METSO IOP331

• Channel Count: Multiple isolated analogue input channels
• Input Range: 4 mA to 20 mA
• Resolution: High precision A/D conversion
• Isolation: Galvanic isolation per channel group
• Backplane: Metso DNA backplane
• Operating Temperature: 0 °C to +60 °C

Functional Features:

• Receive process measurement signals for pressure, flow, temperature and level transmitters
• Wire break detection for 4-20 mA current loops
• Channel-level diagnostic reporting to DCS
• High noise rejection for industrial environments
• Hot swap support on compatible chassis
• Scaling function inside module for engineering unit conversion

Application Scenarios:

• Pulp & paper process measurement
• Mining concentration process control
• Petrochemical plant monitoring
• District heating control systems
• Waste incineration plant process DCS

Performance Parameters:

• Conversion resolution: 16 bit
• Measurement accuracy: ±0.1 % of full scale
• Sampling rate configurable for each channel

Structure Characteristics:

• Chassis plug-in module
• Front panel LED status for power and channel faults
• Removable terminal block for current loop wiring

Installation Requirements:

• Install in Metso DNA chassis
• Use shielded twisted pair cable for analogue signal wiring
• Cable shield single point grounded at control cabinet
• Verify transmitter loop power configuration

Notes:

• Avoid running analogue cables alongside high-voltage power cables
• Check for loop resistance before commissioning
• Calibrate transmitter and module together periodically