Dräger Polytron 7000 Instructions For Use Manual page 39

10.1.3 Setting the HART tag
The HART tag (session ID designation) is used to identify a session ID.
1. Select Settings > Communication > Hart interface > Tag.
2. Set the HART tag and select Confirm. The HART tag can consist of up to 8
alphanumeric characters.
10.2 4-20 mA interface
10.2.1 Setting the full scale value
The full scale value is equal to the measured value at which 20 mA are output. The
standard full scale value of the sensor is used as default.
For information about the settings range for the full scale value refer to the
instructions for use for the sensor used. For DrägerSensor O
section 14.3.
1. Select Settings > Communication > Analog interface > Analog setpoint.
2. Set the full scale value and select Confirm.
10.2.2 Information about the warning signal
In the event of a warning signal a warning level is issued on the 4-20-mA interface
for the T2 interval. For the remainder of the time of T1, the measured signal is
transmitted.
[mA]
10.2.3 Switching the warning signal on/off
1. Select Settings > Communication > Analog interface > Warning on/off.
2. Select Enable or Disable.
10.2.4 Setting the warning interval
1. Select Settings > Communication > Analog interface > Warning interval.
2. Set the times for warning intervals T1 and T2 and select bestätigen.
10.2.5 Setting the electric current value of the warning signal
1. Select Settings > Communication > Analog interface > Warning value.
2. Set the electric current value and select Confirm.
20
4
3
Dräger Polytron 7000
T
2
T
1
Communication settings
and O LS see
2 2
t
[s]