|1||1||Control electronics in casing with power supply (230V AC or 115V AC)|
|2||1||Motor drive unit with clutch|
|3||1||3m connection cable motor drive unit|
|4||1||Sash position sensor SPS100|
|5||1||Passive infrared sensor|
|6||1||Infrared light barrier transmitter/receiver for registering objects during the closing process|
|7||1||Additional accessory: Panel UP/STOP/DOWN (please order separately. Cable not included)|
|8||1||Additional accessory: Foot switch for opening the sash (please order separately.)|
|9||1||Additional accessory: Interconnection to FC500 for SPS100 (sash position sensor) signal|
|10||1||Additional accessory: Interconnection to FC500 for parametrise the SC500 via FC500 functional display socket|
With the automatic sash controller
SC500, SCHNEIDER offers a product for
additional safety and energy savings in
the laboratory environment.
A passive infra red movement detector
(PIR) constantly monitors the work area
in front of the fume hood. If no operating
personnel are directly in front of the fume
hood, the fully automatic sash closing
process is started following an adjustable
closing delay time (10 seconds to 30
The containment of a fume hood is at its highest when the sash is closed. Significant energy savings can be achieved if the exhaust air volume is simultaneously reduced by use of the SCHNEIDER FC500 fume hood controller.An infra red light barrier mounted on the handle bar stops the sash automatically if an obstruction is detected during the closing process.
The motor-driven drive unit consists of the cable deflection pulleys and the drive roller as well as a maintenance-free servo motor and a safe magnetic clutch.
Whenever possible, the automatic sash controller moves the fume hood sash into the closed position.
In the case of air controlled fume hoods, a diversity factor of approximately 50-60% can be calculated when planning the ventilation technology, whereby the investment and operating costs of the entire plant can be considerably reduced. Thus energy savings of 50% can be achieved.
A foot switch for the UP function increases ease of use and can optionally be connected.
The sash can be opened or closed manually at any time.
Manual intervention in the automatic closing process is also safely possible at any time. As the sash is usually closed,the safety of the laboratory personnel is considerably improved.
The lowering delay time of the sash can be extended by pressing the optionally connectable time extension button during setup
Via the control panel the sash can be opened or closed
automatically using the buttons UP, DOWN, STOP.
Independent of the automatic sash closing the sash can be operated manually at any time.
If the sash is in a stationary position, it can be manually pushed up or down using the handle bar on the sash. The drive unit and the sash are decoupled when the sash is in a stationary position.
If the sash is manually pushed in the direction UP or in the direction DOWN, the internal electronics recognize the direction and open or close the sash via the motor.
Briefly press the UP button or the foot switch. The sash is opened and automatically stops in the position TOP or at the stopping point Centre (if 3 stopping points have been programmed). Briefly pressing the buttons UP, DOWN orSTOP immediately halts the movement of the sash. The upwards movement is monitored for obstructions with the emitter/receiver light barrier (see Recognition of obstructions).
Briefly press the DOWN button. The sash is closed and automatically stops in the position BOTTOM (limit switch BOTTOM). Briefly pressing the UP, DOWN or STOP button immediately halts the movement of the sash. The downwards movement is monitored for obstructions by the emitter/receiver light barrier (see Recognition of obstructions).
The lowering delay time is freely programmable from 10sec. to 30 min. If no activity on the fume hood is registered by the time the lowering delay time has expired, the sash automatically closes and stops in the BOTTOM position. As soon as a person is detected in the working area of the fume hood by the passive infra red sensor (PIR), the sash movement immediately stops (programmable). The downwards movement is monitored for obstacles by the emitter/receiver light barrier (see Recognition of obstructions).
If the sash is in the process of moving downwards, the area directly below the handle bar is monitored with an emitter/receiver light barrier. The sash is automatically halted if this signal is interrupted by reaching into the working area or by objects that reach out from the interior.If a recognized obstruction has led to the sash closing process being stopped, automatic closing is deactivated. Automatic closing is activated again by pressing the UP orDOWN button or by manually pushing the sash at least 3cm, that is, normal operation is again ensured. The deactivation of automatic closing after recognition of an obstruction takes place for safety reasons. It is also possible to program other reactivation criteria.
By pressing the TIME EXTENSION button the lowering delay time of the sash is extended by a programmable time period (1...30 minutes). By repeatedly pressing this button the time period is summed up internally (max. 4 additions).If, for example, the fume hood must be equipped with new devices or if the sash should not be closed for a prolonged period, it makes sense to use this function. A maximum extension of the lowering delay time of 4 x 30 minutes = 2hours may be achieved.
The automatic sash controller SC500 (full construction) includes the following components:
|Nominal voltage (see terminal diagram for correct Jumper position od JP1 and JP2)||230V AC/50/60Hz/+-15% 115V AC/50/60Hz/+-15%|
Fuse F1 (230V AC)
Fuse F1 (115V AC)
|500mA/250V delay fuse 1A/115V delay fuse|
|Fuse F2||3.15A/250V delay fuse|
|Max. power input||80 VA|
|Operating temperature||+5 OC to +40 OC|
|Humidity||max. 80 % relative, noncondensing|
|Protection type||IP 20|
|Colour||white, app. RAL 9002|
|Dimensions (LxWxH)||(290 x 208 x 100) mm|
|Weight||approx. 3.2 kg|
|Terminals||screw terminal 1.5 mm2|
|Weight||approx. 4.6 kg|
|Dimensions (WxHxD)||(200 x 200 x 180) mm|
|Torque motor||approx. 3 Nm|
|Torque magnetic clutch||approx. 7 Nm|
|Up / Down time for 50 cm sash opening||typ. 3,5 ... 9 s (depending on setting values)|
|Up / Down time for 90 cm sash opening||typ. 6 ... 15 s (depending on setting values)|