GENERAL
The Optical ESB Bus Repeater Module converts ESB Bus signals, facilitating communication between the safety control unit, safety node unit, and N-IO node, into optical signals. It extends the ESB Bus transmission distance by connecting the Optical ESB Bus Repeater Master Module (SNT411) and Optical ESB Bus Repeater Slave Module (SNT511) with an optical fiber cable. This extension allows for transmission distances of up to 50 km.
STANDARD SPECIFICATIONS:
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Function: ESB Bus optical transport function (Vnet/IP only)
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Connection Method: Star type connection, Chain type connection (Available for both star and chain type connection)
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Number of Connecting Stages: Maximum two
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Transmission Distance: 5 km to 50 km (total two stages)
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Optical Power Attenuation: 3-4 dB attenuation between SNT411 and SNT511, S2EN501 and SNT511, or SNT411 and S2EN501. If the optical attenuation by the optical fiber cable is less than 3 dB, an attenuator should be used to reduce the attenuation by 3 dB.
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Current Consumption: 0.5 A
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Weight: Approx. 0.3 kg
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