KSB AMTROBOX EEx ia, Общее руководство пользователя

Страница: 12 / 20

AMTROBOX EEx ia
AMTRONIC EEx ia
12
Available configurations

For ACTAIR double acting actuators
Configuration Case 1a Case 1b Case 2 Case 6a
Safety by
lack of current
In open position In closed position
In open or closed
position(*)
Stand in position
Pneumatic valve 4/2 monostable 4/2 monostable 4/2 bistable
4/3 centre closed
to pressure
Solenoid valve
One 3/2 NC
solenoid valve
One 3/2 NC
solenoid valve
Two 3/2 NC
solenoid valves
Two 3/2 NC
solenoid valves
Operating pressure 3.5 to 7 bar 3.5 to 7 bar 3.5 to 7 bar 3.5 to 7 bar
(*) In bistable version, the actuator stays in the position defined by the last signal received (memory).
Case
1a
O C
(C)
Case 1b
C O
Case 2
O C
(C)
(O)
Case 6a
O C
(C)
(O)
(O)

For DYNACTAIR spring return actuators
Configuration Case 4a Case 4b Case 7a Case 7c
Safety by
lack of current
In open position
In closed
position
Stand
in position
Stand
in position
Pneumatic valve 4/2 monostable 4/2 monostable
4/3 centre closed
to pressure
4/3 centre closed
to pressure
Solenoid valve
One 3/2 NC
solenoid valve
One 3/2 NC
solenoid valve
Two 3/2 NC
solenoid valve
Two 3/2 NC
solenoid valve
Operating pressure 3.5 to 7 bar 3.5 to 7 bar 3.5 to 7 bar 3.5 to 7 bar
Case 4a
O
C
(C)
Case 4b
O
C
(O)
Case 7a
O C
(C)
(O)
Case 7c
O F
(F)
(O)