Siemens 7MB2335, Operating Instructions Manual, Page: 25 / 168

Technical Description
Operating instructions ULTRAMAT 23 gas analyzer
C79000-B5276-C216-03 3-3
3.2 Design
• 19“ unit with 4 HU for installation
- in swing frame
- in cabinets, with or without slide rails
• Flowmeter for sample gas on front panel (not in version with
pipes);
Option: integrated sample gas pump (standard for bench-top
version)
• Gas connections for sample gas input and output as well as
combustion gas and combustion air, pipe diameter 6 mm or
¼“
• Gas and electrical connections at the rear (portable version:
sample gas inlet at front).
Display and control panel
• Operation according to NAMUR recommendation
• Simple, fast programming and commissioning of analyzer
• Large, backlit LCD for measured values
• Menu-based inputs for programming, test functions and cali-
bration
• Washable membrane keypad
• User help in plain text
• Multi-language operation software.
Inputs and outputs
• Three binary inputs for sample gas pump On/Off, triggering of
AUTOCAL and synchronization of several devices
• Eight relay outputs can be freely configured for fault, mainte-
nance request, maintenance switch, limits, range identifica-
tion and external solenoid valves
• Eight additional relay outputs as an option
• Eight additional binary inputs as an option
• Electrically isolated analog outputs.
Communication
• RS 485 present in basic unit (connection from the rear).
Options
• Converter to RS 485/USB
• Converter to TCP/IP Ethernet
• Incorporation in networks via PROFIBUS DP/PA interface
• SIPROM GA software as service and maintenance tool.
Immediate return to
measurement mode
CAL key to start AUTOCAL
with ambient air or N
2
or air without CO
2
Switch internal pump on and off;
pump flowrate adjustable via menu
ENTER key to call the
main menu or to save
entered values
↑↓ → Keys for menu control;
increasing/decreasing numerical values
Scroll back in menu or
cancel an input
Two columns reserved
for status displays
One line per component for
measured value, dimension
and component name
LED backlit display;
brightness adjustable via menu
Dimension freely selectable
(ppm, vpm, mg/m
3
, %)