Discovery QDR Series Technical Manual
8-4
C-Arm Interface
LED’s Signal Voltage Source Jumpers Refer to...
D1 On +28VDC Ext Signal Dist. JP7 DRUM Out
D3 On +24VDC Ext Signal Dist. JP8 MAIN Out
D6 On +5VDC Int. Voltage
Reg.
W1,
W2
NORMAL(1-2)
TEST (2-3)
In
- - +7VDC Int. Voltage
Reg.
W3 SYS-RESET In
- - +15VDC Ext Signal Dist. W4 TEST-
MODE
Out
- - -15VDC Ext Signal Dist. W5 Safety
switches
In
Drum JP15 Redundant for
D7 On LOCKED W5 may be Out if W5 is
In
Figure 5-6
D8 Flash-
ing
DRUM AT
TOP
X-Ray
D9 Off X-RAY
CPU
ERROR
D10 Off X-RAY
ENABLE
D11 On X-RAY
CPU OK
D12 Off X-RAY
FAULT
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