DriSteem Vapor-logic 4, Инструкция по установке и эксплуатации

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Operation
M o d b u s , B A C n e t , L o n Ta l k
i n t e r o p e r a b i l i t y
Table 66-1:
Interoperability variable and object names (continued)
Variable name and
BACnet object name Read Only
(RO) or
Read Write
(RW)
Modbus
register
number*
BACnet
Object
Type and
Instance
LonTalk variable
names** Description Units Range
I-P
units
SI units I-P units SI units
Setup variables
Run_mode
Write HR-1 MSV-01 nviRunMode
Set the current mode of
the unit or system. The
defined options are:
1 Auto
2 Local standby
3 System standby
4 Manual drain
-- -- 1 to 4 1 to 4
Read HR-1 MSV-01 nvoRunMode
Read the current mode of
the unit or system. The
defined options are:
1 Auto
2 Local standby
3 System standby
4 Manual drain
5 Test outputs
6 Test run
-- -- 1 to 6 1 to 6
Space_RH_set_point
Write HR-2 AV-05 nviSpaceRHsetPt Set or read the humidity
set point for the space
being humidified. % % 0 to 100 0 to 100
Read HR-2 AV-05 nvoSpaceRHsetPt % % 0 to 100 0 to 100
Space_dew_point_set_point
Write HR-3 AV-06 nviSpaceDewPtSP Set or read the dew point
set point for the space
being humidified. ºF ºC 20 to 80 -6 to 26
Read HR-3 AV-06 nvoSpaceDewPtSP ºF ºC 20 to 80 -6 to 26
Duct_high_limit_set_point
Write HR-4 AV-07 nviDuctHLsetPt
Set or read the duct high
limit set point.
% % 0 to 100 0 to 100
Read HR-4 AV-07 nvoDuctHLsetPt % % 0 to 100 0 to 100
Fieldbus_demand_mass Write Only HR-5 AV-08 nviFbusDemndMass
Set the steam output
(as demanded via the
fieldbus) as a percentage
of the humidifier’s total
capacity.
lbs/hr kg/h
0 to
100,000
0 to
100,000
Fieldbus_demand_% Write Only HR-6 AV-09 nviFldBusDemand%
Set the steam output (as
demanded via fieldbus)
in pounds or kilograms
per hour. If the request
exceeds the unit’s
capacity, the unit will run
at 100% capacity.
% % 0 to 100 0 to 100
PID_band RW HR-7 AV-10 nciPIDband Set the PID band. % % 0 to 50 0 to 50
PID-Kp RW HR-8 AV-11 nciPIDkp
Set the PID-Kp
(proportional gain)
factor.
-- -- 0 to 1000 0 to 1000
PID-Ki RW HR-9 AV-12 nciPIDki
Set the PID-Ki (integral
gain) factor.
-- -- 0 to 1000 0 to 1000
PID-Kd RW HR-10 AV-13 nciPIDkd
Set the PID-Kp
(derivative gain) factor.
-- -- 0 to 1000 0 to 1000
* See note 1 on Page 69.
** See note 2 on Page 69.
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