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EK280
Application Manual
86
Device
variant
Functional range
Permissible action in the field
Execution
permitted by
Additional activity
Influence on
warranty?
Exchange
1)
Retrofitting
1)
Connection
All
digital inputs
-
-
x
Operator
-
no
digital outputs
-
-
x
Operator
-
no
internal interface
-
-
x
Operator
-
no
device battery
x
-
-
Operator
-
no
modem battery
x
-
-
Operator
-
no
antenna
x
2)
-
-
Operator
-
no
pressure sensor
x
-
-
Honeywell customer
service
calibration & adjustment
-
temperature sensor
x
-
-
Honeywell customer
service
calibration & adjustment
-
ATEX
zone 0/1
no further action is permitted
ATEX
zone 0/1
internal power
supply
x
-
-
Operator
separate verification
required
warranty
claim expires
-
x
-
Honeywell customer
service
(with ATEX training)
Tests in accordance with
the Low Voltage
Directive; separate
verification required
-
-
-
x
Operator
-
no
Internal
communication
module
x
x
x
Operator
-
no
2. pressure sensor
x
x
-
Honeywell customer
service
Calibration
-
2. temperature
sensor
x
x
-
Honeywell customer
service
Calibration
-
If the EK280 is not installed in an Ex Zone 0/1, please proceed as follows:
−
If theEK280 is connected to an external power supply, please switch this off.
Danger!
For EK280 with internal power supply, the mains voltage must be switched off before opening
the housing, ensure it is not turned back on and verify that there is no voltage.