Siemens FIDAMAT 6 - Page 170

Technical specifications
11.1 General technical data of the FIDAMAT 6 gas analyzers
FIDAMAT 6
168 Operating Instructions, 01/2019, A5E00222135-04
Time response
Damping (electrical time constant) 0-100 s, can be configured
Dead time (purging time of the gas path in the device at
a flow of 1 l/min)
2-3 s
Time for device-internal signal processing < 1 s
Table 11- 5 Technical specifications – Measuring characteristics
Measuring characteristics
(with respect to a measuring gas pressure of 1013 hPa absolute, sample gas flow of 0.5 l/min
and an ambient temperature of 25 °C)
Output signal fluctuations < 0.75% of smallest possible measuring range according to rating
plate with electronic damping constant of 1 s (this corresponds to +/-
0.25% at 2 σ)
Zero point drift
< 0.5% /month of the smallest possible span according to rating plate
Measured value drift
< 1% /week of smallest possible span according to rating plate
Repeatability
< 1% of smallest possible span according to rating plate
Linearity deviation
< 1% of smallest possible span according to rating plate
Table 11- 6 Technical specifications – Influencing variables
Influencing variables
(with respect to a measuring gas pressure of 1013 hPa absolute, sample gas flow of 0.5 l/min and an
ambient temperature of 25 °C)
Ambient temperature
< 1%/ 10 K with respect to the smallest span according to rating plate
Ambient pressure
< 1% /50 hPa
Sample gas pressure
< 2% of span /1% change in pressure
Auxiliary power supply
< 1% when the output signal span changes by ±10%
Frequency
< 1%
Position influence
< 1% for inclination < 15°
Table 11- 7 Technical specifications – Electrical inputs and outputs
Electrical inputs and outputs
Analog output
0/ 2/ 4 to 20 mA, floating, max. load impedance 750 Ω
Relay outputs 6, with changeover contacts, user-configurable, e.g. for measuring
range identification;
max. load: 24 V AC/DC / 1 A, floating
Analog inputs 2, designed for 0/ 2/ 4 to 20 mA for external pressure sensor and auxil-
iary gas correction (correction of cross-interference)
Binary inputs 6, designed for 24 V, floating, user-configurable, e.g. for measuring
range switching
Serial interface
ELAN (RS 485)
Options Autocal function with 8 additional binary inputs and eight additional
relay outputs, also with PROFIBUS PA or PROFIBUS DP