GE B30 Instruction Manual page 145

5 SETTINGS
The B30 is equipped with up to three independent serial communication ports. The faceplate RS232 port is intended for
local use and is fixed at 19200 baud and no parity. The rear COM1 port type is selected when ordering: either an Ethernet
or RS485 port. The rear COM2 port is RS485. The RS485 ports have settings for baud rate and parity. It is important that
these parameters agree with the settings used on the computer or other equipment that is connected to these ports. Any of
these ports may be connected to a computer running EnerVista UR Setup. This software can download and upload setting
files, view measured parameters, and upgrade the relay firmware. A maximum of 32 relays can be daisy-chained and con-
nected to a DCS, PLC or PC using the RS485 ports.
For each RS485 port, the minimum time before the port will transmit after receiving data from a host can be set.
This feature allows operation with hosts which hold the RS485 transmitter active for some time after each transmis-
NOTE
sion.
c) NETWORK

PATH: SETTINGS PRODUCT SETUP
 NETWORK

MESSAGE
MESSAGE
MESSAGE
MESSAGE
These messages appear only if the B30 is ordered with an Ethernet card.
To obtain a list of all port numbers used, for example for audit purposes, contact GE technical support with substantiating
information, such as the serial number and order code of your device.
The IP addresses are used with the DNP, Modbus/TCP, IEC 61580, IEC 60870-5-104, TFTP, and HTTP protocols. The
NSAP address is used with the IEC 61850 protocol over the OSI (CLNP/TP4) stack only. Each network protocol has a set-
ting for the TCP/UDP port number. These settings are used only in advanced network configurations and should normally
be left at their default values, but may be changed if required (for example, to allow access to multiple UR-series relays
behind a router). By setting a different
map the relays to the same external IP address. The client software (EnerVista UR Setup, for example) must be configured
to use the correct port number if these settings are used.
When the NSAP address, any TCP/UDP port number, or any user map setting (when used with DNP) is changed, it
will not become active until power to the relay has been cycled (off-on).
NOTE
Do not set more than one protocol to the same
those protocols.
d) MODBUS PROTOCOL

PATH: SETTINGS PRODUCT SETUP
 MODBUS PROTOCOL

MESSAGE
The serial communication ports utilize the Modbus protocol, unless configured for DNP or IEC 60870-5-104 operation (see
descriptions below). This allows the EnerVista UR Setup software to be used. The UR operates as a Modbus slave device
only. When using Modbus protocol on the RS232 port, the B30 will respond regardless of the
grammed. For the RS485 ports each B30 must have a unique address from 1 to 254. Address 0 is the broadcast address
GE Multilin
 
COMMUNICATIONS NETWORK
IP ADDRESS:
0.0.0.0
SUBNET IP MASK:
0.0.0.0
GATEWAY IP ADDRESS:
0.0.0.0
 OSI NETWORK
 ADDRESS (NSAP)
ETHERNET OPERATION
MODE: Full-Duplex
for a given protocol on each UR-series relay, the router can
TCP/UDP PORT NUMBER
TCP/UDP PORT NUMBER
 
COMMUNICATIONS MODBUS PROTOCOL
MODBUS SLAVE
ADDRESS: 254
MODBUS TCP PORT
NUMBER: 502
B30 Bus Differential System
5.2 PRODUCT SETUP
Range: Standard IP address format
Not shown if CPU Type E is ordered.
Range: Standard IP address format
Not shown if CPU Type E is ordered.
Range: Standard IP address format
Not shown if CPU Type E is ordered.
Range: Select to enter the
OSI NETWORK ADDRESS
Not shown if CPU Type E is ordered.
Range: Half-Duplex, Full-Duplex
Not shown if CPU Type E or N is ordered.
, as this will result in unreliable operation of
Range: 1 to 254 in steps of 1
Range: 1 to 65535 in steps of 1
MODBUS SLAVE ADDRESS
.
5
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