Yokogawa Duplexed Field Control Unit AFS20D-H4123
Hardware Specifications
Yokogawa Duplexed Field Control Unit AFS20D-H4123
For the installation specifications and the environmental conditions common to the systems, refer to “System Overview (GS 33K01A20-50E).”
Processor
VR5432 (133 MHz)
Main Memory Capacity
AFS20S, AFS20D: 16 Mbyte
AFG20S, AFG20D: 32 Mbyte
Memory Protection During Power Failure
Battery
Battery Back-up for Main Memory: Max. 72 hours
Battery Recharge Time: Min. 48 hours
FCU Status Contact Output
Yokogawa Duplexed Field Control Unit AFS20D-H4123
Three terminals (NC, NO, C)
Contact Points open or closed during FCU failure
Contact Rating:
Rated voltage: 250 V AC, max. 30 V DC
Rated current: Max. 2 A
Rated power supply: Max. 125 VA
Communication Interface
V net interface: Dual-redundant
RIO bus interface: Dual-redundant or single
No. of Nodes Connectable
Max. 8 Nodes
Power Supply
(specify with Suffix Codes)
Voltage: 100-120 V AC, Frequency: 50/60 Hz
Voltage: 220-240 V AC, Frequency: 50/60 Hz
Voltage: 24 V DC
Electric Power Consumption
100-120 V AC: 1700 VA (at max. node installation)
220-240 V AC: 2000 VA (at max. node installation)
24 V DC: 50 A (at max. node installation)
Weight
Approx. 250 kg (excluding nodes)
Approx. 400 kg (at maximum node installation)
Connection
Power Supply: M6 screw terminal connection (dual power system possible)
Grounding: M8 bolt terminal connection
Contact Output: M4 screw terminal connection
Paint Color
Main body: Frosty white (Munsell No. 2.5 Y 8.4/1.2)
Channel base: Spring black (Munsell No.3.3PB2.5/0.5)
Channel Base Option Specification
Channel base with hole for cable: (Option Code:/CH)
A hole for cables, 300 (length) by 40 mm (width) is opened at the rear of the channel base (with filler plate at time of delivery).
IP Protection Rating
IP20
Regulatory Compliance
Yokogawa Duplexed Field Control Unit AFS20D-H4123
For the detailed information of following standards, see Integrated Production Control System CENTUM VP System Overview (GS 33K01A20-50E)
Safety Standards
[CSA] (for 100-120 V AC power supply)
[CE Marking] (for 220-240 V AC power supply)
EMC Conformity Standards
[CE Marking] (for 220-240 V AC and 24 V DC power supply)
[C-Tick Marking] (for 220-240 V AC and 24 V DC power supply)
External Dimensions
Yokogawa Duplexed Field Control Unit AFS20D-H4123
Model and Suffix Codes
Yokogawa Duplexed Field Control Unit AFS20D-H4123
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Description
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Model
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AFS20D
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Duplexed Field Control Unit (for Vnet and RIO, with Cabinet)
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Suffix Codes
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-H
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Standard Type (Main Memory 16 Mbyte )
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4
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Dual-Redundant V net, Dual-Redundant RIO bus
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1
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Single AC Power System
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2
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Dual AC Power System
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1
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100-120 V AC Power Supply
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2
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220-240 V AC Power Supply
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4
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24 V DC Power Supply
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3
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LFS1100 Basic software license for Control Function for Standard Field Control Station (for V net and RIO, for CP345)
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Option Codes
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/ -NDF4
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Node Interface Unit for Dual-Redundant RIO bus, Dual Power Supply Attached to Front Side of FCU(*2)
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/ -NDR4
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Node Interface Unit for Dual-Redundant RIO bus, Dual Power Supply Attached to Rear Side of FCU(*2)
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/CH
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Channel Base with cable hole (*1)
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/CE
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With CE Marking and C-Tick Marking and KC Marking (*3)
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*1: AFS20D with this option code (/CH) does not have CE Marking, C-Tick Marking or KC Marking.
*2: Fill the installation quantity in the . Total no. installable is 6.
/ -NDF4 (Attached to front side of FCU). Total no. installable is 3.
/ -NDR4 (Attached to rear side of FCU). Total no. installable is 3.
*3: Change to conductive gasket.
