Ados

FlexADOS 914 LON®

Measuring, control and warning unit for sensors
FlexADOS 914 LON®

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 50271:2011.

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
  • 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: 
%UEG
%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 128x64 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
LONWorks (option)
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 VDI2053:2014, EN50545:2012
EN50271:2011, EN50270:2010

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.

Information exchange

Optional data interfaces for building management systems (BMS):

  • LONWorks
  • Modbus RTU
  • Profibus
  • BacNet
  • ModBus TCP
  • TCP/IP (Webserver)