ABB Endura AZ20 series

Combustion Oxygen Monitor
Endura AZ20 Series Probe Appendix B – Probe Electrical Connections
50 IM/AZ20M–EN Rev. B
B.4 AutoCal Pressure Switch Connections B.5 AutoCal Solenoid Valve Terminal Connections
Notes.
 Refer to Table B.3, page 49 for pressure switch
terminal connections.
 Pressure switches are voltage-free.
Fig. B.3 AutoCal Pressure Switch Connections
Pressure
Switch 1
Pressure
Switch 2
White /
Orange
(PS1)
White / Black
(PS COM)
to 6-way
Te rmin a l B l o c k
White /
Yellow
(PS2)
White /
Black (PS
COM)
to PS1 Tag)
Pressure Switch 1 / 2
Notes.
 Refer to Table B.3, page 49 for solenoid valve terminal
connections.
 Solenoid valves have a maximum output of 100 mA @
24 V DC (protection and inline fuses are required if
using external automatic calibration panels).
Fig. B.4 AutoCal Solenoid Valve Connections
White / Green
SV1)
White / Red
(PS COM) to 6-way
Ter m in a l B l ock
Solenoid Valve 1 / 2
White / Red
(SV COM)
to SV1 Tag
White / Blue
(SV2)
Ter mi n als
Cell