Parameter
No.
Function name Monitor or Data Range
Default
data
Setting
during
RUN
Unit
Z52
Third Last Alarm Info. Output Volt-
age
0 to 1000 V
0 - V
Z53
Third Last Alarm Info. Torque
Monitor
-999 to 999
0 - %
Z54
Third Last Alarm Info. Frequency
Command
0.00 to 655.35
0 - Hz
Z55
Third Last Alarm Info. Running
Status
Bit15: BUSY (During function
code data writing)
Bit14: -
Bit13: -
Bit12: RL (Communications ef-
fective)
Bit11: ALM (Alarm relay)
Bit10: DEC (During decelera-
tion)
Bit9: ACC (During accelera-
tion)
Bit8: IL (During current limit-
ing)
Bit7: VL (During voltage limit-
ing)
Bit6: TL (Torque limiting)
Bit5: NUV (Main circuit DC
voltage established)
Bit4: BRK (During braking)
Bit3: INT (Inverter shut down)
Bit2: EXT (During DC braking
or during pre-exciting)
Bit1: REV (During reverse op-
eration)
Bit0: FWD (During forward op-
eration)
0
- -
Z56
Third Last Alarm Info. Cumulative
Ope. Time
0 to 655350 hour
0 - h
Z57
Third Last Alarm Info. Number of
Startups
0 to 65,535
0 - -
4 Parameter List
4-46
M1 Series Standard Type User's Manual (I669)