CHAPTER 2: MODBUS COMMUNICATION MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE 2-89
2
" 6673 Loss Of Excitation Pickup Delay 2 0 to 65.535 s 0.001 F001 500
" 6674 Loss Of Excitation UV Supervision 0 to 1.25 pu 0.001 F001 700
" 6675 Loss Of Excitation Block 0 to 4294967295 --- 1 F300 0
" 6677 Loss Of Excitation Target 0 to 2 --- 1 F109 0 (Self-reset)
" 6678 Loss Of Excitation Events 0 to 1 --- 1 F102 0 (Disabled)
" 6679 Reserved (5 items) 0 to 65535 --- 1 F001 0
Bus Configuration (Read/Write Setting) (6 Modules)
B90 667E ...Repeated for Bus Zone 3
Sensitive Directional Power (Read/Write Grouped Setting) (2 Modules)
C60, D60, F60, 
G30, G60, L90, 
M60, N60, T60
6680 Sensitive Directional Power 1 Function 0 to 1 --- 1 F102 0 (Disabled)
" 6681 Sensitive Directional Power 1 Signal Source 0 to 5 --- 1 F167 0 (SRC 1)
" 6682 Sensitive Directional Power 1 RCA 0 to 359 degrees 1 F001 0
" 6683 Sensitive Directional Power 1 Calibration 0 to 0.95 degrees 0.05 F001 0
" 6684 Sensitive Directional Power 1 STG1 SMIN -1.2 to 1.2 pu 0.001 F002 100
" 6685 Sensitive Directional Power 1 STG1 Delay 0 to 600 s 0.01 F001 50
" 6686 Sensitive Directional Power 1 STG2 SMIN -1.2 to 1.2 pu 0.001 F002 100
" 6687 Sensitive Directional Power 1 STG2 Delay 0 to 600 s 0.01 F001 2000
" 6688 Sensitive Directional Power 1 Block 0 to 4294967295 --- 1 F300 0
" 668A Sensitive Directional Power 1 Target 0 to 2 --- 1 F109 0 (Self-reset)
" 668B Sensitive Directional Power 1 Events 0 to 1 --- 1 F102 0 (Disabled)
" 668C Reserved (5 items) 0 to 65535 --- 1 F001 0
" 6691 ...Repeated for Sensitive Directional Power 
2
Underpower (Read/Write Grouped Setting) (2 Modules)
M60 66AA Underpower 1 Function 0 to 1 --- 1 F102 0 (Disabled)
" 66AB Underpower 1 Start Block Delay 0 to 600 s 0.01 F001 50
" 66AC Underpower 1 Alarm Power Pickup 0.05 to 2 pu 0.01 F001 50
" 66AD Underpower 1 Alarm Pickup Delay 0 to 600 s 0.01 F001 200
" 66AE Underpower 1 Trip Power Pickup 0.05 to 2 pu 0.01 F001 40
Underpower (Read/Write Grouped Setting) (2 Modules)
M60 66AF Underpower 1 Trip Pickup Delay 0 to 600 s 0.01 F001 100
" 66B0 Underpower 1 Trip Reset Delay 0 to 600 s 0.01 F001 100
" 66B1 Underpower 1 Block 0 to 4294967295 --- 1 F300 0
" 66B3 Underpower 1 Target 0 to 2 --- 1 F109 0 (Self-reset)
" 66B4 Underpower 1 Events 0 to 1 --- 1 F102 0 (Disabled)
" 66B5 ...Repeated for Underpower 2
Load Encroachment (Read/Write Grouped Setting)
D30, D60, F60, 
L60, L90, T60
66C0 Load Encroachment Function 0 to 1 --- 1 F102 0 (Disabled)
" 66C1 Load Encroachment Source 0 to 5 --- 1 F167 0 (SRC 1)
" 66C2 Load Encroachment Minimum Voltage 0.004 to 3 pu 0.001 F001 250
" 66C3 Load Encroachment Reach 0.02 to 250 ohms 0.01 F001 100
" 66C4 Load Encroachment Angle 5 to 50 degrees 1 F001 30
" 66C5 Load Encroachment Pickup Delay 0 to 65.535 s 0.001 F001 0
" 66C6 Load Encroachment Reset Delay 0 to 65.535 s 0.001 F001 0
" 66C7 Load Encroachment Block 0 to 4294967295 --- 1 F300 0
Products Address Register name Range Units Step Format Default