
Compur Statox 4120
Slide switch S1:
  | S1  | 
  | ON  | 
  | 
  | OFF | 
  | 
  | 
  | 
  | 
  | 
  | |||
  | 1  | 
  | Relay active during alarm A2  | 
  | 
  | Relay inactive at alarm A2  | 
  | 
  | 2  | 
  | Relay active during alarm A1  | 
  | 
  | Relay inactive at alarm A1  | 
  | 
Toggle switch S3:
S3  | ON  | OFF  | 
1  | Detection mode  | -  | 
2  | Rest Alarm by resetbutton R  | auto - reset  | 
3  | Detection mode  | -  | 
4  | Detection mode  | -  | 
5  | Measured value accepted if logic  | -  | 
  | signal is 0V  | 
  | 
6  | Detection mode  | -  | 
7  | Detection mode  | Modem - and analog signal  | 
  | 
  | adjustment for service only!  | 
8  | Detection mode  | Delete EPROM for service only!  | 
Ex works settings
3.4 Switch positions of the sensor head pcb
DIP switch S2 (see pic. 9) programs the following parameters:
S2  | ON  | OFF | 
1  | -  | Detection mode  | 
2  | Measured value in ppm  | Measured value in TLV  | 
3  | No self test after “power on“  | Self test after “power on“  | 
4  | Cal. Factor =1  | Factor information from control  | 
  | 
  | module  | 
5  | No self test  | Self test in a 24 h interval  | 
6  | -  | -  | 
7  | Detection mode  | -  | 
8  | Detection mode  | Modem “On” for service  | 
Ex works setting
15