1. General Introduction
AAI841 Analog input output Module is a 8 channels no-isolated Analog I/O Module can be installed on Field Control Unit or ESB bus node unit for 4 to 20mA Current Input signals from field instrument; also output signals from Field Control Unit to field control devices.
When connect to terminal board AEA4D, four pieces AAI841 can be connected to one terminal board as AEA14 is 2*16 channels.
2. Standard Specification
Main Characters | Description |
Number of input channels | 8-channel input/8-channel output, non-isolated |
Input & Output signal | 4 to 20 mA |
Allowable input current | 25 mA |
Accuracy | Input: ±16 μA, output: ±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 higher (at 20 mA), 26.4 V or less (at 0 mA) |
Setting of 2-wire or 4-wire transmitter | For each channel by setting pin |
Temperature drift | ±0.1 % per 10 °C |
Maximum current consumption | 310 mA (5 V DC), 500 mA (24 V DC) |
External connection | Pressure clamp terminal, MIL connector cable, dedicated cable (KS1) |
HART communication | Available |
3. Model Selection of AAI841 Analog input output Module
Model | 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) | ||||
-S | Standard type | ||||
-H | With digital communication (HART protocol) | ||||
5 | Standard type with no explosion protection | ||||
E | Standard type with explosion protection | ||||
0 | Basic type | ||||
3 | With ISA Standard G3 option and temperature (-20 to 70 °C) option | ||||
Option Code | /K4A00 | With KS Cable Interface Adapter (For connecting AEA4D Terminal Board) [Model: ATK4A-00] | |||
/A4S00 | With Pressure Clamp Terminal Block [Model: ATA4S-00] | ||||
/A4S10 | With Pressure Clamp Terminal Block (surge absorber) [Model: ATA4S-10] | ||||
/A4D00 | With Dual Pressure Clamp Terminal Block [Model: ATA4D-00] | ||||
/A4D10 | With Dual Pressure Clamp Terminal Block (surge absorber) [Model: ATA4D-10] | ||||
/CCC01 | With Connector Cover for MIL Cable [Model: ACCC01] |
4.Typical Order Codes
Typical order codes | Remarks |
AAI841-S50 | Standard type |
AAI841-S53 | Standard type with ISA G3 and wide temperature (-20 to 70 °C) |
AAI841-H50 | Hart type |
AAI841-H53 | Hart type with ISA G3 and wide temperature (-20 to 70 °C) |
AAI841-S50/K4A00 | Standard type with ATK4A terminal block |
AAI841-S53/K4A00 | Standard type with ISA G3 and wide temperature (-20 to 70 °C) with terminal block |
AAI841-H50/K4A00 | Hart type with ATK4A terminal block |
AAI841-H53/K4A00 | Hart type with ISA G3 and wied temperature (-20 to 70 °C) with terminal block |
5. Dual-redundant System Configuration
6. External Dimension
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