Yokogawa Analog Output Module Aai543
Yokogawa Analog Output Module AAI543
STANDARD SPECIFICATIONS of AAI543
Current/Voltage Input Modules (Non-Isolated)
These modules provide 16 inputs of mainly 4 to 20 mA DC or 1 to 5 V DC standardized signals from 2-wire/4-wire transmitters.
They can be used in dual-redundant configuration.
Current Output Module (Isolated)
AAI543 provides 16 outputs of 4 – 20 mA signal. It can be used in dual-redundant configuration. (*1)
Number of output channels 16, isolated, standard switch-over
response in redundant configuration (*3)
Output signal 4 to 20 mA
Withstanding voltage Between output and system: 1500 V AC, for 1 minute (4)
Allowable load resistance 0 to 750 Ω
Circuit-open detection Less than 0.65 mA
Accuracy ±48 μA
Data update period 10 ms
Drift due to ambient temperature change ±16 μA/10 C
Maximum current consumption 230 mA (5 V DC), 540 mA (24 V DC)
Weight 0.4 kg
External communication Pressure clamp terminal, MIL connector Cable, dedicated cable (KS1)
HART communication (5) Available
*1: A dual-redundant configuration is enabled by using two identical modules with the same suffix codes.
*2: When AAI543 is installed in a ER bus node unit, use it in the ambient temperature within 0 to 60 ºC range.
*3: When a switch over from control to stand-by module takes place in the dual-redundant configuration, the maximum period
of time when the field output falls below 4 mA is 100 ms for AAI543-0 (standard switch-over response) and 2 ms for
AAI543-1(fast switch-over response). In case of connecting fast response type field devices, use AAI543-1 (fast
switch-over response) in the dual-redundant configuration.
*4: When the dedicated cable is used, the withstanding voltage is 500 V AC (between the input signal and the system). When
the ML connector cable is used, the withstanding voltage depends on the electrical specifications of the cable.
*5: When this module is installed in a ER bus node unit with HART function, the EB401 firmware must be rev. 2 or later.
- Packing: ORIGINAL PACKING
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