43.155/1
RXE 110: Monitoring unit for fume cupboards
Used in conjunction with RLE 152 air-volume controllers for monitoring the air volume or the air speed
as a function of the sash opening in fume cupboards; with optical and acoustic alarm (as per
EN 14175).
Housing of thermoplastic; suitable for fitting onto walls; frontal membrane keypad with 5 function keys
for max, min, mute, low speed and present. Two power cables: 2,9 m in length; 2 × 0,5 mm2 and either
11 × 0,14 mm2 (F001) or 9 × 0,14 mm2 (F002).
Type
RXE 110 F001
RXE 110 F002
F001:
Inputs (Ri = 100 kΩ)
Actual-value signal
Setpoint signal, night
Air-volume limitation
Setpoint signal
Outputs
Contacts: present 1)
Contacts: alarm 1)
Setpoint signal 2)
Ext. contacts 100%
Power supply 24 V~
Power consumption
Back-up in the event of
mains power failure
Ambient temp.
Ambient humidity
Degree of protection
Description
Power
Weight
kg
For sash sensor SGU 100
For flow sensor SVU 100
24 V~
24 V~
0,45
0,45
0...10 V
0...10 V
0...10 V = 0...100%
0...10 V
34 V = (1...10 mA)
34 V = (1...10 mA)
0...10 V, load > 5 kΩ
10 V
+15, –20%, 50...60 Hz
approx. 7 VA
>15 min. (super cap)
0...40 °C
< 90 %rh
IP 44 (EN 60529)
1)
Protected against reversed polarity
2)
Protected against short circuits and excess voltage up to 24 V~
F002:
Inputs (Ri = 100 kΩ)
Actual-value signal
Setpoint signal: night
Air-volume limitation
0...10 V
0...10 V
0...10 V = 0...100%
Y06367
Outputs
Contacts: present 1)
Contacts: alarm 1)
Setpoint signal 2)
Wiring diagram
Dimension drawing
Fitting instructions
34 V = (1...10 mA)
34 V = (1...10 mA)
0...10 V, load > 5 kΩ
F001
F002
F001
F002
A06640
A08041
M06641
MV 505458
MV 505608
Operation: F001
Together with the RLE 152 air-volume controller, the fume-cupboard monitoring unit monitors the volume of air through the fume cupboard. The sash's opening is fed as the setpoint to the monitoring unit
and compared with the air volume's actual value. The deviation is indicated both optically and acoustically, as required by EN 14175.
An illuminated strip of 12 LEDs indicates the deviation between the target and the actual values. Starting at 10% , an LED lights up for each further 10%
(but the first LED denotes ‘In operation’). If the
setpoint and the actual value are within ± 8% of each other, the LEDs light up green. If the actual
value is too small by more than 8% , they light up red, and if it is too large by more than 8% , the
LEDs light up yellow.
In the event of a malfunction, an acoustic signal is emitted and the alarm contacts open. The acoustic
alarm sounds if the air volume's actual value is either smaller by more than 8% or larger by more
than 8% than the setpoint. The acoustic alarm is activated with a time delay of about 15 seconds.
The alarm can be suppressed by pressing the mute key. When actual value and setpoint again reach
equilibrium, the acoustic alarm is again ready for operation.
The alarm signal fed to the BMS is not affected by the mute key.
On fume cupboards with both vertical and horizontal sashes, the signal from the horizontal sash can
be fed to the monitoring unit – via external contacts – with priority over the vertical sash. The setpoint
signal (10 V = 100% ) from the monitoring unit (GY/PK wire) is fed back to the monitoring unit
(PK wire) via the external switch (on the fume cupboard’s sash).
A key combination allows the setpoint signal of the SGU 100 sash sensor to be restricted (minimum
restriction) to between 10 and 100% . If the limit is undercut, the comparison between setpoint and
actual value uses the programmed value. If this value is undercut, an acoustic signal is emitted.
If the SGU 100 sash sensor is fitted at the rear of the fume cupboard, the setpoint signal can be inverted by employing an internal change-over switch (jumper).
Sauter Components
7143155003 04
43.155/2 RXE 110
Operation: F002
Together with the RLE 152 air-volume controller, the fume-cupboard monitoring unit monitors the air
intake speed in the fume cupboard. The air speed is fed as the setpoint to the monitoring unit and
compared with the actual value. The deviation is indicated both optically and acoustically, as required
by EN 14175.
An illuminated strip of 12 LEDs indicates the deviation between the target and the actual values (but
the first LED denotes ‘In operation’). Starting at 0,1 m/s, an LED lights up for each further 0,1 m/s. If
the setpoint is equal to or greater than the actual value, the LEDs light up green and there is no acoustic signal. If the limit of the actual value is undercut, the LEDs light up red and an acoustic signal is
emitted with a time lag of about 15 seconds, and the alarm contacts open.
The alarm can be suppressed by pressing the mute key. When actual value and setpoint again reach
equilibrium, the acoustic alarm is again ready for operation. The alarm signal fed to the BMS is not
affected by the mute key.
The setpoint for controlling the air intake speed can be set – using a key combination – between 0,1
and 1,0 m/s. The difference to the setpoint for the alarm can also be set via a key combination between 0,1 and 1,0 m/s.
The monitoring unit has a PI control loop with an integral action time of 1 s. The amplification factor can
be set between 0,05 and 1,5 using a key combination.
Function keys
max
min
low speed
mute
present
Regardless of the position of the sash, an air volume of 100% is given, the acoustic alarm is activated and the alarm contacts open.
Regardless of the position of the sash, an air volume of 20% is given, the acoustic
alarm is activated and the alarm contacts open.
Reduces the inlet speed by 30% (factor of 0.7) at the sash in daytime operation.
Suppresses the acoustic alarm.
Revokes the night-time mode; suppresses BMS control via timer.
On pressing the present key, the red ‘night’ LED goes out
and the contacts are opened.
Additional technical data
Complies with:EMC directive 89/336/EC
EN 61000-6-1/ EN 61000-6-2
EN 61000-6-3/ EN 61000-6-4
Dimension drawing
67
125
max
min
low
speed
mute
present
31
2900
M06641
Sauter Components
7143155003 04
RXE 110
43.155/3
Wiring diagram
RXE 110 F001
S2
(Vmin)
0
–
ΔV = +/-8%
S1
min
a
max
24 V~
BU
0
1
100%
20%
BN
1
+
normal (factor =1.0)
low speed (fact=0.7)
mode A/B:
mute
0
10 V=
RD
VT
GN
+
–
xi
0...10V
w
BU
alarm
–
present
0...10V
+
Xs night
a=
0...10V
SGU 100
V=100 %
YE RD/BU
WH GY
0...10V
BK
Xs
Limit V
b=
PK
RLE 152
GY/PK
b
timer on
present
RLE 152
A/B
A06640e
RXE 110 F002
S2
(gain)
normal (factor =1.0)
low speed (fact=0.7)
(Xs)
0
PI
1
100%
20%
BN
a
S1
max
BU
min
24 V~
(Δv [m/s])
mute
0
timer on
present
w
+
–
alarm
–
GN
0...10V
+
VT
Limit V
b=
Xs night
a=
0...10V
0...10V
SVU 100
YE RD/BU
WH GY
RLE 152
BK
Xi
present
RD
b
BU
A08041c
Key
BN
brown
xi
actual-value signal, RLE 152 (F001)
BU
blue
xi
actual-value signal, SGU 100 (F002)
RD
red
Xs
setpoint signal, SGU 100 (F001)
PK
pink
Xs night
setpoint signal, night
YE
yellow
w
command signal, RLE 152
GY/PK
grey/pink
Limit
limitation signal
RD/BU
red/blue
S1
presence indicator
BK
WH
black
S2
white
alarm indicator
opto-coupler
GY
grey
optional
VT
violet
GN
green
Sauter Components
7143155003 04
43.155/4 RXE 110
Example of application
1. Volume of return air controlled in proportion to the amount that the sash is opened.
3
geschlossener Raum
enclosed room
local étanche
M
1
PD/F
2
PI
RLE 152 F001
8
8
RXE 101
10
2
2
3
M
3
M
RLE 150 F100
4
PI
PD/F
5
PD/F
PI
1
6
PI
G
RLE 152 F001
EY
Limit V
PD/F
SGU 100 F001
RLE 152 F001
9
7
T
P
RXE 110 F001
B06333d
1
2
3
VAV controller
Damper drive
Reducing box
4
5
6
Pressure controller
Return-air VAV controller for fume cupboards
Sash sensor
Sauter Components
7
8
9
10
EY
Monitoring unit
Manual damper
Room-temperature controller
VAV adding unit
Control centre; night mode; collective alarm
7143155003 04
RXE 110
43.155/5
Example of application
2. Constant air intake speed controlled independently of the amount that the sash is opened.
3
geschlossener Raum
enclosed room
local étanche
M
1
PD/F
2
PI
RLE 152 F001
8
8
RXE 101
10
2
5
3
M
1
PD/F
PI
2
3
M
PD/F
PI
SVU 100 F004
6
RLE 152 F001
PD/F
EY
Limit V
RLE 152 F001
9
T
7
P
RXE 110 F002
B08162c
1
2
3
VAV controller
Damper drive
Reducing box
4
5
6
Pressure controller
Return-air VAV controller for fume cupboards
Flow sensor
Sauter Components
7
8
9
10
EY
Monitoring unit
Manual damper
Room-temperature controller
VAV adding unit
Control centre; night mode; collective alarm
Printed in Switzerland
Right of amendment reserved
N.B.: A comma between cardinal
numbers denotes a decimal point
© Fr. Sauter AG, CH-4016 Basle
7143155003 04