3, a free Windows software utility. The H2-EBC100 also supports HTML configuration.

Off-the-shelf solutions

You can purchase PC-based control software that is ready to use with the H2-EBC100 module. PC-based control packages are equipped with compatible I/O device drivers, program development tools, and run-time environments. See the "PC-based Control Products" section of our Web site for a single-source integrated PC-based control solution that ships with everything you need to make your PC into an industrial controller. Most of the software packages allow you to connect serial devices, such as barcode readers, to the H2-EBC100 serial port.

T1H-EBC100 as H*-ERM slave

When using a DirectLOGIC CPU with an ERM module as the network master, the T1H-EBC100 slave will provide faster analog I/O update times than a DirectLOGIC CPU system with a T1K-RSSS slave system. The ERM/ EBC system can also support a much higher analog I/O count than the T1K-RSSS remote I/O system.

EBC modules offer:

Lower cost on your DirectLOGIC PLC I/O system when compared to competitive I/O alternatives
Virtually unlimited number of I/O points
Deterministic I/O updates on dedicated networks
Fast I/O updates (less than 1 ms per base)
On board serial port for an operator panel, ASCII devices (serial port not supported when used with ERM module)

DL205 Ethernet Base Controllers (EBCs) start at
$342.00
(H2-EBC100)

Ethernet Base Controller Modules (H2-EBC100) Overview