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Verfügbare Sprachen
Verfügbare Sprachen
14.3.3 Setting gas unit
Depending on the target gas, the units of measurement can
be switched between ppm, %LEL and Vol%.
1. Select GAS - unit
The display toggles between the current value and the
menu item.
2. Tap [OK]
The value flashes (data entry mode)
3. Tap [UP] or [DOWN] to scroll through the units of
measurement.
4. Confirm with [OK].
The value is set and the instrument returns to the
menu.
5. Exit the menu.
Info - 305 is indicated. Please check the alarm level
set points to ensure safe operation with the new
configuration.
14.3.4 Setting the PIR pin
Only numbers 0 to 9 are allowed for the password.
Blank spaces are available as character.
1. Select PIR-PIN-Set and tap [OK]
The display shows old-PIR-PIN
2. Tap [OK] and enter the current PIR pin
The 4-digit LCD will then show '0000', with the first
zero on the left flashing.
3. Tap [UP] / [DOWN] to increment or decrement this digit,
then tap [OK].
The second digit will flash.
4. Repeat the process for the other digits and tap [OK]
NEU-PIR-PIN is displayed.
5. Tap [OK] and enter the new PIR pin
► If the entered old PIR pin was correct, the new PIR pin
is set and the instrument returns to the menu.
► If the entered old PIR pin was not correct, the message
PIR-PIN-FAIL is displayed.
14.3.5 Switching the PIR Lock On/Off
The PIR Lock function is a special function of the PIR 7x00.
Having the PIR Lock turned on will limit the access to the
parameters of the PIR 7x00.With the PIR Lock on, the Safety
Integrity Level of the PIR 7x00 is SIL 2.
For applications with Safety Integrity Level (SIL) and any
other configuration (if applicable), observe the technical
handbook for the PIR 7x00.
To switch the PIR lock on/off:
1. Select PIR-LOCK-ON/OFF
The display toggles between the current value and the
menu item.
2. Tap [OK]
The PIR pin has to be entered.
3. Enter the PIR pin and tap [OK]
4. Set the PIR Lock status.
Instructions for use
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Dräger Polytron 5000 Series
► Select [UP] to activate the PIR lock status (ON)
If all settings in the PIR 7x00 are in accordance
with the requirements to achieve SIL operation for
PIR 7x00, this function activates the PIR Lock in
the PIR 7x00 and automatically exits the menu.
► Select [DOWN] to deactivate the display (OFF)
5. Confirm with [OK] and exit the menu.
15
Factory default settings
15.1 Fixed settings for relays, LED and
alarm
Setting
Fault relay
Energized / Normally Open
Yellow Fault LED
Lit if a fault message is available
Red Alarm LED
Single blink if A1 condition is present.
Double blink if A2 condition is
present. If an alarm is configured as
acknowledgeable and the alarm is
acknowledged, single/double blink
changes into continuously lit.
Alarm Hierarchy
A2 overrides A1 on the LED. However,
the A1 and A2 relays operate inde-
pendently. I.e. if A1 is acknowledgeable
and A2 is not, and the gas concentra-
tion is such that it triggers A1 and A2:
acknowledging will cause the A1 relay
to release. However, the red LED will
still double blink as long as the A2 con-
dition continues to exist.
15.2 Fixed setting: capture range
15.2.1 Capture range
The capture range blanks out measurement fluctuations.
Measurement fluctuations are minor variations in measured
values (such as signal noise, variations in concentration).
Those variations do not change the transmitted or displayed
value. Measured values within this range will be displayed
with the capture value. Measured values outside the capture
range will be displayed with the actual measured value.
Capture value (offset)
The capture value is displayed continuously, as long as the
measured value ranges between the upper and lower capture
value limits.
Upper capture value limit
The upper capture value limit marks the upper limit of the
range in which the capture value is displayed.
Lower capture value limit
The lower capture value limit marks the lower limit of the
range in which the capture value is displayed.
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Factory default settings
en
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