SL4848-RR | SOLO 1/16 DIN Temperature Controller Dual Relay RS-485

Automation Direct · PLCs & Industrial Controllers

Description  The SOLO SL4848-RR is a 1/16 DIN standard temperature controller designed for single-loop process control applications. It accepts universal inputs including thermocouple, RTD, current, and voltage signals, and provides dual control and alarm relay outputs. Operating on 100–240 VAC, it supports PID, ON/OFF, ramp/soak, and manual control modes with integrated RS-485 communication.     Technical Specifications  Condition New/Never Used Surplus Brand SOLO Category Controls & Indicators Part Number SL4848-RR Subcategory Temperature/Process Control Mounting Panel mount Mounting Hole Size 1/16 DIN (48 x 48 mm) Display 2-line, 4-character 7-segment LED Input Current Signal Range 0–20 mA, 4–20 mA Input Voltage Signal Range 0–5 VDC, 0–10 VDC, 0–50 mVDC Input Thermocouple Types J, K, T, N, E, R, S, B, L, U, TXK Input RTD Types Pt100, JPt100 Output (2) 5A SPST relays, (2) 3A SPST relays Operating Voltage 100–240 VAC Control Modes PID, ON/OFF, ramp/soak, manual Control Function Single loop; heat only, cool only, or heat/cool Communication RS-485 (Modbus ASCII, Modbus RTU) Weight 2.12 lbs     Information About SL4848-RR The SL4848-RR is a panel-mounted SOLO temperature controller featuring a 48 mm x 48 mm (1/16 DIN) housing and dual 4-character, 7-segment LED displays. It supports universal input types including J, K, T, N, E, R, S, B, L, U, and TXK thermocouples, Pt100 and JPt100 RTDs, as well as 0–5 VDC, 0–10 VDC, 0–50 mVDC, 0–20 mA, and 4–20 mA analog signals. The unit provides two 5A SPST control relays and two 3A SPST alarm relays, enabling simultaneous heating and cooling control. With built-in RS-485 communication supporting Modbus ASCII and RTU protocols, it integrates into networked industrial control systems. Key Features: 1/16 DIN Form Factor: Compact 48 x 48 mm panel-mount design for control enclosures. Universal Input Compatibility: Accepts thermocouple, RTD, and analog current/voltage signals. Dual Control and Alarm Relays: Includes two 5A SPST control relays and two 3A SPST alarm relays. Multiple Control Modes: Supports PID, ON/OFF, manual, and ramp/soak profile control. Heat and Cool Operation: Configurable for heat only, cool only, or combined heat/cool control. Two-Line LED Display: Dual 4-character 7-segment display for process and setpoint values. RS-485 Communication: Enables Modbus ASCII and RTU networking capability. Wide Power Input Range: Operates on 100–240 VAC supply voltage. The SL4848-RR delivers the reliability and precision required for industrial temperature and process control applications.

Brand: Automation Direct · Category: PLCs & Industrial Controllers

Key features

• 1/16 DIN Form Factor: Compact 48 x 48 mm panel-mount design for control enclosures.
• Universal Input Compatibility: Accepts thermocouple, RTD, and analog current/voltage signals.
• Dual Control and Alarm Relays: Includes two 5A SPST control relays and two 3A SPST alarm relays.
• Multiple Control Modes: Supports PID, ON/OFF, manual, and ramp/soak profile control.
• Heat and Cool Operation: Configurable for heat only, cool only, or combined heat/cool control.
• Two-Line LED Display: Dual 4-character 7-segment display for process and setpoint values.
• RS-485 Communication: Enables Modbus ASCII and RTU networking capability.
• Wide Power Input Range: Operates on 100–240 VAC supply voltage.

Specifications

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