GE Multilin 745 Communications Manual page 69

CHAPTER 2: MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 51 of 56)
Addr Description
Volts per hertz 1
2300 Volts-per-hertz 1 function
2301 Volts-per-hertz 1 target
2302 Volts-per-hertz 1 minimum operating voltage
2303 Volts-per-hertz 1 pickup
2304 Volts-per-hertz 1 shape
2305 Volts-per-hertz 1 delay
2306 Volts-per-hertz 1 reset
2307 Volts-per-hertz 1 block
2308 Volts-per-hertz 1 relays
2309 Reserved
↓ ↓
230F Reserved
Volts per hertz 2
2310 Volts-per-hertz 2 function
2311 Volts-per-hertz 2 target
2312 Volts-per-hertz 2 minimum operating voltage
2313 Volts-per-hertz 2 pickup
2314 Volts-per-hertz 2 shape
2315 Volts-per-hertz 2 delay
2316 Volts-per-hertz 2 reset
2317 Volts-per-hertz 2 block
2318 Volts-per-hertz 2 relays
2319 Reserved
↓ ↓
231F Reserved
Winding 1 THD level
2320 Winding 1 THD level function
2321 Winding 1 THD level target
2322 Winding 1 THD level minimum operating current
2323 Winding 1 THD level pickup
2324 Winding 1 THD level delay
2325 Winding 1 THD level block
2326 Winding 1 THD level relays
2327 Reserved
↓ ↓
232F Reserved
Winding 2 THD level
2330 Winding 2 THD level function
2331 Winding 2 THD level target
2332 Winding 1 THD level minimum operating current
2333 Winding 2 THD level pickup
2334 Winding 2 THD level delay
2335 Winding 2 THD level block
2336 Winding 2 THD level relays
2337 Reserved
↓ ↓
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
Range Step
--- ---
--- ---
0.10 to 0.99 0.01
1.00 to 4.00 0.01
--- ---
0.00 to 600.00 0.01
0.0 to 6000.0 0.1
--- ---
1 to 8 ---
↓ ↓
--- ---
--- ---
0.10 to 0.99 0.01
1.00 to 4.00 0.01
--- ---
0.00 to 600.00 0.01
0.0 to 6000.0 0.1
--- ---
1 to 8 ---
↓ ↓
--- ---
--- ---
0.03 to 1.00 0.01
0.1 to 50.0 0.1
0 to 60000 1
--- ---
1 to 8 ---
↓ ↓
--- ---
--- ---
0.03 to 1.00 0.01
0.1 to 50.0 0.1
0 to 60000 1
--- ---
1 to 8 ---
↓ ↓
MODBUS PROTOCOL
Units Format Default
--- F30 0 = Disabled
--- F46 0 = Self-reset
× VT F3 10 = 0.10 × VT
V/Hz F3 236 = 2.36 V/Hz
--- F86 0 = Def. Time
s F3 200 = 2.00 s
s F2 0.0 s
--- F87 0 = Disabled
--- F153 None
↓ ↓ ↓
--- F30 0 = Disabled
--- F46 1 = Latched
x VT F3 10 = 0.10 x VT
V/Hz F3 214 = 2.14 V/Hz
--- F86 0 = Def. Time
s F3 4500 = 45.00 s
s F2 0.0 s
--- F87 0 = Disabled
--- F153 None
↓ ↓ ↓
--- F30 0 = Disabled
--- F46 0 = Self-reset
× CT F3 10 = 0.10 × CT
% ƒo F2 500 = 50.0%
s F1 10 s
--- F87 0 = Disabled
--- F153 None
↓ ↓ ↓
--- F30 0 = Disabled
--- F46 0 = Self-reset
× CT F3 10 = 0.10 × CT
% ƒo F2 500 = 50.0%
s F1 10 s
--- F87 0 = Disabled
--- F153 None
↓ ↓ ↓
2–63