M&C TechGroup CSS-VC2 Operator's manual - Manual (Page 29)

14.1a ME Gas sampling and gas conditioning technology 29
15.3.3 THE STATUS MODULE
On the status module, by the group alarm message of the TCU a changeover relay and a solid-state
relay are connected. These can be used for alarm indication. In addition, external sample gas pumps
can be switched off via two further solid-state relays e.g. in the event of an alarm and switched on
under good conditions. For external control of the pumps, see Section 12.4.2.
Figure 13 Electrical connections status module