YASKAWA F7 User Manual

Start-Up 4 - 16
 5. Check the signal for proper polarity. Observe if the speed command can achieve the minimum and maximum speeds
desired. If not, perform the following:
For 0-10Vdc input (Terminal A1)
1. With no input, adjust Bias (H3-03 setting) until an output of “0.0Hz” is obtained.
2. With full-scale input, adjust Gain (H3-02 setting) until an output of “60.0Hz” (or other desired maximum
frequency) is obtained.
For 4-20mA input (Terminal A2)
1. With 4mA input, adjust Bias (H3-11 setting) until an output of “0.0Hz” is obtained.
2. With 20mA input, adjust Gain (H3-10 setting) until an output of “60.0Hz”
(or other desired maximum frequency) is obtained.
THIS COMPLETES THE DRIVE START-UP PROCEDURES.
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YASKAWA F7 Specifications

General

Series	F7
Type	DC Drive
Feedback	Tachometer, Encoder
Communication	RS-485, DeviceNet, Profibus, Modbus
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Storage Temperature	-20°C to +70°C (-4°F to 158°F)
Humidity	95% RH or less (non-condensing)
Enclosure Rating	IP20
Input Voltage	200-240V AC, 380-480V AC