AO5021AL detection terminal proximity switch input isolated safety barrier relay (one in one out, one in two out)
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- Technical specifications
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- AO5021AL detection terminal proximity switch input isolated safety barrier relay (one in one out, one in two out)
◆ Performance Overview
The NAMUR proximity switch signal in the hazardous area is isolated and converted to output to the safe area. The output method is relay output, and reverse phase selection can also be performed.The input terminal, output terminal, and power supply terminal are isolated from each other, and have the function of detecting line faults.
◆ Panel indicator light
CH1, CH2: Output signal status indicator light (red and yellow dual color). When the signal is disconnected or short circuited, the indicator light of the corresponding channel displays in red; When the output circuit is closed, the corresponding channel indicator light displays yellow.
◆ Usage environment
Working environment temperature: -20 ℃ to+60 ℃
Allowable relative humidity at work: 10% RH to 90% RH (40 ℃)
Allowable atmospheric pressure during work: 80kPa~106kPa
Allowable ambient temperature during storage and transportation: -40 ℃ to+80 ℃
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◆ Technical parameters
Explosion proof grade: [Exia] IIC
Dangerous area allows input signal: dry contact
Line fault detection function (LFD): If the input current is less than 50 μ A, it is judged as input disconnection
Input current>6mA, judged as input short circuit
Output signal to safe zone: relay contact
Relay contact capacity (resistive load): 125V AC, 0.5A; 24V DC、1A
Relay action time:<20ms
Input and output are reversed control settings: K1 and K3 are set to the ON side, and the input and output of the corresponding channel are reversed.
K1 and K3 are set as side 1, and the input and output of the corresponding channels on side 3 are in phase.
K2 and K4 are set to the ON side without LFD function.
K2 and K4 are set to 2 sides, with LFD indicator function on 4 sides.
Switch lifespan: over 100000 cycles
Switching frequency:<10Hz
Dielectric strength: ≥ 2500V AC (between input/output/power supply, leakage current 1mA, testing time 1min)
Insulation resistance: ≥ 100M Ω (between input/output/power supply)
Electromagnetic compatibility: EMC complies with IEC61000-4
Certification parameters of National Quality Supervision and Inspection Center for Instrumentation and Electrical Products (CQST): Um=250V AC/DC
Between 10 terminals, between 11 and 12 terminals: Uo=10.5V, Io=13mA, Po=34mW
ⅡC ⅡB ⅡA
Co 1.6μF 11.7μF 52.5μF
Lo 147mH 441mH 1000mH
Power supply: DC 18V~32V (typical value 24V DC)
Power consumption: 24V DC power supply, two relay outputs of 1.0W
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