YASKAWA Z1000 - Page 136

Setting 1: %
The setpoint and PI monitors are displayed as a percentage with a resolution of 0.01%.
Setting 2: r/min
The setpoint and PI monitors are displayed in r/min with a resolution of 1 r/min.
Setting 3: User Defined
Parameters b5-38 and b5-39 determine the units and resolution used to display the values the setpoint in b5-19, and PI monitors
U5-01 and U5-04.
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b5-34: PI Output Lower Limit
Sets the minimum possible PI controller output as a percentage of the maximum output frequency (E1-04). The lower limit is
disabled when set to 0.00%
No. Name Setting Range Default
b5-34 PI Output Lower Limit -100.0 to 100.0% 0.0%
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b5-35: PI Input Limit
Sets the maximum allowed PI input as a percentage of the maximum output frequency (E1-04). Parameter b5-35 acts as a
bipolar limit.
No. Name Setting Range Default
b5-35 PI Input Limit 0 to 1000.0% 1000.0%
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b5-38, b5-39: PI Setpoint User Display, PI Setpoint Display Digits
When parameter b5-20 is set to 3, parameters b5-38 and b5-39 set a user-defined display for the PI setpoint (b5-19) and PI
feedback monitors (U5-01, U5-04).
Parameter b5-38 determines the display value when the maximum frequency is output and parameter b5-39 determines the
number of digits. The setting value is equal to the number of decimal places.
No. Name Setting Range Default
b5-38 PI Setpoint User Display 1 to 60000
Determined by
b5-20
b5-39 PI Setpoint Display Digits 0 to 3
Determined by
b5-20
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b5-40: Frequency Reference Monitor Content During PI
Sets the content of the frequency reference monitor display (U1-01) when PI control is active.
No. Name Setting Range Default
b5-40 Frequency Reference Monitor Content During PI 0, 1 0
Setting 0: Frequency Reference after PI
Monitor U1-01 displays the frequency reference increased or reduced for the PI output.
Setting 1: Frequency Reference before PI
Monitor U1-01 displays the frequency reference value.
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b5-46: PI Setpoint Monitor Unit Selection
Sets the HOA keypad display units in U5-01 and U5-04 when b5-20 is set to 3.
No. Name Setting Range Default
b5-46 PI Setpoint Monitor Unit Selection 0 to 14 0
5.2 b: Application
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YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual