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1
RADIATION FAULT DETECTION AND INDICATOR CIRCUIT
A
16
ADJUSTABLE THRESHOLD LEVEL
12
EACH STEP ADDS ABOUT 23 mV TO
THE MINIMUM THRESHOLD
W1
MINIMUM THRESHOLD 90 mV (W1 IN)
MAXIMUM THRESHOLD 180 mV (NO JUMPER)
AGND
RP1B
15
2
ASH_PRIMARY_IN
100K
B
RP1F
6
11
ASH_PRIMARY_IN_RTN
100K
RP1G
100K
AGND
+15VDC
RP3B
RP3C
2
15
14
3
100K
100K
W7
W8
FAULT DELAY SETTINGS
+15VDC
C
EACH STEP ADDS ABOUT 1 SECOND
R241
10K
U40E
+15VDC
11
12
U50B
5
U50A
MC14049
4
1
U40F
6
2
14
15
CD4011B
CD4011B
U50C
MC14049
8
10
AGND
9
+15VDC
CD4011B
D8
BAV21W-7-F
ASH_SHUTTER_CMD
(c01do07)
BYPASS CAPACITORS
+15VDC
U6
U8
U11
D
C257
C258
C259
0.1uF
0.1uF
0.1uF
50V
50V
50V
AGND
1
2
RP2A
RP2B
RP2C
RP2D
1
2
15
14
3
4
13
150
150
150
150
RP2E
RP2F
RP2G
RP2H
5
6
11
10
7
8
9
150
150
150
150
W2
W3
W4
C286
RP1C
3
14
0.1uF 50V
100K
+15VDC
RP1D
4
13
100K
U44A
2
U44B
RP1E
1
12
5
6
R234
3
7
100K
5
LM1458
2.37K
LM1458
-15VDC
RP1H
RP3A
100K
100K
AGND
RP3D
RP3E
RP3F
4
13
12
5
6
11
100K
100K
100K
W9
W10
C255
C256
22uF
AGND
0.01uF
AGND
+15VDC
U48A
U48B
16
6
VDD
Q1
Q2
4
12
TRIG1+
TRIG2+
5
7
11
TRIG1-
Q1
TRIG2-
Q2
3
3
13
RESET1
RESET2
CD4098B
CD4098B
R246
10K
AGND
AGND
U12
U18
U20
U21
U12
C260
C261
C262
C263
C264
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
50V
50V
50V
50V
50V
-15VDC
2
3
4
+15VDC
+15VDC
R225
10K
RP1A
1%
100K
+15VDC
U40A
3
2
MC14049
AGND
U40B
5
4
MC14049
R230
511K
1%
U40C
+15VDC
7
6
U43
5
8
BAL
V+
MC14049
3
7
U40D
2
1
6
9
10
BAL/STB
4
V-
MC14049
LM311DR
-15VDC
AGND
+15VDC
U45A
FAULT_DETECTED
3
2
MC14049
AGND
+15VDC
U45B
5
4
U45E
R240
10K
MC14049
+15VDC
MC14049
U47A
1
U47B
3
5
2
4
6
CD4011B
10
U45C
CD4011B
7
AGND
U47C
9
8
MC14049
10
9
U45D
CD4011B
9
MC14049
U45F
14
15
MC14049
AGND
3
4
5
+24V_OUT2
+15VDC
R226
2.1K
1%
U41
1
C
4
R228
5
6 7 8
2
3
E
1K
FOD817DSD
1%
Q1
4
Si7322DN
R229
ZD10
2.1K
12V
1
2 3
1%
+24V_OUT2
+15VDC
R231
2.1K
1%
U42
1
C
4
R233
2
3
5
6 7 8
E
1K
FOD817DSD
Q2
1%
4
Si7322DN
R235
ZD11
2.1K
12V
1%
1
2 3
+24V_OUT2
+15VDC
R236
2.1K
1%
U46
1
C
4
R238
5
6 7 8
2
3
E
1K
Q3
FOD817DSD
1%
4
Si7322DN
R239
ZD12
2.1K
12V
1
2 3
1%
+24V_OUT2
+15VDC
R242
2.1K
1%
6
U49
1
C
4
R244
5
6 7 8
2
3
E
1K
FOD817DSD
1%
Q4
4
Si7322DN
10
R245
ZD13
2.1K
12V
1
2 3
1%
U47D
U50D
12
12
11
11
13
13
CD4011B
CD4011B
AGND
AGND
5
6
D72
A
RED
1N4148W
DS62
TVS1
APT1608SURCK
SMAJ30CA-13-F
R227
30V
2.21K
1%
F10
RED_LAMP_1
4.0A
VZ1
RED LAMP 1
VC080526C580
RED_LAMP_1_RTN
CONNECT RTN TO 24V ELECTRICAL RTN (TERMINAL STRIP)
D71
RED
1N4148W
DS63
TVS2
APT1608SURCK
SMAJ30CA-13-F
R232
30V
2.21K
1%
F11
RED_LAMP_2
B
4.0A
VZ2
RED LAMP 2
VC080526C580
RED_LAMP_2_RTN
CONNECT RTN TO 24V ELECTRICAL RTN (TERMINAL STRIP)
D70
1N4148W
DS64
GREEN
TVS3
APTD1608CGCK
SMAJ30CA-13-F
R237
30V
2.21K
1%
F12
X-RAY_POWER_ENABLE
4.0A
VZ3
X-RAY POWER ENABLE
VC080526C580
X-RAY_POWER_ENABLE_RTN
CONNECT RTN TO 24V ELECTRICAL RTN (TERMINAL STRIP)
C
D69
YELLOW
1N4148W
DS65
TVS4
APT1608SYCK
SMAJ30CA-13-F
R243
30V
2.21K
1%
F13
(ASH FAULT)
FAULT_INDICATOR_DRIVE
4.0A
VZ4
FAULT INDICATOR DRIVE
VC080526C580
FAULT_INDICATOR_DRIVE_RTN
CONNECT RTN TO 24V ELECTRICAL RTN (TERMINAL STRIP)
D
SIZE
DRAWING NUMBER
REV
D
65 8150 0126 AS 09
01
SCALE
DESIGNER
SHEET
N/A
ANDRZEJ NAWROCKI
09
14
OF
ALTIUM DRAWING
DO NOT REVISE MANUALLY
6
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