M&C TechGroup CSS Series Operator's manual - Manual (Page 19)

19
Gas sampling and gas conditioning technology 4-1.1-ME
10.2 SUB-D-PLUG X2
N O T E !
To guarantee the function of the CSS, the SUB-D-Plug must be mounted!
10.2.1 STATUS CONTACTS
Two potential free switches operating in ‘Safety-First’ function and guarantee an adequate signal for
CSS being in test mode, alarm mode or loosen voltage.
For one of the above mentioned situations the circuit is closed by the contacts MC (master contact, 5
and 15) ) and NC (normal closed, 7 and 14). In case that the CSS is ready for operation the contacts
MC and NO (normal open, 6 and 13) are switched.
Figure 8 Status contacts
N O T E !
Breaking capacity : maximum 24V 1A!
The kind of alarm is displayed on the operation and control board (see fig.2).