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U1660 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - LON-Add-On Component Meter Reading Module - GOSSEN METRAWATT

भाग संख्या U1660
समारोह LON-Add-On Component Meter Reading Module
मैन्युफैक्चरर्स GOSSEN METRAWATT 
लोगो GOSSEN METRAWATT लोगो 
पूर्व दर्शन
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<?=U1660?> डेटा पत्रक पीडीएफ

U1660 pdf
U1660 LON-Add-On Component
Meter Reading Module
Inputs
8 ea. S0 pulse
per DIN 43864
The active inputs supply the power
required for operation. The + terminals
of the SO inputs S01+ ... S08+ are con-
nected with each other.
Additional Information:
• nvoAllInState supplies the state of all 8 S0 inputs. This has no
effect on the energy and power measuring functions. Each
input is equivalent to one bit:
S0 Input
Bit
87654321
87654321
LON Interface
Chip
Protocol
Technology
Transmission via
Transmission Speed
3150 neuron chip
LONTALK® Protocol
LONWORKS® FTT-10A
(Free Topology Transceiver)
twisted pair (twisted 2-wire link)
78 kBit/s
LON Network Variables
Number Name
SNVT
Range
Function
0
nviRequest
SNVT_obj_request
1
nvoStatus
SNVT_obj_status
2 nvoNodeType SNVT_str_asc 20 characters Device type (U1660)
3 nciDeviceLabel SNVT_str_ascii 31 characters Device ID
4 ... 11 nvoEnergy[8]; SNVT_elec_whr_f 0 ... 1E38 Wh Meter reading
in Wh (floating)
12 ... 19 nvoPower[8]; SNVT_power_f 0 ... 1E38 W Instantaneous power
in W (floating)
20 ... 27 nciPulseRate[8] SNVT_count_f
0,01 ... 1E38 Meter constant
/ kWh
in 1 / kWh (floating)
28 ... 35 nvoEnergyPower NonSNVT, 10 Byte,
for U1601
Number of pulses
(long),
Pmom in W (floating),
Reserve (uint)
36 ... 43 nvoInputState[8] SNVT_switch
State of binary
inputs
44 nvoAlllnState NonSNVT, 1 Byte,
für U1601
State of binary
inputs
Cut-off day function:
Receipt of a time stamp acvtivates storage to memory of the current meter readings
45
nviSetTime
SNVT_time_stamp
Input for time stamp
46 nvoTimeStamp SNVT_time_stamp
Time stamp for meter
readings
47... 54 nvoEnergyP[8] SNVT_elec_whr_f 0... 1E38 Wh Meter reading in Wh
(floating)
Löschen der Zählerstände:
55
nviEnergyClear SNVT_lev_disc 0 ( OFF )
Delete nvoEnergy and
nvoEnergyPower
Example: nvoAllInState = 3
means: input 1 and input 2 are ON (current flow), all other
inputs are OFF.
• Owing to the operating system of the neuron chip, the power
values of small pulse distances are subject to heavy scatter-
ing.
• Use of U1660 without summator:
The energy of the network variable nvoEnergy is calculated by
means of float arithmetics with simple accuracy.
The resolution of the float numbers decreases with increasing
value.
The greater the value, the greater the error resulting from the
addition of an energy delta. The evaluating application must
take this feature into account and ensure that the meter read-
ings are deleted (nviEnergyClear).
Alternatively, the network variable nvoEnergyPower (number
of pulses) can be used. It is not an SNVT.
Example:
Value
Resolution
1 0,00000012
8 0,00000095
128 0,000015
2.048 0,00024
32.768 0,0039
524.288 0,063
8.388.608 1,00
• Use of U1660 with the U1601, U1602 or U1603 summators:
The float arithmetic problems do not arise here because the
number of pulses is transmitted as integer number
(nvoEnergyPower).
Power Supply
Operating Voltage
Closed-Circuit Current
Operating Current
(at 100% load)
24 V DC
85 mA
290 mA
2 GOSSEN METRAWATT GMBH

विन्यास 4 पेज
डाउनलोड[ U1660 Datasheet.PDF ]


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