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Electrical Transducers
LP-Series Electrical Transducers
General Specifications
Conforming with IEC 60688
LP-Series General Specifications.
InputsCurrent: 1A, 5A
Voltage: All ac systems voltages to 440
Frequency: 50Hz, 60Hz (400Hz on request)
Analogue OutputLoad independent dc current or voltage signal
: 0 to 10mA dc <1500Ω load
: -10 to 0 to +10mA dc <1500Ω load
: 0 to 20mA dc <750Ω load
: 4 to 20mA dc <750Ω load
: 0 to +5V dc >2kΩ load
: -5 to 0 to +5V dc >2kΩ load
: 0 to +10V dc >2kΩ load
: -10 to 0 to +10V dc >2kΩ load
Response time: <250msecs (0 - 99%) at full output
Ripple: <1% peak to peak (of full output span)
Load influence: <0.25% of full span for specific load range
Digital OutputRS-485 standard up to 32 stations on a twisted pair cable
Protocol: MODBUS® RTU
Address: Node addressing 1 to 32(others on request)
Format: Baud rate 9600 or 19200 8 bit no parity
Data register: Unsigned 16 bit or signed 15 bit at location 40001
Parity: None
Range: 1200m
AccuracyClass: 0.5 (0.5% of full output span)
Range: 0 to 120%
: 20 to 120% (LP-VS, LP-VSX3)
Drift: <±0.5% over the range 0°C to +60°C
: 0.1% per annum non cumulative
Improved accuracy transducers manufactured to special order
Auxiliary Supply: 24V, 110V, 230V/240V ac ±20% 1.5VA
: 24V, 48V, 110V dc ±20% 2W
OverloadCurrent input: 2 x nominal continuous
: 20 x nominal for 3 seconds
Voltage input: 1.2 x nominal continuous
: 1.5 x nominal for 10 seconds
S/C output: continuous
O/C output: continuous, V O/C <30V
Max. output: 2 x nominal output
isolationGalvanic isolation between inputs, output and auxiliary supply
Test voltage: 4kV 50Hz ac for 1 minute
Impulse: 5kV 1.2/50µsec waveform
TemperatureOperating: 0°C to +23°C to +60°C
Operating: -25°C to +70°C long term
Storage: -55°C to +85°C short term
EMC Compliance: AS/NZS 61000.6.3:2012
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Carrel Electrade Limited
Proudly 100% New Zealand owned and operated.