Yaskawa CIMR-UU4A0034A [215/644] Speed limitation and speed limit bias
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Yaskawa CIMR-UU4A0034A [215/644] Speed limitation and speed limit bias

Yaskawa CIMR-UU2A0130F [215/644] Speed limitation and speed limit bias
Input Value Signal Source Settings Remarks
Speed Limit
Signal selected as
frequency reference
source
d5-03 = 1
The speed limit
is taken from the input
selected as frequency reference source
in parameter b1-01 or b1-15.
<1>
The settings in C1-oo for accel/decel
times and
in C2-oo for S-curves are applied to the speed
limit value.
Parameter d5-04 d5-03 = 2 –
Torque
Compensation
Analog inputs A1/A2/
A3
H3-02, H3-10, or H3-06 = 14
<1>
Match the input terminal signal level settings to
the signal being used. Refer to H3: Multi-
Function Analog Inputs
on page 267
for details
on adjusting analog input signals.
Analog Option
• F2-01 = 0
•
H3-02, H3-10, or H3-06 = 14
<1>
The H3-oo settings become effective for the
option board input terminals. Match the input
terminal signal level settings to the signal being
used.
MEMOBUS Register
0005H
• b1-01 = 2
• Set Register 000FH, bit 3 = 1 to
enable the torque compensation
setting by register 0005H
–
Communications Option
b1-01 = 3
Refer to the option card manual for
details about setting the torque
compensation value.
–
<1> Sets analog input terminals A1, A2, and A3 to supply the speed limit, torque reference, or torque compensation. Setting two analog inputs for the
same function will trigger an oPE07 error (Multi-Function Analog Input Selection Error).
Input Value Polarity
The direction of the input values described above depends on the polarity of the Run command and the input value.
Table 5.20
Torque Control Signal Polarity
Run Command Direction Input Value Polarity Input Value Direction
Forward
+ (positive) Forward direction
- (negative) Reverse direction
Reverse
+ (positive) Reverse direction
- (negative) Forward direction
Example:
• With a Forward Run command and a positive torque reference signal the internal torque reference will be positive, i.e., in
the forward direction. However, if a Reverse Run command is input, the torque command will be for reverse rotation.
• With
a Forward Run command and a negative torque reference signal the internal torque reference will be negative, i.e., in
the reverse direction. However, if a Reverse Run command is input, the torque command will be for forward rotation.
When using analog inputs, negative input values can be generated by:
• applying negative voltage input signals.
• using positive analog input signals while setting the analog input bias to negative values so the input value can be negative.
•
applying positive voltage input signals and using a digital input that is programmed for H1- oo = 78.
When using MEMOBUS/Modbus communication or a communication option card, only positive input values can be set.
Independent of its input source, the polarity of the torque reference signal can be inverted using a digital input that is
programmed for H1-oo = 78. Use this function to input negative torque reference values when using MEMOBUS/Modbus
or a communication option card.
n
Speed Limitation and Speed Limit Bias
The speed limit setting is read from the input selected in parameter d5-03. A bias can be added to this speed limit using
parameter d5-05 while parameter d5-08 determines how the speed limit bias is applied. Table 5.21 explains the relation between
these settings.
5.4 d: Reference Settings
YASKAWA ELECTRIC SIEP C710636 04C U1000 Industrial MATRIX Drive Technical Manual
215
5
Parameter Details

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