MCT-CM
204
Reading bit-oriented parameters
The value contained in these parameters is dependent
upon the combination of “on” bits (1). Therefore, only
the individual status of each bit has meaning, not the value of the parameter.
Setting bit-oriented parameters
The value that must be written to these parameters is dependent
upon the combination of “on” bits. Therefore,
it is necessary to know the current value of the parameter before setting it so that only the bit status you want
to update is changed. Otherwise, sending a value derived from only the bit you wish to set will turn off all other
functions related to the other bits in the parameter.
*B1
*B2
Parameter
Value
Description
Bit0
Off
Bit1
Hold
Bit2
Continue
Bit3
Restart
Bit4
Resume
Bit5
– Bit15
Not Assigned
*B3
Parameter
Value
Description
Bit0
Demand Defrost
Bit1-7
Not Assigned
Bit8
Defrost Off
Bit9
Defrost Cycle Active
Bit10
Fan Delay (PreCool) Active
Bit11-15
Not Assigned
Parameter
Value
Description
Bit0
MCT Online
Bit1 - Bit15
Not Assigned
DO NOT
alter the state of this register. Bit0 is the system online bit and
is set by the MCT HMI when the unit is ready for operation. Turning off
this bit will turn off the system.
The status of this register should be used for information only, as a means
of determining if the system is ready for operation.
Note:
Bit0 (demand defrost) will automatically reset after being written
to activate defrost. Bits 8-10 are status bits only and will indicate the
current defrost status.
Содержание MCT-CM
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