ORACLE SERIES 2E, 2EC, 4E, 4EC, 4H
Operations Manual
Eberle Design Inc.
Page 23
withstand the discharge of a 10 uF capacitor charged to 2,000V across the loop inputs or
between a loop input and Earth Ground for each channel. The transformer isolation allows
operation with a loop which is grounded at a single point.
6.4.6 ORACLE 2E, 2EC RESPONSE TIMING
Response times based on two channel solid state operation with both channels set to the
same sensitivity.
Sensitivity
Response Time (ms)
Sensitivity
Response Time (ms)
Noise Filter
Noise Filter
Off
Normal
Max
Off
Normal
Max
1
4-7
16-28
54-89
11
8-14
16-28
54-89
2
4-7
16-28
54-89
12
8-14
16-28
54-89
3
4-7
16-28
54-89
13
8-14
16-28
54-89
4
4-7
16-28
54-89
14
12-21
16-28
54-89
5
4-7
16-28
54-89
15
12-21
16-28
54-89
6
4-7
16-28
54-89
16
16-28
16-28
54-89
7
4-7
16-28
54-89
17
24-41
25-41
54-89
8
4-7
16-28
54-89
18
32-55
33-55
54-89
9
4-7
16-28
54-89
19
43-76
46-75
54-89
10
4-7
16-28
54-89
20
59-104
62-103
62-103
6.4.7 ORACLE 4E, 4EC, 4H RESPONSE TIMING
Response times based on four channel solid state operation with all channels set to the
same sensitivity.
Sens
Response Time (ms)
Sens
Response Time (ms)
Noise Filter
Noise Filter
Off
Normal
Max
Off
Normal
Max
1
8-13
16-26
58-91
11
8-13
16-26
58-91
2
8-13
16-26
58-91
12
16-26
16-26
58-91
3
8-13
16-26
58-91
13
16-26
16-26
58-91
4
8-13
16-26
58-91
14
25-39
25-39
58-91
5
8-13
16-26
58-91
15
25-39
25-39
58-91
6
8-13
16-26
58-91
16
33-52
33-52
58-91
7
8-13
16-26
58-91
17
49-78
50-78
58-91
8
8-13
16-26
58-91
18
66-104
66-104
64-103
9
8-13
16-26
58-91
19
91-143
91-142
87-142
10
8-13
16-26
58-91
20
124-195
124-195
119-194
6.5 CONNECTOR PIN ASSIGNMENTS
6.5.1 ORACLE 2E, 2EC PIN ASSIGNMENT
Pin Function
Pin Function
A
Logic Ground
1
Channel 1 Timer Control Input
B
Detector Unit DC Supply
2
Channel 2 Timer Control Input
C
External Reset
3
Detector Address Bit #3
D
Channel 1 Loop Input
4
Channel 1 Redundant Loop Input
E
Channel 1 Loop Input
5
Channel 1 Redundant Loop Input
F
Channel 1 Output (+)
6
Detector Address Bit #0
H
Channel 1 Output (-)
7
Channel 1 Status Output