Data Sheet for Product

5
Siemens
CE1N3544en
Smart Infrastructure
2021-10-25
Device components and HMI (Human-Machine Interface)
Device components
1
Shaft attachment screw
2
Set screw for rotation angle limitation
3
Gear train disengagement slider
4
6-core connecting cable
(power and communications)
5
Connection nozzle for measuring differential
pressure in the VAV box
("+": side with higher pressure)
6
Connection nozzle for measuring differential
pressure in the VAV box
7
Configuration and maintenance interface
(under cover)
8
LED
9
Rotation angle indicator
LED colors and patterns
Color
Pattern
Description
Off
-
Device not powered
Green
Steady
Device is running
Red
Flashing
Connection tubes for sensor interchanged
Steady
Differential pressure sensor fault
Parametrization (with AST20 or AST22)
For the OEM factory programming or commissioning/maintenance directly on the VAV com-
pact controller a suitable tool (see Equipment combinations [▶ 2]) can be connected directly
to the PPS2 interface.
Connection to the PPS2 interface
1
AST20
(or PC with ACS931 / ACS941 via AST22)
2
G..B181.1E/3, or ASV181.1E/3
3
Cable strain relief
4
Connecting cable (7-pin)