The Yokogawa AAM11 is a Signal Conditioner / Isolator Module belonging to the UTAdvanced series (also known as the UT55A series). It is specifically designed as a current-to-current isolator and converter with alarm functionality.
Key Parameters / Specifications
Parameter Description
Manufacturer Yokogawa Electric Corporation
Model Number AAM11 (Common full model: UT55A-AAM11, with suffixes for variants)
Product Line UTAdvanced / UT55A Series
Type Signal Conditioner, Isolator, with Alarm Function
Input Signal 4 to 20 mA DC
Output Signal 4 to 20 mA DC (Isolated)
Alarm Function 2 independent alarms (High/Low or other modes). Relay output contacts for each alarm.
Alarm Setpoint Accuracy ±0.2% of span (typical)
Isolation 3-way Isolation between Input, Output, and Power Supply
Power Supply 20 - 260 V DC, 90 - 260 V AC (47 - 63 Hz)
Accuracy (Conversion) ±0.1% of span (typical)
Load Resistance Output Load: 0 - 550 Ω (at 24V DC power supply)
Response Time < 150 ms
Operating Temperature -20 to +65 °C
Mounting Plug-in module for UT55A or UTAdvanced base units