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Operating Instructions
BD Controller 101N07xx Series 24 V DC
20
DEHC.PS.100.I.02
4.2.8 Compressor safety
In order to prevent the compressor from short cycling a minimum restart time is built in.
After timeout of
Compressor restart time
a new start of the compressor is permitted.
Settings
4.2.9 Communication
Lost communication
In a network system with custom designed interface modules acting as master on the Modbus, it is
desirable to stop the compressor from running when communication to the master is lost.
If communication is lost it will not be possible for the customer to stop the compressor as long as cool-
ing is requested.
The function will stop the compressor after a certain time,
(Communication time out)
when there is no
contact to the master controller. The stop is realized through the
MainSwitch
. The
Main Switch
will be
set to OFF. It will remain OFF until the master controller sets it back to ON via Modbus.
Protection of settings
A coded privacy function protects customers’ settings from being read by third parties.
The code must be verified by entering twice.
Settings
Name
Default
Max value
Min value
Step
Unit
Compressor
restart time
60
120
60
1
Seconds
Name
Default
Max value
Min value
Step
Unit
Node number
1
247
1
1
-
Bits per second
19200
19200
9600
9600
0 = Disabled
1 = Enabled
Communication
0
1
0
1
Seconds
Communication
timeout
900
7200
15
1
-
Setting protection
code & status
0
9999
0
1
-
Содержание 101N0715
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