Current/Voltage I/O Modules (Non-Isolated)
These modules Yokogawa Analog I/O Module AAI841-H50 provide eight inputs and eight outputs to support up to eight loops.
They Yokogawa Analog I/O Module AAI841-H50 can be used in dual redundant configuration.
Yokogawa Analog I/O Module AAI841-H50
Standard specifications:
Items
Specifications
Model
AAI841 (*1)
AAB841 (*5)
AAB842(*5)(*6)(*7)
Number of I/O channels
8-channel input/8-channel output, non-isolated
8-channel input/8-channel output, non-isolated(differential input)
8-channel input/8-channel output (differential input at voltage input)
I/O signal
Input: 4 to 20 mA
Output: 4 to 20 mA
Input: 1 to 5 V(allowable common mode voltage ±1 V or more)
Input(*8) Voltage input: 1 to 5 V DC (allowable common mode voltage ± 1 V or less), Current input: 4 to 20 mA DC
Output: 4 to 20 mA DC
Allowable input current/voltage
25 mA
—
±7.5 V
Withstanding voltage
Input resistance
Power ON
400 Ω (at 20 mA) to 1000 Ω (at 4 mA) (*2)
1 MΩ or more
Power OFF
500 kΩ or more
340 kΩ or more
Allowable load resistance
0 to 750 Ω (*3)
0 to 750 Ω
0 to 750 Ω (*4)
Circuit-open detection
Less than 0.65 mA
Accuracy
Input: ±16 μA
output: ±48 μA
Input: ±4 mV
±48 μA
Data update period
10 ms
Input step response time
100 ms
Output step response time
40 ms
Transmitter power supply
14.8 V or more (at 20 mA) 26.4 V or less (at 0 mA) (*4)
Setting of 2-wire or 4-wire transmitter
For each channel by setting pin
Temperature drift
±0.1 %/10 °C
Maximum current consumption
310 mA (5 V DC), 500 mA (24 V DC)
310 mA (5 V DC), 250 mA (24 V DC)
410 mA (5 V DC), 290 mA (24 V DC)
Weight
0.3 kg
External connection
Pressure clamp terminal, KS cable, MIL connector cable
KS Cable
HART communication (*5)
Available
Available (at Current input and output)
Models and Suffix Codes:
Description
AAI841
Analog I/O Module(4 to 20 mA input , 4 to 20 mA output, 8-channel input/8-channel output, Non-Isolated)
Suffix Codes
-S
Standard type
-H
With digital communication (HART protocol)
5
With no explosion protection
E
With explosion protection
0
Basic type
3
With ISA Standard G3 option and temperature (-20 to 70 °C) option
Option Codes
/K4A00
With KS Cable Interface Adapter [Model : ATK4A-00]
/A4S00
With Pressure Clamp Terminal Block for Analog [Model : ATA4S-00]
/A4S10
With Pressure Clamp Terminal Block for Analog (surge absorber) [Model : ATA4S-10]
/A4D00
With Dual Pressure Clamp Terminal Block for Analog [Model : ATA4D-00]
/A4D10
With Dual Pressure Clamp Terminal Block for Analog (surge absorber) [Model : ATA4D-10]
/CCC01
With Connector Cover for MIL Cable [Model : ACCC01]
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