Sel 751A - Page 537

E.75
Date Code 20100129 Instruction Manual SEL-751A Relay
Modbus RTU Communications
Modbus Register Map
2021 (R/W) 81R2 TREND 0 2 2 2121
0 = INC
1 = DEC
2 = ABS
2022 (R/W) 81R2 TRIP DELAY sec 10 6000 100 0.01 2122
2023 (R/W) 81R2 DO DELAY sec 0 6000 0 0.01 2123
2024 (R/W) ENABLE 81R3 0 1 0 2124
0 = N
1 = Y
2025 (R/W) 81R3 TRIP LEVEL Hz/s 10 1500 1500 0.01 2125
2026 (R/W) 81R3 TREND 0 2 2 2126
0 = INC
1 = DEC
2 = ABS
2027 (R/W) 81R3 TRIP DELAY sec 10 6000 100 0.01 2127
2028 (R/W) 81R3 DO DELAY sec 0 6000 0 0.01 2128
2029 (R/W) ENABLE 81R4 0 1 0 2129
0 = N
1 = Y
2030 (R/W) 81R4 TRIP LEVEL Hz/s 10 1500 1500 0.01 2130
2031 (R/W) 81R4 TREND 0 2 2 2131
0 = INC
1 = DEC
2 = ABS
2032 (R/W) 81R4 TRIP DELAY sec 10 6000 100 0.01 2132
2033 (R/W) 81R4 DO DELAY sec 0 6000 0 0.01 2133
2034 (R/W) DEMAND MTR 0 1 0 2134
0 = THM
1 = ROL
2035 (R/W) DEM TIME CONSTNT min 0 4 0 2135
0 = 5
1 = 10
2 = 15
3 = 30
4 = 60
2036 (R/W) PH CURR DEM LVL A 1 160 50 0.1 2136
2037 (R/W) RES CURR DEM LVL A 1 160 10 0.1 2137
2038 (R/W) 3I2 CURR DEM LVL A 1 160 10 0.1 2138
2039 (R/W) ENABLE PWR ELEM 0 2 0 2139
0 = N
1 = 3P1
2 = 3P2
2040 (R/W) ENABLE 3PWR1P 0 1 0 2140
0 = N
1 = Y
2041 (R/W) 3PH PWR ELEM PU VA 2 65000 20000 0.1 2141
2042 (R/W) PWR ELEM TYPE 0 3 2 2142
0 = + WATTS
1 = – WATTS
2 = + VARS
3 = –VARS
2043 (R/W) PWR ELEM DELAY sec 0 2400 0 0.1 2143
Table E.32 Modbus Register Map
a
(Sheet 50 of 56)
Modbus Register
Address
b
Name/Enums Units Min Max Default
Scale
Facto r
DeviceNet
Parameter
Numbers