Yokogawa Models AFE20S AFE20D Field Control Unit
Yokogawa Models AFE20S AFE20D Field Control Unit Duplexed Field Control Unit (with Cabinet)
GENERAL
This GS covers the hardware requirements for the Field Control Unit (FCU), the intelligence of the Field
Control Station (FCS).
HARDWARE SPECIFICATIONS
For the installation specifications and the environmental conditions common to the systems, refer to “System Specifications (GS 33G01B10-01E).”
Processor:
VR5432 (133 MHz)
Main Memory Capacity
Standard Type (AFE20): 8 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
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)
100-120 V AC, 50/60 Hz
220-240 V AC, 50/60 Hz
24 V DC
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
250 kg (excluding nodes)
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: (/CH) A hole for cables, 300 (length) by 40 (width) mm is opened at the rear of the channel base (with filler plate at time of delivery).
Regulatory Compliance
For the detailed information of following standards, see “System Specifications (GS 33G01B10-01E).”
Safety Standards
[CSA] (for 100-120 V AC power supply)
[CE Mark] (for 220-240 V AC power supply)
EMC Conformity Standards
[CE Mark] (for 220-240 V AC power supply)
[C-Tick Mark] (for 220-240V AC power supply)
HARDWARE CONFIGURATION
Installation of NIU and IOU
The following devices can be stored in the Field Control Unit with Cabinet.
• Control processor
• Power Distribution Board (PDB)
The max. no. of NIU and IOU installable is as follows.
Node Interface Unit (NIU) : Six nodes per cabinet
Process I/O Unit (IOU) :
Front side of cabinet: Four units per node
Rear end of cabinet: Five units per node
Configuration example of nodes and installation positions within the cabinet.
STANDARD SOFTWARE
The following software license is supplied with the FCU. • AFE20S, AFE20D: SFE1100 Standard Control Functions
For SFE1100 specifications, refer to “FCS Field Control Station Standard Control Function Software (GS 33G03K20-01E).”
RELATED PRODUCTS
Model AKT211 Connection Kit for Cabinet
ORDERING INFORMATION
• Specify model and suffix codes.
• When ordering AFE separately from HP9000 Series, specify HP9000 Series ID number.
AFE20S AFE20S-H4114 AFE20S-H4124 AFE20S-H4144 AFE20S-H2114 AFE20S-H2124 AFE20S-H2144
AFE20D AFE20D-H4114 AFE20D-H4124 AFE20D-H4144 AFE20D-H4214 AFE20D-H4224 AFE20D-H4244
S9825VK T9070CB ACB2P
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