
APV_CU4 AS-i_UK-5_072018.indd
UK
Control Unit
CU4 AS-interface
Instruction manual: UK - rev. 5
APV
4
1. Abbreviations and Definitions
A
Exhaust Air
AWG
American Wire Gauge
CE
Communauté Européenne
CU
Control Unit
DI
Digital Input
DO
Digital Output
EMC
Electromagnetic Compatibility
EU
European Union
GND
Ground
IP
International Protection
LED
Luminous Diode
N
Pneumatic Air Connection NOT element
NEMA
National Electrical Manufacturers Association
P
Supply Air Connection
PWM
Pulse-Width Modulation
Y
Pneumatic Air Connection
2. Safety Instructions
2.1. Sentinels
Meaning:
Danger!
Direct danager which can lead to severe boldily
harm or to death!
Caution!
Dangerous situation which can lead to bodily
harm and/or material damage.
Attention!
Risk as a result of electric current.
Note!
Important technical information or recommendation.
These special safety instructions point directly to the
respective handling instructions. They are accentuated by the
corresponding symbol. Carefully read the instructions to which
the sentinels refer. Continue handling the control unit
only after having read these instructions.
DANGER
DANGER
!