Yokogawa Foundation Fieldbus Communication Module ALF111-S50/F9S00
Installed in Node Unit for ESB Bus (ANB10S or ANB10D), Node Unit for ER Bus (ANR10S or ANR10D), Compact Field Control Unit (for FIO) (AFF50S or AFF50D) and Compact Field Control Unit (for Vnet/IP, for FIO) (AFV10S or AFV10D) when used.
Standard specifications:
Yokogawa Foundation Fieldbus Communication Module ALF111-S50/F9S00
An ALF111 works as the Link Active Scheduler (LAS) of FOUNDATION fieldbus (H1) and transfers data from/to field devices for FOUNDATION fieldbus.
Interfaces
FOUNDATION fieldbus (Low speed Voltage Mode)
4 ports (one port is connected to one segment)
Transmission Speed
31.25 kbps
Function
LAS (needs to be prepared a MTL5995 (fieldbus power supply)).
Specifications for Fieldbus Device Connections
See General Specifications - Model LFS2610, Foundation Fieldbus Communication Package (for ALF111), GS 33Q03L60-31E.
Current consumption
0.5 A or less
Withstanding Voltage
Field-to-system: 1500 V AC for 1 minute
Bus Connections (external connections)
Yokogawa Foundation Fieldbus Communication Module ALF111-S50/F9S00
Can be chosen from the followings:
• Pressure clamp terminals (removable terminal block with built-in terminators that can be switched on/off)
• Connecting to a terminal board using AKB336 (the YCB138 terminators are mounted on the terminal board).
Installation
To be installed in an ANB10S, ANB10D, ANR10S, ANR10D, AFF50S, AFF50D, AFV10S or AFV10D nest.
Weight
0.4 kg
Installation Restrictions
Yokogawa Foundation Fieldbus Communication Module ALF111-S50/F9S00
Number of ALF111s per FCS:
Standard Field Control Station : Max. 16 (*1) (8 pairs for a dual-redundant configuration) / FCS (*2)
Enhanced Field Control Station : Max. 32 (*3) (16 pairs for a dual-redundant configuration) / FCS (*4)
Compact Field Control Unit : Max. 30 (15 pairs for a dual-redundant configuration) / FCS (*5)
Compact Field Control Unit (for Vnet/IP, for FIO) : Max. 32 (16 pairs for a dual-redundant configuration) / FCS (*6)
Number of ALF111s per system of EB401: Max. 8 / remote system (*7)
Number of ALF111s per node: Max. 8 / node
*1: The maximum number of ALF111 may be two depending on the database type selected as the FCS database. For details,refer to GS, “Control Function for Standard Field Control Station (for FIO)” (GS 33M15C30-40E).
*2: AFS30S, AFS30D, AFS40S, AFS40D
*3: The maximum number of ALF111 may be 16 depending on the database type selected as the FCS database. For details,refer to GS, “Control Function for Enhanced Field Control Station (for FIO)” (GS 33M15C40-40E).
*4: AFG30S, AFG30D, AFG40S, AFG40D, AFG81S, AFG81D, AFG82S, AFG82D, AFG83S, AFG83D, AFG84S,AFG84D
*5: AFF50S, AFF50D
*6: AFV10S, AFV10D
*7: Number of ALE111, ALR111, ALR121, ALF111 and ALP111 : Max. 8 / remote system
Models and Suffix Codes
Yokogawa Foundation Fieldbus Communication Module ALF111-S50/F9S00
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Description
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Model
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ALF111
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Foundation Fieldbus communication module
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Suffix codes
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-S
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Standard Type
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5
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With no explosion protection
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E
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With explosion protection
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0
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Basic type
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1
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with ISA Standard G3 option
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Option code
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/F9S00
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With pressure clamp terminal block for Fieldbus [Model: ATF9S-00]
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