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