User Manual

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Siemens Building Technologies SED2 LON Module Operating Instructions CE1B5193en
HVAC Products 2 LON module overview 26.06.2006
2.7 Standard Configuration Property Type (SCPTs)
The following SCPTs are network configuration property inputs (nci).
Index and
mandatory
(M) or
optional (O)
Configuration
property
Language-
dependent name
Network
Variable
(nvi, nvo)
Units of
measurement
Description SED2
Parameter
nc37 (O) nciLocation
Location
Entire
Object
Location label; used to provide
physical location of the node;
not passed to motor drive
nc38 (M) nciNmlFreq
nomFreq
Entire
Object
Hz Nominal motor frequency P0310
nc39 (M) nciRampUpTm
rampUpTm
Entire
Object
s Minimum ramp up time P1120
nc40 (M) nciRampDownTm
rampDownTm
Entire
Object
s Minimum ramp down time P1121
nc41 (M) nciMaxSpeed
maxSetpoint
Entire
Object
Percent
(0 to 100 %)
Maximum motor speed P1082
nc42 (M) nciMinSpeed
minSetpoint
Entire
Object
Percent
(0 to 100 %)
Minimum motor speed.
nciMinSpeed is a protected
and read only parameter.
It is calculated as follows:
nciMinSpeed =
∗nciNmlFreq
nciMinFreq
P1080
nc43 (O) nciMinOutTm
minSendTime
nv3
nv5
nv6
nv7
nv8
nv30
s Minimum send time.
The amount of time that must
pass before the value of a
network variable is fed to the
LONTalk network
nc44 (M) nciRcvHrtBt
maxRcvTime
nv2
nv4
s Receive heartbeat time; the
amount of time that must pass
before an incoming value is
considered not valid.
Affected input variables are
set to a predefined value when
there is no NV update
∇
nc45 (M) nciSndHrtBt
maxSendTime
nv3
nv5
nv6
nv7
s Send heartbeat time; the
minimum amount of time that
must elapse before a network
variable’s value can be propa-
gated to the LONTalk network
nc46 (O) nciDrvSpeedScale
defScale
nv4 Percent
(0 to 100%)
Default value for
nviDrvSpeedScale
P2000
nc47 (M) nciNmlSpeed
nomRPM
Entire
Object
r.p.m. Nominal motor speed;
read only
P0311
∗
If nciNmlFreq is changed, nciMinSpeed will automatically assume a new value according to the
formula.
∇
nci basic configurations are adopted by the SED2 on initialization.