Metso D201136

Product Brief

Technical Specifications

• Backplane Input Power: 24 VDC, 5.8 W nominal power draw
• Output Channel Count: 4 isolated analog output channels
• Standard Output Signal Range: 4–20 mA DC current loop, 0–10 V DC voltage secondary output
• Output Drive Load Capacity: Maximum 750 Ω per 4–20 mA channel
• Control Accuracy: ±0.08% Full Scale steady-state output stability
• Channel Isolation: 300 Vrms galvanic isolation per individual channel
• Response Speed: 180 ms full four-channel refresh cycle
• Auxiliary Field Power Output: 24 VDC, 1.2 A shared transmitter supply rail
• Operating Temperature Range: -10 °C to +60 °C
• Physical Dimensions: 98 mm (H) × 48 mm (W) × 19 mm (D)
• Net Weight: 0.6 kg
• Certifications: CE, UL, FM Intrinsic Safety Class I Div 2

Functional Features

1. Independent closed-loop current regulation for each analog output channel
2. Built-in HART communication signal superimposition circuit for smart valve positioners
3. Overload, short-circuit, and reverse-polarity protection on all output terminals
4. Four independent front-panel LED indicators for channel fault diagnostic status
5. Programmable fail-safe output state (hold last value / set minimum / set maximum)

Material Composition

• Enclosure: UL94-V0 flame retardant ABS black plastic housing
• PCB Substrate: FR4 double-sided fiberglass circuit board with tin-lead free solder
• Connector Hardware: Nickel-plated copper backplane contact pins
• Wiring Terminals: Reinforced polyamide spring clamp terminals

Structural Characteristics

1. Single-slot standard Metso PLC rack horizontal mounting form factor
2. Front-side removable terminal block for field actuator wiring termination
3. Internal integrated switching power supply circuit for auxiliary 24 V field power
4. Compact passive heat dissipation fins integrated into enclosure side panels
5. Rack locking snap latches for vibration-resistant fixed installation

Working Principle

Core Advantages

1. Combined analog output + field transmitter power supply reduces total rack slot consumption
2. HART signal compatibility enables two-way digital communication with smart field devices
3. Configurable fail-safe output states eliminate unregulated process drift during system faults
4. Low output signal drift maintains precise valve positioning across long-term continuous operation
5. Class I Div 2 hazardous location certification for petrochemical and refinery deployment

Applicable Industries

Installation Mandatory Requirements

1. Install only within temperature-controlled sealed electrical control cabinets
2. Auxiliary power output wiring must utilize shielded twisted pair cable
3. All field output cables require separate grounding shielding at cabinet terminal bars
4. Maintain minimum 15 mm vertical airflow gap between adjacent rack modules
5. Total combined field transmitter load must not exceed 1.2 A shared auxiliary supply limit

Operational Maintenance & Usage Restrictions

1. Monthly visual inspection of terminal block wiring tightness required for continuous operation
2. Prohibit connection of inductive loads (solenoid valves) directly to analog output channels
3. Maximum cable run length limited to 250 meters for all 4–20 mA output wiring
4. Short-circuit events trigger automatic channel lockout; power cycle required for reset
5. Do not operate module outside specified -10 °C to +60 °C temperature band