Product Short Description
Product Name: Deltat ACC-5595-208 Process Controller with RS485 Communication
Product Introduction: The ACC-5595-208 is an advanced single-loop process controller from Deltat Controls featuring built-in RS485 Modbus RTU communication. It is designed for integration into SCADA and DCS systems for centralized monitoring and control of temperature processes.
Description
Technical Specifications:
- Input Type: K, J, T, E, S, R, B, N thermocouples; Pt100, Pt1000 RTDs
- Control Output: Relay, SSR drive, 4–20 mA
- Communication: RS485 Modbus RTU (9600–115200 baud)
- Control Mode: PID, On/Off, Time-Proportional
- Power Supply: 85–265 VAC / 24 VDC
- Accuracy: ±0.1% of reading + 0.5°C
- Resolution: 0.1°C
- Operating Temperature: 0°C to +50°C
- Dimensions: 96 × 96 mm (1/4 DIN)
Functional Features:
- Full Modbus RTU register map (read/write setpoint, output, alarms)
- Programmable alarm with delay
- Auto-tune PID
- Password protection for parameter changes
- Transmitter output mirroring (setpoint → 4–20 mA)
Performance Parameters:
- Repeatability: ±0.15°C
- Communication Distance: Up to 1200 m (RS485)
- Relay Rating: 16 A resistive
Material Composition: ABS UL94 V-0 housing, polycarbonate front, screw terminals.
Structural Features: 1/4 DIN panel-mount format with LCD display and navigational buttons.
Working Principle: The controller executes PID control locally while simultaneously exposing all process variables and control parameters via Modbus RTU over RS485. A master device (PLC/SCADA) can read temperatures, write setpoints, and monitor alarm states.
Key Advantages: Native Modbus RTU enables seamless SCADA integration without additional gateways. Password-protected parameters prevent unauthorized changes.
Applicable Industries: Water treatment, HVAC, chemical processing, pharmaceutical, food & beverage.
Model Series: ACC-5595 Series
Installation Requirements: 1/4 DIN cutout 92 × 92 mm. RS485 bus requires 120 Ω termination resistor at each end of the cable run.
Usage Precautions: Set unique Modbus slave addresses when multiple units are on the same bus. Use shielded twisted-pair cable for RS485.
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