Communications; Real Time Clock - GE Multilin 489 Instruction Manual

CHAPTER 5: SETPOINTS

COMMUNICATIONS

Note
5.2.4

Real Time Clock

REAL TIME
CLOCK
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
Courtesy of NationalSwitchgear.com
Ethernet Communications
The following setpoints appear when the relay is ordered with the Ethernet (T) option.
PATH: SETPOINTS S1 489 SETUP
SLAVE ADDRESS:
[ ]
254
COMPUTER RS485
MESSAGE
BAUD RATE: 9600
COMPUTER RS485
MESSAGE
PARITY: None
FRONT PORT RS232
MESSAGE
BAUD RATE: 19200
IP ADDRESS:
MESSAGE
0.0.0.0
SUBNET IP MASK:
MESSAGE
255.255.255.000
GATEWAY IP ADDRESS:
MESSAGE
0.0.0.0
The IP addresses are used with the Modbus protocol. Enter the dedicated IP, subnet IP, and
gateway IP addresses provided by the network administrator.
To ensure optimal response from the relay, the typical connection timeout should be set as
indicated in the following table:
TCP/IP sessions Timeout setting
up to 2 2 seconds
up to 4 3 seconds
The RS485 COM2 port is disabled if the Ethernet option is ordered.
PATH: SETPOINTS S1 489 SETUP
[ ] DATE (MM, DD, YYYY):
01/01/1995
TIME (HH.MM.SS):
MESSAGE
12:00:00
IRIG-B SIGNAL TYPE:
MESSAGE
NONE
For events that are recorded by the event recorder to be correctly time/date stamped, the
correct time and date must be entered. A battery backed internal clock runs continuously
even when power is off. It has the same accuracy as an electronic watch approximately ±1
minute per month. It must be periodically corrected either manually through the front
COMMUNICATIONS
Range: 1 to 254 in steps of 1
Range: 300, 1200, 2400, 4800, 9600,
19200
Range: None, Odd, Even
Range: 300, 1200, 2400, 4800, 9600,
19200
Range: standard IP address format
Range: standard IP address format
Range: standard IP address format
REAL TIME CLOCK
Range: 01/01/1995 to 12/31/2094
Range: 00:00:00 to 23:59:59
Range: None, DC Shift, Amplitude
Modulated
5–13