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58 TRX AC Drives
Communication Parameters
© 2000–2003 Schneider Electric All Rights Reserved
86
09/2003
Monitoring Registers
Word Code Description Possible Values or Range
W450
or 16#5FE8/1
FRH Frequency reference (absolute value) Value read
Units of 0.1 Hz
W451
or 16#5FE8/2
RFR Output frequency applied to the motor (absolute
value)
Value read
Units of 0.1 Hz or
0.015 Hz
W452
or 16#5FE8/3
SPD Motor speed estimated by the drive controller
(absolute value)
Value read
Units of 1 rpm
W453
or 16#FE8/4
LCR Motor current Value read
Units of 0.1 A
W454
or 16#5FE8/5
ULN Line voltage Value read
Units of 0.1 V
W455
or 16#5FE8/6
THR Motor thermal state
(100% = Nominal thermal state, 118% = OLF
threshold)
Value read
Units of 1%
W456
or 16#5FE8/7
THD Drive controller thermal state (100% = Nominal
thermal state, 118% = OHF threshold)
Value read
Units of 1%
W457
or 16#5FE8/8
LFT Last fault 0 = NOF: No fault saved
1 = INF: Internal fault
2 = EEF: EEPROM memory fault
3 = CFF: Configuration parameters incorrect (on initialization)
4 = CFI: Configuration parameters invalid (if writing a configuration)
5 = SLF: Standard communication link fault (link break)
6 = ILF: Fast communication link fault (link break)
7 = CNF: Fast communication network fault
8 = EPF: External fault
9 = OCF: Overcurrent fault (prolonged ICL)
10 = CRF: Precharge relay fault
11 = SPF: Loss of speed feedback fault
12 = ANF: Ramp not followed fault
13 = LFF: Loss of follower fault (4–20 mA)
14 = TSF: Thermal sensor fault
15 = OTF: Motor overheating fault (thermal sensor)
16 = OHF: Drive controller overheating fault (on heatsink)
17 = OLF: Motor overload fault (thermal simulation or thermal sensor)
18 = OBF: DC bus overvoltage fault
19 = OSF: Input supply overvoltage fault
20 = OPF: Motor phase loss fault
21 = PHF: Input supply phase loss fault (> 1 s)
22 = USF: Input supply undervoltage fault (> 200 ms)
23 = SCF: Motor short circuit fault (motor phase or ground fault)
24 = SOF: Overspeed fault (with speed feedback:
1.11 x HSP; without feedback: 1.2 x TFR)
W458
or 16#5FE8/9
ETA Drive controller DRIVECOM status word Bit 0 = 0: Power not ready
Bit 0 = 1: Power ready for startup
Bit 1 = 0: Drive controller not ready
Bit 1 = 1: Drive controller ready (RDY)
Bit 2 = 0: DRIVECOM stop
Bit 2 = 1: DRIVECOM run
Bit 3 = 0: No fault
Bit 3 = 1: Fault present (FAI)
Bit 4 = 0: Power present
Bit 4 = 1: Power not present
Bit 5 = 0: E-stop (rapid deceleration) in progress
Bit 5 = 1: No E-stop
Bit 6 = 0: Status ≠ Switching Disabled
Bit 6 = 1: Status = Switching Disabled (freewheel stop)
Bit 7 = 0: Alarm absent
Bit 7 = 1: Alarm present
Bit 8: Reserved
Bit 9 = 0: Forced local active (FLO)
Bit 9 = 1: Forced local inactive
Bit 10 = 0: Speed reference not reached (transient state)
Bit 10 = 1: Speed reference reached (steady state)
Bit 11 = 0: LFRD reference (in rpm) normal (W603 or 16#6042)
Bit 11 = 1: LFRD reference (in rpm) exceeded (> HSP or < LSP)
Bits 12 and 13: Reserved
Bit 14 = 0: No stop from keypad display STOP key
Bit 14 = 1: Stop from keypad display STOP key
Bit 15 = 0: Forward direction of rotation (output frequency)
Bit 15 = 1: Reverse direction of rotation (output frequency)