DIN Rail Products
Square D Products
Ethernet Port Expander
EPE5-T: four RS-485 serial ports
Description The EPE5 is one of Niobrara's most popular products.
The EPE5 comes in two versions. Both versions have a 10BaseT Ethernet port and four serial ports. The serial ports of the EPE5-T are RS-422/485. The serial ports of the EPE5-ST are RS-232 ports.
The EPE5-T replaces the EPE5-TCP-D and the EPE5-TCP-A. An Ethernet media converter is needed to go from twisted-pair to other Ethernet media.
The EPE5 now has several new features previously unavailable:
Modbus Master to Ethernet Gateway
Ethernet to Modbus Slave Bridge
Modbus/TCP to SY/MAXR Ethernet Protocol Converter
Ethernet to POWERLOGICR Bridge
SY/MAX Ethernet NIM
PLC programming access point
Serial Protocol Converter
Ethernet troubleshooting device
The EPE5 supports twisted pair Ethernet cabling with its RJ45 jack. The Ethernet port can speak Modbus/TCP, SY/MAX 802.3, or both protocols simultaneously. The EPE5 supports BOOTP and DHCP for easy IP configuration. An Ethernet I/O scanner table supports 128 entries.
The serial ports support 18 separate modes including all of the Square D and Modicon serial protocols. Each port can be independently configured. Some modes allow devices with different protocols to exist on the same physical media. Each serial port has an auto-scan table of 48 entries.
The serial ports of the EPE5-T support 4-wire RS-422 point-to-point or 2-wire or 4-wire RS-485 multidrop. An SC902 can be used with the EPE5-T for an RS-232 connection. A DDC2I-5 converter with a DC1 cable can be used to provide an optically-isolated RS-232 connection.
The serial ports of the EPE5-ST support point-to-point RS-232. An SC902 can be used with an EPE5-ST to provide an RS-422/485 connection. Or, a Niobrara DDC2I-5 can be used to provide an optically-isolated RS-422/485 connection. A pair of DDC2I-5 can be used to extend the RS-232 connection beyond 50 feet
The EPE5 is in the form factor of a SY/MAX rack module. When used in a SY/MAX rack it has a register interface to the PLC but can also be used as a stand-alone solution by including a Niobrara NRK2 single slot rack (below).
The configuration of the EPE5 is stored in registers available from any port. The configuration can be changed "on-the-fly" without rebooting the module. The configuration registers are stored in capacitor-backed RAM. For long-term module storage the configuration can be written to EEPROM "on-the-fly" or to FLASH when the module is in download mode.
The module comes with a CD containing a manual and EPE5SW32 configuration software for the PC. Firmware upgrades are available free of charge for one year after date of purchase. The EPE5 carries a one-year warranty.
The EPE5 is available as:
Dimensions: Standard SY/MAX register module. 1.5" wide by 13" tall by 6.5" deep. Approximately four pounds net. Rugged welded steel enclosure with baked on finish. All serial connectors and indicators are on the front, except the SY/MAX bus card edge connector is on the back and the Ethernet connector is on bottom.
Power Requirements: From SY/MAX bus or NRK2: 5 VDC, 1.5 A
EPE5-T Serial Ports SY/MAX compatible pin-out. Four RS-422/RS-485 serial ports. 50, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 3600, 4800, 7200, 9600, 14,400 or 19,200 baud; 7 or 8 data bits; odd, even or no parity; 1 or 2 stop bits. Selectable checksum (BCC or CRC) supported in some modes. SY/MAX compatible DB9 female connectors with slide-lock posts. When used in RS-485 mode, ports are 2- and 4-wire compatible. Handshaking. Auto-scan and Auto-transfer enabled. Configurable Bias and Termination.
EPE5-ST Serial Ports: PC COM: port compatible pin-out. Four RS-232 serial ports. 50, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 3600, 4800, 7200, 9600, 14,400 or 19,200 baud; 7 or 8 data bits; odd, even or no parity; 1 or 2 stop bits. Selectable checksum (BCC or CRC) supported in some modes. PC COM: port compatible DB9 male connectors with screw posts. Handshaking. Auto-scan and Auto-transfer enabled.
Serial Port Modes: Each serial port can independently operate in any of the following modes: SY/MAX, Net-to-Net, Peripheral, PLogic, Multidrop, IDEC, Modbus Host (RTU - Master and Slave), Modbus Gate (RTU - master and slave), Modbus ASCII, Gateway, Transparent, Share, PNIM, RNIM Master, RNIM Slave, Transfer, Chevron, or Dual Slave.
Ethernet Port: 10BaseT (Twisted pair) with RJ45 connector. 128 entry I/O scanner.
Ethernet Port Modes: SY/MAX 802.3, Modbus/TCP, or Modbus/TCP+SY/MAX. E-Peer compatible (SY/MAX 802.3 mode only).
IP Configuration: BOOTP, DHCP, or configuration register writes.
Mailbox Registers: 2048 processor equivalent registers addressed 1 through 2048. Any number of these may be rack addressed as needed for user applications. Any rack addressed register can be a PLC input or a PLC output as required by the application.
Module Configuration: Module configuration is stored in registers in capacitor-backed RAM and can be changed "on the fly". For long-term storage, configuration can be stored to EEPROM "on the fly" or to FLASH when module is in download mode.
Indicators: Transmit and Receive LEDs for each serial port. Transmit, Receive, Link, Collision, and Error LEDs for the Ethernet port. Active, Error, and Busy LEDs for the Module. Sixteen total indicators.
Operating Conditions: 0 to 50 degrees C operating temperature; -40 to 80 degrees C storage. Humidity up to 90% noncondensing. Pressure altitude -200 to +10,000 feet MSL.
Buttons & Switches: Clear button erases RAM and restores module configuration from EEPROM, FLASH, or Factory Defaults. Download switch allows for module firmware download or configuration storage to FLASH.
Effective 18 March 2008 - Specifications subject to change without notice.