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Information for Replacing 4268A, 4288A with E4981A
Comparison of Interfaces
Comparison of Interfaces
Handler interface
Figure B-1
Handler interface pin assignment
E4981A
/ B I N 1
1
19
/ P H I
/ B I N 2
2
20
/ P L O
/ B I N 3
3
21
/ S R E J
/ B I N 4
4
22
/ R E A D Y_FO R _TR IG
/ B I N 5
5
23
/ NO_CONTACT/LOW_C_REJECT
/ B I N 6
6
24
/ O V LD
/ B I N 7
7
25
/ K E Y _ LO C K
/ B I N 8
8
26
/ B I N 9
9
27
(reserved)
/ O U T _ O F _ B I N S
10
28
/ A U X _ B I N
11
29
/ A L A R M
12
30
/ I N D E X
E X T _ T R I G
13
31
/ E O M
14
32
/ E X T _ D C V2
C O M 2
15
33
16
34
+ 5 V
17
35
C O M 1
18
36
e4981aue0024
Table B-3
Handler interface factory setting
Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
/ B I N 1
/ B I N 2
/ B I N 3
/ B I N 4
/ B I N 5
/ B I N 6
/ B I N 7
/ B I N 8
/ B I N 9
/ O U T _ OF _ B I N S
/ A U X _ B I N
E X T _ T R I G
/ E X T _ D C V2
+ 5 V
Selection of judgment output signal
pull-up power supply
Selection of operation output signal
pull-up power supply
Voltage range of input signal drive
power supply
4268A
/ B I N 1
1
19
/ P H I
2
20
/ P L O
/ B I N 2
3
21
/ S R E J
/ B I N 3
/ B I N 4
4
22
(reserved)
5
23
/ N O _C O N TA C T
/ B I N 5
6
24
/ O V LD
/ B I N 6
/ B I N 7
7
25
/ K E Y _ LO C K
/ B I N 8
8
26
(reserved)
9
27
/ B I N 9
E X T _ D C V I
10
28
/ O U T _ O F _ B I N S
/ A U X _ B I N
11
29
/ A L A R M
12
30
/ I N D E X
E X T _ T R I G
13
31
/ E O M
14
32
C O M 2
/ E X T _ D C V2
15
33
16
34
17
35
C O M 1
+ 5 V
18
36
E4981A
N/A
External
power supply
(5 V to 24 V)
5-24 V
4288A
1
19
/ P H I
2
20
/ P L O
3
21
/ S R E J
4
22
/ R E A D Y_FO R _TR IG
5
23
/ LO W _C _R E JE C T
6
24
/ O V LD
7
25
/ K E Y _ LO C K
8
26
(reserved)
9
27
E X T _ D C V I
10
28
11
29
/ A L A R M
12
30
/ I N D E X
13
31
/ E O M
14
32
C O M 2
15
33
16
34
17
35
C O M 1
18
36
4268A
4288A
External
External
power supply
power supply
(5 V to 24 V)
(5 V to 24 V)
External
External
power supply
power supply
(5 V to 15 V)
(5 V to 24 V)
5-15 V
5-24 V
361
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