SECTION 2
SPECIFICATIONS
16
2.3.4 OUTPUT CONTROL
Digital outputs are ± 15 VDC, positive logic.
The UPC sends the following control signals to the power source on J3:
NAME FUNCTION
3
Φ
- CMD
3
Φ
output form command
1
Φ
- CMD
1
Φ
output form command
NOTE:
If both 3
Φ
and 1
Φ
are false, the form is 2
Φ
CONNECTOR - CMD
Verify UPC is connected to power source. Also drives audible
beeper in the power source
EXT SENSE - CMD
External metering command
XFMR CPLD - CMD
Transformer coupled output command
OUTPUT ON -CMD
Close output relay command
2.3.5 OUTPUT CONFIRMATIONS
Digital inputs are ± 15 VDC, positive logic.
The power source sends the following control signals to the UPC on J3:
NAME FUNCTION
CONNECTOR - CONF
Verify UPC is connected to power source
(loops back to the CONNECTOR – CMD connection)
SHUTDOWN - CONF
Power source shutdown confirmation
3
Φ
ON - CONF
3
Φ
output relay is closed
1
Φ
ON - CONF
1
Φ
output relay is closed
XFMR CPLD - CONF
Transformer coupled output confirmation
Summary of Contents for UPC-12
Page 2: ......
Page 12: ...SECTION 1 GENERAL viii THIS PAGE INTENTIONALLY BLANK ...
Page 17: ...SECTION 1 GENERAL 5 PACIFIC Figure 1 3a SCU UPC 32 Figure 1 3b UPC 32 Figure 1 3c UPC 12 ...
Page 46: ...SECTION 4 OPERATION 34 PA CIFIC FIGURE 4 1 POWER SOURCE FRONT PANEL ...
Page 77: ...SECTION 4 OPERATION 65 90 0 100 0 85 95 100 90 FIGURE 4 6 2 1 EDITED WAVEFORM ...
Page 139: ...NOTES 127 NOTES ...
