AutomationDirect’s SOLO is a single loop dual output temperature controller that can control both heating and
cooling simultaneously. There are four types of control modes: PID, ON/OFF, Manual, and Ramp / Soak control.
Depending upon the particular model of controller, the available outputs include relay, voltage pulse, current, and
linear voltage. There are up to three alarm outputs available to allow seventeen alarm types in the initial setting
mode. SOLO can accept various types of thermocouple, RTD, or analog inputs, and has a built in RS-485 inter-
face using Modbus slave (ASCII or RTU) communication protocol.
Other features include:
• 1/16 DIN panel size
• 2 line x 4 character 7-segment LED display for Process Value (PV): Red color, and Set Point (SV): Green color
• Auto Tuning (AT) function with PID control
• Selectable between °C and °F for thermocouple or RTD inputs
• 0 to 50 °C (32 to 122 °F) operating temperature range
• UL, CUL and CE agency approvals
General Description
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