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Operating Instructions BD Controller 101N07xx Series 24 V DC

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 -

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