Dwyer 4B Series Offers

Features

• The units can be programmed for ON/OFF, PID, auto-tuning, or manual tuning control methods
• The PID control is supported by 64 ramp/soak actions
• Also includes two additional alarm outputs
• The second relay output can be reconfigured as a third alarm output
• The alarm type can be selected from 13 different preprogrammed alarm functions
• The controller features dual LED displays for local indication of process and setpoint values

• Inputs: Thermocouple, RTD, DC voltages or DC current
• Display: Two 4-digit, 7 segment. PV: 3/4" H (19 mm) red; SV: 1/2" H (12.7 mm) green
• Accuracy: ±0.25% span, ±1 least significant digit
• Supply Voltage: 100 to 240 VAC, 50/60 Hz
• Operating Temperature: 32 to 122°F (0 to 50°C)
• Memory Backup: Nonvolatile memory
• Control Output Ratings: Linear Voltage: 0-10 V
• Communication: RS-485 Modbus A-5-11/RTU communication protocol

• Power Consumption: 5 VA max
• Weight: 15 oz (425 g)

Control temperature for boilers, damper control based on temperature or pressure.