METSO IOP302

• Channel Count: Multiple isolated digital input channels
• Input Signal: 24 VDC field contact signals
• Backplane: Metso DNA system backplane
• Isolation: Galvanic isolation between channels and system
• Operating Temperature: 0 °C to +60 °C
• Power: Supplied via DCS chassis backplane

Functional Features:

• Read discrete status from switches, limit sensors and relay contacts
• Channel-level fault diagnostics for open circuit detection
• Optical isolation protects DCS backplane from field transients
• Hot swap capability in supported DNA chassis
• Channel status indication via front panel LEDs
• Signal filtering to suppress contact bounce noise

Application Scenarios:

• Pulp and paper production process control
• Mining and mineral processing plants
• Oil refining process control
• Power plant auxiliary DCS systems
• Water treatment industrial control

Performance Parameters:

• Input signal filtering time configurable
• Channel isolation withstand voltage up to 1500 V
• Fast status update to DCS controller

Structure Characteristics:

• Chassis plug-in electronic module
• Front panel with LED channel status indicators
• Removable terminal block assembly for field wiring

Installation Requirements:

• Insert into valid slot of Metso DNA chassis
• Chassis earth connection must be complete
• Field wiring routed in shielded cable trays
• Confirm DCS firmware compatibility

Notes:

• Disconnect field wiring before removing terminal block
• Do not apply voltage exceeding rated input range
• Periodically check terminal tightness in vibration environments