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SPD series intelligent distribution device
Overview: The intelligent power distributor provides a power circuit for primary instruments such as sensors that require power supply, and can measur
Product details
◆ Overview
The intelligent power distributor provides a power circuit for primary instruments such as sensors that require power supply, and can measure various output signals of the primary instruments on the same line. After being processed by the instruments, it outputs isolated single, double, triple, and up to four linear current or voltage signals. Provide electrical isolation between input, output, and power supply.
◆ Characteristics
Provided hardware and software suppression and processing for high and low frequency interference signals in the input signal.
Can maintain reliable performance in high-power variable frequency control systems.
Without the need for external zero and full potentiometer, the signal can be digitally/automatically/manually calibrated. Simultaneously perform automatic compensation on the input signal.
By connecting with communication and intelligent operators, input and output values can be observed online.
It can be used in conjunction with unit combination instruments, DCS, PLC and other systems, and can be widely applied in various complex industrial control environments such as oil fields, petrochemicals, power, manufacturing, metallurgy, etc.
◆ Panel display
Five core communication interface
Used for communication connection between dedicated data cables and intelligent operators
PowerPower status indicator light (continuously on when powered on)
Communication status indicator light (communication flashing)
Fault status indicator light (flashing fault)
ALM1When the first alarm is triggered and the alarm conditions are met, the indicator light will remain on for a long time
ALM2When the second alarm is triggered and the alarm conditions are met, the indicator light will remain on for a long time
When the input and output signals are in a fault state, the indicator light flashes.
Main technical indicators
System accuracy: ± 0.2% × F · S/℃
Temperature drift: ≤ 0.0015% F · S/℃
Working temperature: Industrial standard -10~+55 ℃
Input impedance: Power supply: 100 Ω; Voltage: 500K Ω
Allowable external load impedance for current output: ≤ 500 Ω when outputting 4-20mA; When the output is 0-10mA, it is ≤ 1K Ω. If a larger load is required, please provide additional instructions.
Internal impedance during voltage output: 250 Ω± 1K Ω
Input/output/power/communication/dual circuit insulation strength: ≥ 2500V.ac
Storage and transportation environment temperature: -40 to+80 ℃
Power supply: AC 85V~260V
DC: DC 18V~36V (reverse protection)
Communication interface: RS232 or RS485
Dimensions: Width x Height x Depth (mm): 22.5 x 100 x 115
Net weight: 170-220g
◆ Selection method
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Type spectrum
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Remarks
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JD-SPD
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Intelligent distributor
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input circuit
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R1
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single-input
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R2
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two-input
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The first input
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S1
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4～20mA
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S2
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1~5V
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S3
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0～10mA
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S4
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0~5V
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Second input
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D1
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4～20mA
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D2
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1~5V
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D3
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0～10mA
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D4
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0~5V
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The first input
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CS1
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4～20mA
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CS2
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1~5V
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CS3
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0～10mA
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CS4
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0~5V
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Second input
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CD1
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4～20mA
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CD2
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1~5V
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CD3
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0～10mA
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CD4
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0~5V
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Third input
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CT1
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4～20mA
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CT2
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1~5V
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CT3
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0～10mA
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CT4
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0~5V
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Power supply mode
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D
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DC 24V
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Default AC 220V
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Online inquiry
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