ALF111-S00 S1
This document describes about Model ALF111 Foundation fieldbus Communication Module (for N-IO/FIO) which is to establish communication between field control stations (FCS) and fieldbus devices compliant to the Foundation fieldbus (H1) such as transmitters and valve positioners.This Foundation fieldbus communication module can be mounted on the field control units
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Item
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Specifications
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Model
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ALF111
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Interface
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FOUNDATION Fieldbus (Low Voltage Mode)
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4 Ports (1 Segment per Port *1)
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Transmission Speed
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31.25 kbps
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Withstanding Voltage
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From field to system: 1500 V AC for 1 minute
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Between primary and secondary sides, and between channels: 1500 V AC for 1 minute
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Bus Connection (External)
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• Spring-clamp terminal (removable terminal block with built-in sensing terminals, can be opened/closed)
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• Connects to terminal board via dedicated cable
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Installation Method
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Mountable on ANB10, ANB11, AFV30, AFV40, A2FV50, or A2FV70
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*Control I/O Channels (2)
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Up to 48 points per segment
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(Supports up to 6 I/O points designated as high-speed scanning type, compatible with high-speed and medium-speed scan cycles)
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No. of Fieldbus Devices
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Up to 32 units per segment (*3) (ALF111 counts as one unit *4)
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Communication Features
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LAS function, Clock Master functionality
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3D (Dual Redundancy)
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Two ALF111 units can be installed in additional slots within the same node unit
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Power Consumption
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0.5 A or less
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Weight
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Approximately 0.40 kg
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