Technical Data - S+S Regeltechnik AERASGARD FSFTM-CO2-Modbus Notice D'instruction

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G
®
AERASGARD
FSFTM - CO
The room sensor and measuring transducer AERASGARD
measure the CO
content, relative humidity and temperature of the air, and for setpoint adjustment. The measured values are queried via the
2
Modbus interface.
The CO
content of the air is measured using an optical NDIR sensor (non-dispersive infra-red technology). A digital, long-term stable sensor is used
2
for humidity and temperature measurement. Relative humidity [% r. H.] is the quotient of water vapour partial pressure divided by the saturation
vapour pressure at the respective gas temperature.
The in-wall sensor is mounted in high-quality panel switch programmes, ideally of the brands Gira, Berker, Merten, Jung, Siemens or Busch-Jaeger
(using in-wall adapters, no setpoint adjustment possible) either individually or in combination with light switches, socket outlets, etc.
It is used in non-aggressive, dust-free environments, in refrigeration, air conditioning and clean room technology, and in interior rooms, such as living
rooms, offices, hotels, etc.

TECHNICAL DATA

Power supply:
Power consumption:
Bus parameters:
Bus interface:
Bus protocol:
Baud rate:
Signal filtering:
Data points:
CARBON DIOXIDE (CO
)
2
Sensor, CO
:
2
Long-term stability:
Measuring range, CO
:
2
Measuring accuracy, CO
:
2
Temperature dependence, CO
:
2
Pressure dependence:
Gas exchange:
Warm up time:
Response time:
HUMIDIT Y
Sensor:
Long-term stability:
Measuring range, humidity::
Operating range, humidity:
Deviation, humidity:
TEMPERATURE
Measuring range:
Deviation, temperature:
Mounting:
Electrical connection:
Ambient temperature:
Permitted humidity:
Medium:
Protection class:
Protection type:
Standards:
SWITCH PROGRAMME
Manufacturer:
Enclosure:
- Modbus
2
®
FSFTM - CO
24 V AC ⁄ DC (± 10 %)
< 4.4 W ⁄ 24 V DC ; < 6.4 VA ⁄ 24 V AC
In the absence of current delivery (under currentless conditions)
can be configured and addressed via DIP switch!
RS 485, galvanically isolated, bus termination can be activated via DIP switch.
Up to 32 devices possible in one segment.
In case of a greater number of devices, RS 485 transceivers must be used.
Modbus (RTU-Mode), address range 0...247 selectable
9600, 19200, 38400 Baud
4 s / 32 s
relative humidity [% r.H.], temperature [°C], CO
as well as setpoint potentiometer (no setpoint adjustment possible with Busch-Jaeger)
optical NDIR sensor (non-dispersive infra-red technology),
with manual calibration (via zero button) and automatic calibration (fixed)
< 2 % in 15 years
0...5000 ppm
typically ± 30 ppm ± 3 % of measured value
± 5 ppm ⁄ °C or ± 0.5 % of measured value ⁄ °C (whichever is higher)
± 0.13 % ⁄ mm Hg
by diffusion
approx. 1 hour
< 2 minutes
digital humidity sensor with integrated temperature sensor,
low hysteresis, high long-term stability
± 1 % per year
0...100 % r. H.
0...95 % r. H. (non-precipitating air)
typically ± 3.0 % (20...80 % r. H.) at +25 °C, otherwise ± 5.0 %
0...+50 °C
typically ± 0.8 K at +25 °C
in-wall flush box Ø 55 mm
0.14 - 1.5 mm², via screw terminals
Storage –35...+85 °C;
Operation 0...+50 °C
max. 90 % r.H., non-precipitating air
clean air and other non-aggressive, non-combustible gases
III (according to EN 60 730)
IP 20 (according to 60 529)
CE-conformity, electromagnetic compatibility according to EN 61 326, EMC Directive 2014 ⁄ 30 ⁄ EU
GIRA System 55
(other switch programmes, manufacturers, colours as well as prices available upon request)
plastic, the standard colour is pure glossy white (similar to RAL 9010) (other colours are available upon request
with colour variants depending on the respective light switch programme)
- Modbus in the in-wall enclosure, optionally with potentiometer, is used to
2
content of the air [ppm]
2
10
Rev. 2020 - V12

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