UTEK HRU-EC Serie Bedienungsanleitung Seite 38

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 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 alarms request
Dinamic set-point request
Energy saving mode request
DINT change over set-point
DINT change over differential
WORD
OUTPUT RELAYS
STATUS RELAY
alarm
STATUS RELAY
alarm
SPECIFICATIONS REG 1280
How to read/write parameters with address equal or
bigger than 33024:
1) write "1" to the address 1795
2) read or write the new value of the parameter
3) if is not necessary to read/write other parameters,
disable extended parameter area: write ""0"" to the
address 1795"
4) to read/modify parameters with address bigger
than 33024 exit from reading/writing the
visibility/changeability of the parameters
(address 1793=0).
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
1280 See Bit
MSByte
Bit0 R/W
Bit1 R
Bit2 R/W
Bit3 R/W
Bit4 W
Bit5 R/W
Bit6 R
Bit7 R/W
LSByte
Bit0 R/W
Bit1 R/W
Bit2 R/W
Bit3 R/W
Bit4 R/W
Bit5 R/W
Bit6 R/W
Bit7 R/W
SET UNIT CHANGE OVER EXTERNAL TEMPERATURE
848 R/W
849 R/W
DIGITAL OUTPUT STATUS UNIT
2048 See Bit
MSByte
Bit0 R
LSByte
Bit0 R
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
SETPOINT
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SETPOINT