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GE Multilin 489 Generator Management Relay 6-35
6 COMMUNICATIONS 6.3 MODBUS MEMORY MAP
6
F107 Unsigned
16 bit integer
Nominal frequency selection
0 = -----, 1 = 60 Hz, 2 = 50 Hz, 3 = 25 Hz
F109 Unsigned
16 bit integer
Breaker status switch type
0 = Auxiliary a, 1 = Auxiliary b
F115 Unsigned
16 bit integer
Alarm / trip type selection
0 = Off, 1 = Latched, 2 = Unlatched
F117 Unsigned
16 bit integer
Reset mode
0 = All Resets, 1 = Remote Reset Only
F118 Unsigned
16 bit integer
Setpoint Group
0 = Group 1, 1 = Group 2
F120 Unsigned
16 bit integer
RTD type
0 = 100 Ohm Platinum, 1 = 120 Ohm Nickel, 2 = 100 Ohm Nickel, 3 = 10 Ohm Copper
F121 Unsigned
16 bit integer
RTD application
0 = None, 1 = Stator, 2 = Bearing, 3 = Ambient, 4 = Other
F122 Unsigned
16 bit integer
RTD voting selection
1 = RTD #1, 2 = RTD #2, 3= RTD #3,..., 12 = RTD #12
F123 Unsigned
16 bit integer
Alarm / trip status
0 = Not Enabled, 1 = Inactive, 2 = Timing Out, 3 = Active Trip, 4 = Latched Trip
F124 Unsigned
16 bit integer
Phase rotation selection
0 = ----, 1 = ABC, 2 = ACB
F126 Unsigned
16 bit integer
Disabled / Enabled selection
0 = Disabled, 1 = Enabled
F127 Unsigned
16 bit integer
Analog output parameter selection
F128 Unsigned
16 bit integer
Overcurrent curve style selection
F129 Unsigned
16 bit integer
Analog input selection
0 = Disabled, 1 = 4-20 mA, 2 = 0-20 mA, 3 = 0-1 mA
F130 Unsigned
16 bit integer
Pickup type
0 = Over, 1 = Under
Table 6–2: DATA FORMATS (SHEET 2 OF 5)
FORMAT
CODE
TYPE DEFINITION
VALUE PARAMETER VALUE PARAMETER
0 None 22 AB Voltage
1 IA Output Current 23 BC Voltage
2 IB Output Current 24 CA Voltage
3 IC Output Current 25 Average Voltage
4 Avg. Output Current 26 Volts / Hertz
5 Neg. Seq. Current 27 Frequency
6 Averaged Gen. Load 28 Neutral Voltage (3rd)
7 Hottest Stator RTD 29 Power Factor
8 Hottest Bearing RTD 30 Reactive Power (Mvar)
9 Ambient RTD 31 Real Power (MW)
10 RTD #1 32 Apparent Power (MVA)
11 RTD #2 33 Analog Input 1
12 RTD #3 34 Analog Input 2
13 RTD #4 35 Analog Input 3
14 RTD #5 36 Analog Input 4
15 RTD #6 37 Tachometer
16 RTD #7 38 Therm. Capacity Used
17 RTD #8 39 Current Demand
18 RTD #9 40 Mar Demand
19 RTD #10 41 MW Demand
20 RTD #11 42 MVD Demand
21 RTD #12
VALUE PARAMETER VALUE PARAMETER
0 ANSI Extremely Inverse 7 IEC Short Inverse
1 ANSI Very Inverse 8 IAC Extremely Inverse
2 ANSI Normally Inverse 9 IAC Very Inverse
3 ANSI Moderately Inverse 10 IAC Inverse
4 IEC Curve A (BS142) 11 IAC Short Inverse
5 IEC Curve B (BS142) 12 Flexcurve™
6 IEC Curve C
(
BS142
)
13 Definite Time