Manufacturer: Yokogawa Electric Corporation
Yokogawa Analog Input Module AAI143-S50
STANDARD SPECIFICATIONS
Current Input Modules (Isolated)
This module inputs 4 to 20 mA.
It can be used in dual redundant configuration.
Yokogawa Analog Input Module AAI143-S50
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Items
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Specifications
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Model
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AAI143 (*1)
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Number of input channels
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16, isolated
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Input signal
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4 to 20 mA
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Allowable input current
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24 mA
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Withstanding voltage
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Between input and system: 1500 V AC For 1
minute (*4)
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Input resistance
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Power ON
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270 Ω (20 mA) to 350 Ω (4 mA) (*2)
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Power OFF
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500 kΩ or more
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Accuracy
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±16 μA
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Data update period
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10 ms
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Transmitter power supply
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19.0 V or more (at 20 mA) 25.5 V or less (at 0
mA) (output current limit: 25 mA) (*5)
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Setting of 2-wire or 4-wire transmitter
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For each channel by setting pin
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Drift due to ambient temperature change
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±16 μA/10?C
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Maximum current consumption
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230 mA (5 V DC) , 540 mA (24 V DC)
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Weight
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0.3 kg
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External communication
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Pressure clamp terminal, MIL connector cable, Dedicated
cable (KS1)
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HART communication (*3)
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Available
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*1: This module Yokogawa Analog Input Module AAI143-S50 does not allow a Zener barrier to
be connected. If the module is to be used in intrinsically safe applications,
use an isolation barrier.
*2: Viewed from the terminals, module input
resistance is, depending on the current flowing:
250 Ω +（ voltage drop (0.4 V maximum) in the input
protection circuit）/（current value）
*3: When installing the module Yokogawa Analog Input Module AAI143-S50 with HART function
to a remote node, the firmware of EB401 must be Rev 2 or later.For HART
function specifications, refer to “HART Communication Package (for A□I□□□-H) (GS 33Q03L70-31E).”
*4: The withstanding voltage for using the
dedicated cable is 500 V AC (between the input signal and the system).The
withstanding voltage for using MIL connector cable depends on the electrical
specifications of its cable.
*5: This voltage is developed between connecting
terminals for this Yokogawa Analog Input Module AAI143-S50 module’s 2-wire transmitter. When calculating if transmitter
minimum operating voltage requirement will be satisfied, remember to allow for
voltage drop in external wiring.
MODELS AND SUFFIX CODES
Yokogawa Analog Input Module AAI143-S50
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Description
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Model
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AAI143
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Analog
Input Module (4 to 20 mA, 16-channel, Isolated)
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Suffix Codes
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-S
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Standard
type
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-H
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With
digital communication (HART protocol)
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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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3
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With
ISA Standard G3 option and temperature (-20 to 70 °C) option
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Option Codes
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/K4A00
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With
KS Cable Interface Adapter (For connecting AEA4D Terminal Board) [Model:
ATK4A-00]
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/A4S00
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With
Pressure Clamp Terminal Block [Model: ATA4S-00]
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/A4S10
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With
Pressure Clamp Terminal Block (surge absorber) [Model: ATA4S-10]
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/A4D00
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With
Dual Pressure Clamp Terminal Block [Model: ATA4D-00]
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/A4D10
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With
Dual Pressure Clamp Terminal Block (surge absorber) [Model: ATA4D-10]
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/CCC01
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With
Connector Cover for MIL Cable [Model: ACCC01]
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