Dräger Polytron 8000 Series Technical Manual

72 Technical Manual | Dräger Polytron
®
8000 Series
Interface settings
Time intervals and the warning current are configurable.
13.1.4 Switching the warning signal on or off
1. Select Settings > Communication > Analog interface > Warning and confirm.
2. Select Enable or Disable and confirm.
13.1.5 Setting warning interval
1. Select Settings > Communication > Analog interface > Warning interval and
confirm.
2. Set times for warning intervals T1 and T2 and confirm.
13.1.6 Setting warning current
1. Select Settings > Communication > Analog interface > Warning current and
confirm.
2. Set the current and confirm with [OK].
13.1.7 Setting maintenance signal
1. Select Settings > Communication > Analog interface > Maint. signal and
confirm.
2. Set the signal type and confirm.
13.1.8 Setting static maintenance current
The maintenance current can only be set if the maintenance signal has been set to
static.
1. Select Settings > Communication > Analog interface >Maint. current and
confirm.
2. Set the current and confirm.
35869
t
[s]
T
1
4
20
[mA]
T
2
3
static A constant current that can be configured.
dynamic A square wave signal with the following characteristics:
t
[s]
1,1
[mA]
0,7
5
3

Dräger Polytron 8000 Series Specifications

General

Ingress Protection	IP66/67
Detection Principle	Electrochemical, Infrared, Catalytic Bead
Gases Detected	Combustible gases, toxic gases, and oxygen
Display	LCD with backlight
Humidity Range	0 to 99% RH (non-condensing)
Housing Material	Stainless steel
Output Signal	4-20 mA, HART, RS-485 Modbus
Power Supply	10 to 30 V DC
Certifications	ATEX, IECEx, CSA
Temperature Range	-40 °C to +65 °C (depending on sensor)