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13
Operation, maintenance and care
13.1
Cleaning
The front of the device (front foil) can be cleaned with standard detergents, rinsing and cleaning agents.
CAUTION!
The front of the device is not resistant to aggressive acids and lyes, scouring agents, and clean-
ing with a pressure cleaner.
Use of these media can cause damage.
Only clean the front of the device with suitable agents.
13.2
Sensor replacement on device versions with a separate sensor
NOTE!
Sensor replacement is not possible on JUMO digiLine electronics in device versions as a head transmit-
ter. Here, replacement of the entire module with sensor and electronics is required.
Replacement of the sensor with retention of the JUMO digiLine electronics
On device versions with a separate sensor, the sensor can be disconnected from the JUMO digiLine
electronics. If the sensor needs to be replaced, the JUMO digiLine electronics can be connected to a
new sensor and re-inserted. The "Sensor replacement function" must be used in this case to reset the
corresponding data in the JUMO digiLine electronics and increment the "sensor counter".
JUMO DSM software operating manual
Replacement, disconnection and reconnection of JUMO digiLine electronics
The replacement, disconnection, and reconnection of JUMO digiLine electronics to a JUMO digiLine bus
system for maintenance purposes can be carried out with the bus master switched off or also during op-
eration. When replacing JUMO digiLine electronics, the new JUMO digiLine electronics have to be put
into operation on the JUMO digiLine master.
chapter 8 "Startup", page 45
If the JUMO digiLine electronics is disconnected from the bus and then reconnected, it resumes service
automatically. If "sensor information" or "interface configuration" were changed in the JUMO digiLine
electronics prior to reconnection with the JUMO DSM software on the PC, ensure the following:
•
In the Modbus mode, ensure that the interface configuration is correct. Otherwise, the electronics
will not resume operation.
•
In the JUMO digiLine mode, a change of the "sensor information" requires "linking" the JUMO dig-
iLine electronics in the JUMO AQUIS touch S/P again (cf. chapter 8 "Startup", page 45).
CAUTION!
Disconnecting the JUMO digiLine bus line and/or removing the terminating resistors and termi-
nating connectors during operation will disrupt the digiLine bus.
Possible consequences include bus disruptions with loss of the measured values from the sensor on the
bus affected.
Before the bus cabling is changed, it is necessary to take measures that ensure safe operation of
the system if sensors fail on the JUMO digiLine bus.
13 Operation, maintenance and care
65
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