Statox 503 Control Module
Issue 10 / 2018 Page
5
of
46
Product description
The Statox 503 Control Module can be used in two different modes:
As a
Control Module
it supplies the sensor heads for toxic or combustible gases with energy and handles
their signal. It can be configured for different gases and measuring ranges. The Statox 503 Control Module
displays the concentration and converts it into a 4 – 20 mA signal at the analog output. If one of the
programmed alarm thresholds is exceeded, the relevant LED goes on, the relevant relay switches and the
relays status is communicated on the communication bus. The alarms can be set latching or non - latching.
Latching alarms can be reset by pushing the reset button or by an external contact.
Please note:
Sensor heads for toxic gases and oxygen (Statox 501/S, Statox 505 and Statox 506) are protected in
concept Ex i (intrinsic safety) and must be connected via an intrinsically safe repeater, as far as they
are intended to be installed in a hazardous area (Zone 1 or 2).
Sensor heads for combustible gases and CO
2
(Statox 501 HRC, ARE, LCIR, MCIR and CO
2
) as well as
Statox 501 Infratox and Statox 560 are protected in concept Ex e (enhanced safety) or Ex d
(flameproof). They can be connected directly to the Control Module even if they are intended to
operate in Zone 1 or 2.
The Statox 503 can also be operated as
Common Alarm Module
. It collects the alarm signals (A1/A2/SF) of
up to 25 connected control modules and generates a common alarm on LEDs, relays and its analog output.
This way you can set up a multi - channel gas detection system. Prerequisite is that all modules are connected
to each other via bus adapter. An error from the Control Module or the connected sensor heads will appear
on the respective Control Module as well as on the Common Alarm Module.
If power supply is provided via the optional bus plugs, it is possible to replace the modules during operation
without effort.
