FlexADOS 914 LON®
Measuring, control and warning unit for sensors
Suitability
The FlexADOS 914 LON® is a measuring, control and warning unit for gas sensors. It continuously monitors the ambient air and provides an early warning of harmful, explosive and non-flammable gases and vapours. Together with the TOX 914 LON® gas transmitters, FlexADOS 914 LON® fulfils VDI guideline 2053 from December 2014 and also EN 50271.
Areas of application
- Garages and tunnels
- Chemicals industry
- Paint and varnish manufacturing
- Liquid gas storage facilities
- Laboratories
- Refrigerated warehouses (ammonia monitoring)
- Refineries
- Measurement of oxygen concentration
- Gas-powered boilers
- Wastewater treatment plants
- and much more
Features
- Up to 60 digital LON®bus sensors are evaluated (TOX 914 LON®, LCTR 404 LON®)
- Graphic LCD display to show actual values, mean values and faults in plain text
- Indicator for operation, malfunction, maintenance, power failure
- Simple menu-guided setting of the device parameters using 6-part keyboard
- Five alarm thresholds per sensor, independently adjustable from 10 to 90% of the measuring range
- Averaging from 1 to 60 minutes possible, 2 levels (fan areas) can be displayed
- Maximum of 14 potential-free changeover contacts to control further warning and control facilities
- Potential-free changeover contact for malfunction, maintenance and power failure
- As an option: Building control system connection for data transfer (measuring value and state)
- Plastic wall housing (IP 54)
- High operating reliability
- Low power consumption
- Simple assembly
- Uninterrupted electricity supply possible
Measuring ranges
Gas types can be
adjusted as desired,
Examples: |
CO carbon monoxide
NO2 nitrogen dioxide
NO nitrogen monoxide
CH4 methane |
physikalische Einheit beliebig einstellbar,
Beispiele: |
%LEL
ppm
VOL% |
Technical data
Sensors digital LON® |
60 sensors in a four-wire system |
Power supply |
100-240V 50/60Hz,
optional 24Vdc |
max. power consumption |
60VA |
Operating conditions |
-13°F...+113°F
80kPa...120kPa
0%...95% rel. humidity
non-condensing |
Protection class due to housing
(DIN EN 60529) |
IP 54 |
Dimensions (WxHxD) |
11,8 x 9,06 x 4,73 inch |
Displays |
Graphic LCD display
128 x 64 px
Background red/green/yellow
LED power, malfunction,
power failure, maintenance |
digital inputs |
3 |
analogue outputs |
2 x power output 4...20mA
max. burden 400 ohm |
digital outputs |
2 alarm levels with max
17 relays
per 1 relay
Malfunction, power failure,
maintenance
14 alarm relays
Potential-free change-over
contacts
Switching capacity max 250V/8A
Expansion possibility up to
a total of 6 alarm levels |
other interfaces |
USB
Universal fieldbus (option) |
Weight |
5,96 lbs |
Service life
Buffer battery clock
Service life parameter memory |
> 10 years
> 20 years |
Storage conditions |
max. 1 year
-13°F...+113°F
80kPa...120kPa
0%...95% rel. humidity
non-condensing |
certified according to |
VDI2053
EN50545
EN50271
EN50270 |
Accessories
Horn, warning light, blinker lamp, recorder, emergency power unit UPS 2000-24V, gas cooler, gas inlet, and much more. Additional accessories are offered on request depending on the measuring task.
Universal FieldBus
Optional data interfaces for building management systems (BMS):
- LONWorks
- Modbus RTU
- Profibus
- ModBus TCP
- TCP/IP (Webserver)