Yaskawa G5 Eliminator - Manual (Page 14)

Date: 07/01/04, Rev: 04-07 Page 14 of 27 TM.G5SW.015
Multiplication: (Input 50 X Input 51) / 10000 = Output 52
Division: (Input 5a X 10000) / Input 5b = Output 5c
Absolute Value: |Input 40| = Output 40
Change Sign: Input 41 X –1 = Output 41
2.2.2 Compare
Compare functions compare the value connected to input 70 to the value connected to input 71.
A true operation will output the value connected to input 73. A false operation will output the
value connected to input 72. The output number used determines the compare operation. This
operation may be used more than one time in a configuration. This function is a single function
with three possible outputs.
2.2.4 PID
The PID function is a PID controller. Input connector 23 to this function must be connected to
the error to correct for. This function can only be used one time in a configuration. It may not
be used with the standard drive PID since many of the same parameters are used for tuning.
B5-01 must be set to disabled.
Function Controls Range Default Setup
B5-02 PID Gain = P Gain 0.00 to 25.00 1.00
B5-03 PID I Time = I Bld Rate 0.00 to 360.00 sec 1.00
B5-04 PID I Limit = I Limit 0.0 to 100.0 % 100.0
B5-05 PID D Time = D Rate 0.00 to 100.0 sec 0.00
PID
B5-06 PID Limit = Output Limit 0.0 to 100.0 % 100.0
B5-01 PID Mode = Disabled
2.2.5 Scale
The scale operation functions to scale the value input. This function uses standard
multiplication and division. It can be used for those operations and can be used more than once
in a configuration. The following equation is used;
Figure 2.2.2
Compare
70 <= 71
74
70
71
72
73
False
True
Compare
70 = 71
75
70
71
72
73
False
True
Compare
70 >= 71
76
70
71
72
73
False
True
Figure 2.2.4
PID
24 23
Figure 2.2.5
Scale 61 60