Varian 990 dCLD II, Operation Manual

Page: 37 / 162

Model 990 dCLD II Component Leak Detector
2-13
Figure 2-6 J4 Output Circuit Sketch
Table 2-9 J4 Outputs Summary Table
J4/
Pin
Output
Name
Momentary
or Level
Description
3 LSD A MAN Level Mantissa BCD Leak Rate, the ones place of the least significant digit.
4 LSD B MAN Level Mantissa BCD Leak Rate; the twos place of the least significant digit.
5 LSD C MAN Level Mantissa BCD Leak Rate; the fours place of the least significant digit.
6 LSD D MAN Level Mantissa BCD Leak Rate; the eights place of the least significant digit.
7 MSD A MAN Level Mantissa BCD Leak Rate; the ones place of the most significant digit.
8 MSD B MAN Level Mantissa BCD Leak Rate; the twos place of the most significant digit.
9 MSD C MAN Level Mantissa BCD Leak Rate; the fours place of the most significant digit.
10 MSD D MAN Level Mantissa BCD Leak Rate; the eights place of the most significant digit.
11 LSD A EXP Level Exponent BCD Leak Rate; the ones place of the least significant digit.
12 LSD B EXP Level Exponent BCD Leak Rate; the twos place of the least significant digit.
13 LSD C EXP Level Exponent BCD Leak Rate; the fours place of the least significant digit.
14 LSD D EXP Level Exponent BCD Leak Rate; the eights place of the least significant digit.
15 MSD A EXP Level Exponent BCD Leak Rate; the ones place of the most significant digit.
20 +V Input N/A Customer-su5 to +24 VDC for J4.
21 +V Input N/A Customer-su5 to +24 VDC for J4.
990 dCLD II
Customer