Technical Specifications Output Signal Type: Analog current signal Output Channel Quantity: 4 channels Output Signal Range: 0‑20mA, 4‑20mA Output Resolution: 12‑bit Output Accuracy: ±0.5% full scale Load Resistance: Maximum 500 ohms per channel Isolation Voltage: 1500V RMS between field side and logic side Operating Power Supply: 5VDC from backplane, 24VDC field power supply Communication Protocol: VersaMax backplane bus Operating Temperature: 0℃ to +60℃ Storage Temperature:‑40℃ to +85℃ Relative Humidity: 5%‑95%, non‑condensing Mechanical Dimension: Standard VersaMax modular unit Certifications: CE, UL, cUL industrial compliance
Functional Features Supports multi‑channel analog current output for field control devices. Built‑in hardware isolation to separate field circuit and PLC internal circuit. Provides over‑current protection for each output channel. Channel level diagnostic function for open‑circuit and short‑circuit detection. Supports hot‑swap operation without system power‑off. Real‑time channel fault status feedback to CPU unit.
Application Scenarios Factory automation PLC control system. Flow, pressure and temperature closed‑loop regulation loops. Analog valve positioning and actuator driving control. Packaging and material handling industrial equipment. Water treatment plant process control. 
Structural Characteristics Standard plug‑in modular structure compatible with VersaMax rack. Front panel equipped with LED indicator lamps for power status and channel fault alarm. Field wiring terminals located on module front for convenient wiring maintenance. Backplane gold‑finger interface for VersaMax internal bus connection.
Working Principle Digital‑to‑analog conversion chip converts digital values into corresponding analog current signals. Isolation circuit completes electrical separation between field side and PLC logic circuit. Output driving circuit sends analog signals to field actuators.
Usage Notes Carry out regular inspection for front‑panel LED status indicators. Do not disassemble or repair the module on site. Send defective unit back to authorized maintenance center for service. Avoid exposing the module to corrosive gas, oil mist and direct liquid splash environment.
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