Siemens ULTRAMAT 23 - Page 50

Start-up
4-8
Operating instructions ULTRAMAT 23 gas analyzer
C79000-B5276-C216-03
Cooler
Sample gas
Zero gas for
AUTOCAL
ULTRAMAT
23
master
ULTRAMAT
23
slave
DC 24 V power
supply
SYNC
SYNC
SYNC
SYNC
Digital
input
Digital
input
Zero gas
Regulating valve
1)
Fig. 4-2 Example without internal pump and solenoid valve switching
1)
Protective extra-low voltage with safe electrical isolation (SELV)