Fuji Electric FRENIC MEGA G2 Series - Page 852

11.22 Built-in Option Card Types and Ports in Which They Can be Installed
11-124
Terminal function
Table 11.22-44
Terminal
symbol
Terminal name
Specification
[PI]
External power supply input
terminal *1
Terminal for inputting external PG power supply
+12 VDC ±10% input, or
+15 VDC ±10% input
(Ensure that the connected power supply is equal to or greater
than the PG power supply current consumption +150 mA.)
[PO]
Power supply output terminal
*2
Terminal for outputting external PG power supply
+12 VDC ±10%/120 mA output, or
+15 VDC ±10%/120 mA output
[CM]
Common output
PG power supply common terminal
(Same electric potential as inverter unit terminal [CM])
[XA]
Command A-phase pulse
input terminal
Terminal for inputting command pulse A-phase signal
[XB]
Command B-phase pulse
input terminal
Terminal for inputting command pulse B-phase signal
[XZ]
-
(Not used)
[YA]
Feedback A-phase pulse
input terminal
Terminal for inputting feedback pulse A-phase signal
[YB]
Feedback B-phase pulse
input terminal
Terminal for inputting feedback pulse B-phase signal
[YZ]
Feedback Z-phase pulse
input terminal
Terminal for inputting feedback pulse Z-phase signal
*1 If the PG power supply power consumption exceeds 120 mA, use an external power supply.
*2 Change the internal switch based on the voltage specification for the PG power supply used.
Internal circuit configuration
The internal circuit configuration is shown in Fig. 11.22-11. This diagram shows an example of power being supplied
from the internal power supply (12 v) to the PG.
󳜄󳛘󳛷󳛚󳜆󳜘
DC+12VDC+15V
INTEXT
+
󳙧 󳙨 PO
󳙧 󳙨 PI
󳙧 󳙨 CM
12V
15V
J1
SW1
-
󳙧 󳙨 XA 󳙧 󳙨 XB 󳙧 󳙨 XZ
,,
󳙧 󳙨 YA 󳙧 󳙨 YB 󳙧 󳙨 YZ
,,
Fig. 11.22-11 Internal circuit configuration
Photocoupler