Description

DESCRIPTION

The EPL-2 EtherPoll is a SCADA communications serial server that allows multi-drop devices to use Ethernet LANs. The EPL2 connects any async serial device through a LAN and between LANs via routers. The EPL-2 is designed specifically to support asynchronous polling protocols, such as Poll Select, Modbus, DNP3, IEC-60870-5-101, etc. The EPL-2 uses IP protocol, allowing the necessary data connection over a local LAN and across routed networks. The EPL-2 functions independently of the device protocol, allowing most 8 bit asynchronous protocols to be used with no configuration changes.

The EPL-2 EtherPoll maps data from a serial port to as few as one IP address to as many as 32 remote IP addresses. This feature makes it easy to have redundant host sites that will always receive the same poll responses as the master host site. If you have the objective of installing a backup host site or have a second site that always monitors the RTU responses, the EPL-2 makes it easy.

The EPL-2 Encrypted EtherPoll supports RS232 serial interface speeds up to 230 Kbps. Since it uses the UDP/IP protocol, overhead is much lower than it would be if TCP/IP were used, as there is no “session setup” or “session breakdown” with each connection. Up to 32 remote EPL-2s may be used with each host EPL-2.

The EPL-2 EtherPoll can be managed directly through the serial port as well as through the ethernet port. TCP/IP telnet or a web browser can be used.

Security features embedded in the EPL-2 EtherPoll include fine-grained configuration and management controls, as well as the ability to turn off remote management functions.

Instead of replacing your existing serial RTUs and SCADA system with ethernet RTUs, add the EPL-2 EtherPoll for a fraction of the cost. OEM manufacturers can design the EPL-2 into their products or use it as an add-on method to gain ethernet connectivity. DCB supplies the EPL-2 to many other companies and can provide custom firmware for specific applications.

SPECIFICATIONS

General

• Two independent RS232 serial ports, DTE interface
• DE-9 male serial DTE (terminal interface) ports
• Serial speeds from 300 bps to 230,000 bps
• RJ45 10/100BaseT
• Communications via UDP/IP protocol
• Set up via telnet command line, the serial Port, or web browser
• CE Mark Approved

Power, Status, Port Activity, LAN Connection, LAN Activity

Controls

DIP switch selection for serial port setup

Data Port

Interface: RS-422/485, RS-232, V.24, speeds up to 230,000 bps
Connector: DE-9P RS-232 (commonly known as a DB-9 PC connector)

LAN Connection

Interface: 10BaseT or 100BaseT, autoswitching

Physical/Electrical

• 4 ¼” x 5 ½” x 1 ¾”
• One pound
• -40 to +75C non-condensing relative humidity
• 6 volt DC via external 100-240 VAC power supply, UL and CE
• 500 mA at 6 VDC
• 12, 24, 48,125 VDC 240 VAC Optional

Application

TYPICAL APPLICATIONS

• Connect a host computer to remote terminals that are polled using asynchronous polling protocols
• Connect SCADA host computers to RTUs
• Connect Poll Select host computers to terminals using Poll Select protocol
• Broadcast data from a single host port to multiple remote locations, such as multiple signs splaying identical data
• Migrate serial polled terminals to IP/ethernet based networks
• Securely operate SCADA systems over public networks, including the Internet

   

  EPL-2	Two Port ethernet SCADA Serial Server (6VDC w/ 120 VAC power supply)
  EPL-2/12V	2 Port ethernet SCADA Serial Server with internal 9-18 VDC Input Power Supply
  EPL-2/24V	2 Port ethernet SCADA Serial Server with internal 19-368 VDC Input Power Supply
  EPL-2/48V	2 Port ethernet SCADA Serial Server with internal 36-72 VDC Input Power Supply
  9501083	Optional External 125 VDC Input Power Supply for EPL-2
  6013006	Optional DIN rail mounting clips

  ---