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MA7200 PLUS Operating Manual
TECO – Westinghouse Motor Company Sn-44 - Sn-60 Parameter Details
Sn-44
Auto_Run Mode Selection
(0 – 6)
Sn-44=0: Auto_Run invalid
1: Single Cycle Running (1)
2: Periodic running (1)
3: Continue running (1)
4: Single cycle running (2)
5: Periodic running (2)
6: Continue running (2)
(1) Sn-44 = 1,2 and 3: If the inverter stops and re-starts again, it will continue running from the unfinished
step, according to the setting of Sn-44.
(2) Sn-44 = 4,5 and 6: If the inverter stops and re-starts again, it will begin a new cycle and continue
running according to the setting of Sn-44.
Sn-45 to Sn-60
Auto_Run Mode settings Selection
(Turn set 1 – 16)
A PLC operation mode is ready to use with the following setting of the multi-step frequency command 1 – 16
(An-01 to An-16), Auto_Run mode time setting (Bn-21 to Bn-36) with the auto_run mode selection of (Sn-44).
The FWD/REV direction can be set by parameters Sn45 to Sn-60.
In auto operation mode, setting the direction by operator, multi-function input terminal or RS-485 are all invalid.
In auto operation mode, presetting the frequency by the multifunction input terminals
-
,
and the
frequency UP/DOWN function is invalid. However, if the input JOG command is set as FJOG, RJOG, they will
have priority (refer to Sn-25 - 28) .
(A) Single Cycle Running (Sn-44= 1or 4)
The inverter will run for a single full cycle based upon the specified parameter settings and will then stop.
Example:
Fig. 9.2.3.21a shows single cycle auto-run using the following parameter values.
Sn-44
=
1
Sn-45 - 47=1(FWD)
Sn-48=2(REV)
Sn-49 - 60
=
0
An-01
=
15Hz An-02
=
30Hz An-03
=
50Hz An-04
=
20Hz
Bn-21
=
20s Bn-22
=
25s Bn-23
=
30s Bn-24
=
40s
An-05 - 16
=
0Hz
Bn-25 - 36
=
0s
Fig. 9.2.3.21a Single Cycle Auto-Run
(B) Periodic Running (Sn-44
=
2 or 5)
The inverter will repeat the same cycle periodically.
Example:
Fig. 9.2.3.21b shows the same cycle periodic running based on the specified parameter settings.
Sn-44
=
2
An-01 - 16, Bn-21 - 36, Sn-45 - 60: Same settings as the example (A)
Cont.