590 Series DC Digital Drive Programming
D-27
AUTOTUNE
Parameter Tag Range
METHOD 609 See below
Controls the method of operation of the Autotune process.
• The default method 4QMULTI uses both thyristor bridges to generate balanced forward and reverse armature current
pulses.
• The 2QMULTI method only uses the forward thyristor bridge.
Note that only the 2Q MULTI method is valid on a 2Q drive (591) and use of the 4Q MULTI setting will result in an autotune failure, with
THYRISTOR OFF as the ERROR TYPE.
0 : 4Q MULTI
1 : 2Q MULTI
ERROR TYPE 1276 See below
Indicates the cause of an autotune error condition.
0 : NO ERROR
1 : OVER SPEED
2 : FIELD ERROR
3 : PULSE WIDTH
4 : OVER CURRENT
5 : TIMEOUT
6 : AUTOTUNE ABORTED
7 : FIRING ANGLE
8 : PEAK/AVER. RATIO
9 : UNBALANCED BRID.
10 : NULL AVERAGE CUR
11 : THYRISTOR OFF (missing pulse)
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