Operation
Dräger Polytron 8000
13
4.2.1
Special symbols
The following special symbols, which indicate the device state,
may be displayed on the right hand side in measurement mode.
4.2.2
LED symbols
When the optional relay PCB is used:
z
If the first alarm has been triggered, the red LED will single
flash. A1 relay is activated.
z
If the second alarm has been triggered, the red LED will
double flash. A2 relay is activated.
z
If an alarm can be acknowledged and is acknowledged,
the LED stops flashing and is lit continuously instead until
the alarm condition is no longer present. The corresponding
relay is deactivated.
4.3
Activating the Info mode
The Info mode is used to present information about the central
device settings and states.
z
Tap and hold for 3 seconds.
The device information appears on several sreens.
No changes can be made.
z
Tap or briefly to switch between the screens.
z
The Info mode can be ended at any time by selecting .
z
If no button is selected within 30 seconds, the device
reverts automatically to the measurement mode.
Example of the Info mode
(Screens vary depending on sensor):
1. Screen - Device information:
z
Date and Time
z
Software version
z
Part number of the device
z
Serial number of the device
z
Device code
2. Screen - Sensor information:
z
Sensor description
z
Part number of sensor
z
Serial number of the sensor
z
Software version
z
Software revision
3. Screen - Sensor configuration:
z
Gas description
z
Maximum measurement range and measurement units
for the sensor
z
Measurement range and measurement units for the analog
interface. Only displayed when the 4-20 mA interface
is enabled.
z
A1 Alarm limit and measurement units
1
z
A2 Alarm limit and measurement units
1
Warning message present –
To display warnings, see chapter 7.1.1 on page 18.
Information can be retrieved in Info mode, see chapter 4.3
on page 13.
Fault message present –
To display the fault, see chapter 7.1.2 on page 18
Maintenance signal will be generated on the interface,
see chapter 8.3.2 on page 22.
Measurement range of analog interface exceeded
Measurement less than range of analog interface
Analog interface is set to a fixed value (e.g. Multidrop HART
communication) and is not transmitting any measurements.
"Preventive" maintenance: The sensor is ready for operation
"Preventive" maintenance: The sensor is ready for operation
but is close to the end of its life cycle.
"Preventive" maintenance: The sensor is still ready for
operation but should be changed as soon as possible.
The datalogger is active in rolling mode.
To activate/deactivate, see chapter 8.5.2 on page 26.
The datalogger is active in stacking mode.
To activate/deactivate, see chapter 8.5.2 on page 26.
SIL SIL is activated (observe Safety Manual - Order Number
9033307).
Symbol
LED
Description
red
Alarm triggered
yellow
Malfunction / Warning
green
Switched on
Measurement mode
NOTICE
The alarm triggering function is only available when
the optionally integrated relay module is used.
i
i
1 Only displayed when relay is configured.
M
OK
A001.eps
07.11.2003 12:34
SW Version
: 1
Part No.
: 8317778
Serial No.
: ARUA0001
DeviceCode: 00006317
Instrument Info
1/3
A002.eps
2/3
Sensorname: O
2
Part No.
: 6809630
Serial No.
: XXXXXXX
EEPROM Typ
: 1
EEPROM Vers.: 1
Sensor Info
A003.eps
3/3
Gasname : O
2
Range : 25.00 Vo
4–20 SP
: 25.00 Vo
Alarm A1
: 19.00 Vo
Alarm A2
: 23.00 Vo
Sensor Config.