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WORD
UNIT FUNCTIONS (16 BIT)
MODIFY STATUS
unit status (on-off )
on-off remote status
chiller active
heat pump active
manual reset alarms
acknowledgment / not acknowledgment alarms
dinamic set-point
Energy saving mode
MODIFY ENABLE
off device
on-off remote
chiller function request
heat pump request
manual reset alarms request
acknowledgment / not acknowledgment alarms request
Dinamic set-point request
Energy saving mode request
OUTPUT RELAYS
STATUS RELE'
alarm
STATUS RELE'
alarm
SPECIFICATIONS REG 1280
reg 1280
MSByte
CHANGE STATE
Bit0
instrument status
in reading:
bit=0 if instrument in stand-by or off-remote
bit=1 if instrument turned on in chiller or pdc
in writing:
only the switching off is allowed by setting bit = 0
Bit1
Remote ON / OFF status
Read only: bit = 1 instrument in On state, bit = 0 instrument in remote Off state active
Bit2
Chiller operation
Reading: if bit = 1 the machine is in chiller mode
In writing if bit = 1 the machine is switched on in chiller mode
Bit3
Heat pump operation
Reading: if bit = 1 the machine is in heat pump operation
In writing if bit = 1 the machine is switched on in heat pump operation
Bit4
Reset alarms
Write only: Setting the bit = 1, has the manual reset of all alarms
Bit5
Read / Write Alarm Silence
In reading: bit = 1 if the alarms have been silenced
In writing: if bit = 1 are silenced any alarms present
Bit6
Dynamic set-point
Reading: if bit = 1 the dynamic set point is active
Bit7
Energy Saving Mode
Reading: if bit = 1 the Energy Saving is active
reg 1280
LSByte
MODIFICATION ENABLING
Bit0
Enable device Off command
In writing:
only the switching off is allowed by setting bit = 0
Bit1
Remote ON / OFF status
Read only: bit = 1 instrument in On state, bit = 0 instrument in remote Off state active
Bit2
Chiller operation
Reading: if bit = 1 the machine is in chiller mode
In writing if bit = 1 the machine is switched on in chiller mode
Bit3
Heat pump operation
Reading: if bit = 1 the machine is in heat pump operation
In writing if bit = 1 the machine is switched on in heat pump operation
Bit4
Reset alarms
Write only: Setting the bit = 1, has the manual reset of all alarms
Bit5
Request for silencing / non-silencing of alarms
In reading: bit = 1 if the alarms have been silenced
In writing: if bit = 1 are silenced any alarms present
Bit6
Dynamic set-point
Reading: if bit = 1 the dynamic set point is active
Bit7
Energy Saving Mode
Reading: if bit = 1 the Energy Saving is active
SET UNIT WORKING MODE
See Bit
1280
MSByte
R/W
Bit0
R
Bit1
R/W
Bit2
R/W
Bit3
W
Bit4
R/W
Bit5
R
Bit6
R/W
Bit7
LSByte
R/W
Bit0
R/W
Bit1
R/W
Bit2
R/W
Bit3
R/W
Bit4
R/W
Bit5
R/W
Bit6
R/W
Bit7
SETPOINT
DIGITAL OUTPUT STATUS UNIT
2048
See Bit
MSByte
Bit0
R
LSByte
Bit0
R
SETPOINT
SETPOINT
39
Most used values written : 0=off; 1028=chiller on;
2056= heat pump on
1281
on=1; off=0
on=1
on=1
1281
1281
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