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The GE-Emerson IC200ALG620 Versamax Analog Input Module has a user input to logic (optical) and to frame ground of 250VAC continuous, 1,500VAC for one minute. The excitation current for the RTDs is provided by the module, which automatically matches the excitation current to each configured RTD type. The module accepts inputs from platinum, nickel, nickel/iron or copper RTDs. Diagnostics include open RTD, input short, underrange, overrange, non-volatile memory shortage fault, wiring fault and high/low alarm.
The RTD module provides four words of analog input data. The green FLD PWR LED indicates the presence of both backplane power and field power for the analog field-side circuits. The OK LED indicates module status.
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