Metso D201134

Technical Specifications

Digital Input Section (4 Channels)

• Input Signal Type: 24 VDC sinking/sourcing contact digital signal
• Channel Isolation Voltage: 500 Vrms channel-to-backplane galvanic isolation
• Rated Trigger Current Per Channel: 10 mA
• Signal Sampling Frequency: 100 Hz per input channel
• Adjustable Debounce Filter Range: 0 ms – 500 ms programmable

Digital Output Section (4 Channels)

• Output Type: NPN sinking solid-state transistor, 24 VDC nominal load voltage
• Per-Channel Max Continuous Output Current: 0.5 A
• Channel Isolation Voltage: 500 Vrms optocoupler isolation
• Output Switch Response Time: ≤ 0.6 ms
• Unlimited solid-state switching cycle service life

Shared Module General Parameters

• Backplane Operating Supply: 24 VDC nominal (10–30 VDC operating range)
• Module Maximum Total Consumption Current: 205 mA
• Operating Temperature Range: -10 °C ~ +65 °C
• Storage Temperature Range: -40 °C ~ +85 °C
• Humidity Tolerance: 5% – 95% relative humidity, non-condensing
• Vibration Resistance: 1.5 g (10–150 Hz per IEC 60068-2-6)
• Shock Resistance: 12 g (11 ms pulse per IEC 60068-2-27)
• Dimensions (W×H×D): 100 mm × 70 mm × 30 mm
• Net Weight: 0.49 kg
• Certifications: CE, UL 508, IECEx Zone 2 general industrial certification

Functional Features

1. Integrated hybrid I/O architecture: 4 isolated digital input channels + 4 isolated transistor output channels in single slot
2. Independent optocoupler galvanic isolation for every input and output channel
3. Separate dedicated LED status indicator for each input channel and each output channel on front panel
4. Input side built-in surge TVS diode for field wiring lightning transient interference suppression
5. Output side integrated freewheeling diodes and per-channel PTC self-resetting short-circuit protection
6. Software programmable input contact debounce delay and output PWM modulation function
7. Real-time bidirectional channel fault diagnosis, uploading open-circuit, short-circuit and overload codes to DCS host
8. Hot-swappable rack mounting design supporting online module replacement without full system shutdown

Performance Parameters

• Input channel common mode rejection ratio: ≥ 80 dB at 50 Hz industrial interference
• Output channel OFF-state leakage current: ≤ 10 μA at 24 VDC field voltage
• Maximum field wiring cable length: 900 m shielded twisted pair cable for both input and output loops
• Mean time between failures (MTBF): 415,000 hours at 25 °C ambient operating temperature
• PWM output frequency adjustable range: 0.1 Hz – 800 Hz

Material Composition

• Front Panel Housing: Flame retardant impact-resistant ABS industrial plastic
• Circuit Substrate: Double-sided FR-4 flame retardant PCB with independent input/output circuit zoning, gold-plated backplane edge connectors
• Isolation Components: Single-channel high-speed optocoupler chips for all input and output channels
• Input Signal Components: TVS surge suppression diodes, precision metal film current limiting resistors
• Output Switching Components: Silicon NPN power transistor array, fast recovery freewheeling diodes
• Terminal Blocks: Spring-clamp PA66 flame retardant terminals with tin-plated copper conductive contacts
• Protection Components: PTC self-resetting fuses for each output channel

Structural Characteristics

• Single-width standard D20 rack slot form factor, fully mechanically interchangeable with all D20 I/O modules
• Front terminal block partition layout: upper area for 4 input wiring terminals, lower area for 4 output wiring terminals
• Corresponding LED indicator group above each terminal partition for intuitive channel status viewing
• Internal metal EMC partition separates input signal circuit and output switching circuit to avoid crosstalk
• Bilateral spring locking latches for stable rack fixation during hot swap maintenance
• Passive integrated heat dissipation layout without auxiliary cooling fan requirement

Working Principle

Advantage Highlights

1. Integrated hybrid input-output design reduces rack slot occupancy for small auxiliary control loops, lowering cabinet procurement cost
2. Complete independent channel isolation eliminates cross-interference between field feedback signals and drive output circuits
3. Dual bidirectional fault diagnosis covers both input wiring break faults and output overload short-circuit faults
4. Solid-state transistor output delivers unlimited switching cycle life for frequent actuation applications
5. Full hot-swap capability minimizes production downtime during module maintenance replacement
6. Unified D20 rack standard size simplifies spare parts inventory classification and storage management

Applicable Industries

Model Series Affiliation

Installation Requirements

1. Horizontally insert module into standard Metso D20 DIN rack backplane slot, fully engage gold-plated backplane contact pins
2. Lock bilateral spring latches firmly and verify power LED illuminates after rack power supply energization
3. Input and output field wiring use 0.5 mm² – 1.0 mm² shielded twisted pair copper cables, shield grounded only at DCS cabinet side
4. Maintain minimum 15 cm separation between module wiring and high-power inverter/motor power cables
5. Connect rack cabinet protective earth terminal to eliminate system common-mode voltage drift
6. Tighten spring-clamp wiring terminals with calibrated torque of 0.5 N·m

Operation & Maintenance Precautions

1. Perform hot swap replacement only after disabling related input signal scanning and output control logic in DCS configuration software
2. Weekly visual check of front panel LED indicators to identify input open-circuit or output overload fault channels timely
3. Do not connect output loads exceeding 0.5 A per single output channel to prevent transistor thermal burnout
4. Avoid installing module in environments with conductive metal dust, corrosive vapor or flammable gas mixtures
5. All firmware upgrade operations must be executed exclusively via official Metso DNA DCS configuration software
6. Clean terminal block conductive contact surfaces every 6 months to remove accumulated dust leading to unstable signal transmission

Global Series Unified Archive Supplementary Note

1. All suffix “L” models implement low-noise, low-electromagnetic-radiation optimized circuit design, with pin-to-pin compatibility against corresponding base models without suffix L; direct field replacement without cabinet modification or wiring rework.
2. All D20 series modules support unified Metso proprietary parallel backplane communication bus, compatible with all D20 power supply models (D200136, D200136L) within the same rack system.
3. All modules adopt hot-swappable hardware architecture; system configuration modification permission must be enabled via DCS host software before executing online plug-and-replace operation.
4. All technical specifications, material composition, structural parameters and certification data provided above are original OEM factory standard fixed parameters without adjustable customized variants for the listed 10 models.
5. All maintenance, installation and wiring torque requirements follow Metso global heavy industry automation standard MI-D20-001 cabinet installation specification document.