YASKAWA F7 User Manual

Electrical Installation 2 - 42
 PG-D2/PG-X2/PG-W2
The maximum response frequency is 300kHz.
Use the following equation to computer the output frequency of the PG (f
PG
).
A separate power supply is required if the PG power supply capacity is greater than 200mA. (If momentary power loss must be
handled, use a backup capacitor or other method). See Fig 2.25.
Fig 2.25 PG-X2 Connection Example For External +12V PG Power Supply
Motor speed at maximum frequency output (RPM)
60
× PG rating (PPR)f
PG
(Hz) =
2
3
4
5
6
7
TA1
TA3
+12Vdc
0Vdc
+
+
_
_
0Vdc
+12Vdc
PG power supply
PG
Capacitor for
momentary power loss
PG-X2
8
9
10
1IP12
IG
IP5
A(+)
A(-)
B(+)
B(-)
Z(+)
Z(-)
IG
AC
+
_
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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