Yokogawa GD40 Gas Density Detector - Manual (Page 142)

<7. HYDROGEN PURITY / PARAMETER SETTING>
7-19
IM 11T3E1-01E
Each contact output takes either of the following two status (in table); depending on the value
you set.
Value SEL GAS contact FUNC contact MAINT contact ALM contact
0 NO NO NO NO
1 NO NO NO NC
2 NO NO NC NO
3 NO NO NC NC
4 NO NC NO NO
5 NO NC NO NC
6 NO NC NC NO
7 NO NC NC NC
8 NC NO NO NO
9 NC NO NO NC
10 NC NO NC NO
11 NC NO NC NC
12 NC NC NO NO
13 NC NC NO NC
14 NC NC NC NO
15 NC NC NC NC
NO: means “normally open”
NC: means “normally closed”