Comprehensive Product Summary – Dataforth MAQ20-DIOL Discrete I/O Module

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### 1. Product Overview

Product Name: MAQ20-DIOL
Model Number: MAQ20-DIOL
Series: MAQ®20 Industrial Data Acquisition and Control System
Article Number: MAQ20-DIOL
Manufacturer: Dataforth Corporation
Manufacturer Part Reference: MA1043 Rev. A – January 2014
Product Type: DIN Rail Mounted 5/5 Channel Digital Input/Output Module

The MAQ20-DIOL is a discrete input/output module designed for use within Dataforth’s MAQ®20 modular data acquisition and control system. It provides five isolated digital input channels and five isolated digital output channels, each capable of interfacing with 3–60VDC signals. The module is DIN rail mountable and connects directly to the MAQ20 backbone for power and communication distribution.

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### 2. Key Features

- Dual Functionality: 5 isolated discrete inputs and 5 isolated discrete outputs, each channel independently protected and isolated.
- Wide Voltage Range: Operates with 3–60VDC input and output signals.
- High Current Output: Each output channel supports up to 3A load current.
- Advanced Isolation: 1500Vrms channel-to-bus isolation and 300Vrms channel-to-channel isolation.
- Rugged Industrial Design: Operates reliably in harsh environments from -40°C to +85°C.
- Inverted Logic Operation: Logic 0 indicates input above threshold or output switch closed; Logic 1 indicates input below threshold or output switch open.
- Programmable Default States: User-configurable default output states on power-up or reset for fail-safe operation.
- Seven Built-in Special Functions:
1. Pulse/Frequency Counter
2. Pulse/Frequency Counter with Debounce
3. Waveform Measurement
4. Time Between Events
5. Frequency Generator
6. Pulse Width Modulation (PWM) Generator
7. One-Shot Pulse Generator
- Alarm Capabilities: Configurable High, Low, High-High, and Low-Low alarms with mapping to output channels.
- Hot Swappable: Modules can be inserted or removed without system power-down.
- Automatic Registration: System auto-detects and assigns registration numbers to modules.
- Software Integration: Fully compatible with Dataforth’s ReDAQ Shape and MAQ20 Configuration Software Tools.
- Compliance: CE compliant, UL/CUL listing and ATEX certification pending.

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### 3. Technical Specifications

Physical Dimensions:
- Height: 114.6 mm (4.51 in)
- Width: 15.3 mm (0.60 in)
- Depth: 82.8 mm (3.26 in)

Weight: Approximately 150 g (typical module weight).

Material: Industrial-grade thermoplastic housing with integrated DIN rail clip and pluggable terminal block.

Electrical Characteristics:
- Input Voltage Range: 3–60VDC
- Output Voltage Range: 3–60VDC
- Output Current: Up to 3A per channel
- Input Threshold: 1.6V (signals above threshold read as logic 0)
- Isolation:
- Channel-to-Bus: 1500Vrms
- Channel-to-Channel: 300Vrms (425VDC)
- Protection: Continuous overload and reverse polarity protection; ANSI/IEEE C37.90.1 transient protection.
- Power Supply Current: 30mA typical from system bus.

Switching Performance:
- Input Turn-On/Off Time: 25µs / 55µs
- Output Turn-On/Off Time: 20µs / 40µs

Environmental Ratings:
- Operating Temperature: -40°C to +85°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 0–95%, non-condensing

Compliance:
- EMC Emissions: EN61000-6-4, ISM Group 1, Class A
- EMC Immunity: EN61000-6-2, ISM Group 1
- RF Performance: ±0.5% span error
- ESD/EFT Performance: Class B
- Certifications: CE, UL Class I Div 2 (pending), ATEX (pending)

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### 4. Functionality

The MAQ20-DIOL module provides both digital input and output capabilities for industrial automation and control applications.

Inputs:
- Accept 3–60VDC signals.
- Detect logic high when voltage >1.6V.
- Inverted logic ensures robust signal interpretation in noisy environments.

Outputs:
- Solid-state switches control external DC loads up to 3A.
- Configurable default states ensure safe startup conditions.

Special Functions:
Each module supports up to four simultaneous special functions, leveraging two internal timers (Timer 0 and Timer 1). Functions include counting, frequency measurement, waveform analysis, and signal generation.

Applications:
- Machine automation and process control
- Event counting and frequency monitoring
- PWM motor control and signal generation
- Alarm signaling and safety interlocks
- Remote I/O expansion in distributed control systems

Compatibility:
- Fully compatible with MAQ20-COMx communication modules (Ethernet, USB, RS-232/485).
- Integrates with MAQ20-BKPLx backbones and MAQ20-PWR3 power modules.
- Software support via ReDAQ Shape, MAQ20 Configuration Tool, and LabVIEW VIs.

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### 5. Components & Accessories

Included Components:
- MAQ20-DIOL module
- Pluggable terminal block (20-position) for field wiring
- Integrated DIN rail mounting clip

Terminal Assignments:
- Channels DO0–DO4: Output terminals (+OUT, -OUT)
- Channels DI0–DI4: Input terminals (+IN, -IN)

Optional Accessories:
- MAQ20-BKPLx backbones (various channel counts)
- MAQ20-COMx communication modules
- MAQ20-PWR3 auxiliary power supply module
- ReDAQ Shape and Configuration Software licenses

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### 6. Installation & Setup

Mounting:
- DIN rail mountable on standard 35mm rail.
- Modules snap into place using integrated latch mechanism.
- Can be installed on continuous panels or plates.

Installation Steps:
1. Mount MAQ20-BKPLx backbone on DIN rail.
2. Insert MAQ20-COMx communication module in leftmost slot.
3. Insert MAQ20-DIOL module into any available slot.
4. Connect field wiring to terminal block.
5. Apply system power (7–34VDC).

Setup Process:
- Automatic module registration assigns sequential registration numbers.
- Configuration via MAQ20 Configuration Software or ReDAQ Shape.
- Default outputs and special functions can be programmed and stored in EEPROM.

Hot Swap Capability:
Modules can be replaced or added while system power remains on; registration updates automatically.

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### 7. Performance & Capabilities

Speed and Throughput:
- Scan/Update Rate: 3500 channels per second.

Special Function Performance:
- Pulse/Frequency Counter: Up to 10kHz, count to 10 million, RPM up to 65,535.
- Debounced Counter: Up to 3kHz, count to 10 million.
- Waveform Measurement: Frequency up to 500Hz (1% duty accuracy) or 10kHz (reduced accuracy).
- Time Between Events: Up to 10kHz event frequency, 10 million event pairs.
- Frequency Generator: 0–700Hz (1% error), up to 10kHz (14% error).
- PWM Generator: Minimum period 200µs, minimum low time 100µs, dual outputs per timer.
- One-Shot Pulse Generator: Minimum pulse width 100µs, programmable pre/post delays.

Derating:
- Continuous 3A per channel at 25°C; derate with temperature and adjacent module loading.
- Recommended spacing or low-power neighbors for high-current operation.

Limitations:
- Inverted logic requires careful software interpretation.
- Output current derates at elevated temperatures.
- Frequency accuracy decreases above 700Hz for generator functions.

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### 8. Standards & Compliance

- Quality Management: Manufactured under ISO9001:2008-registered QMS.
- Electrical Safety: Designed for Class I, Division 2 hazardous locations.
- EMC Compliance: Meets EN61000-6-2 and EN61000-6-4 industrial standards.
- Transient Protection: ANSI/IEEE C37.90.1 compliant.
- Pending Certifications: UL/CUL Listing, ATEX for hazardous environments.
- Environmental Compliance: RoHS and CE compliant.

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### 9. Additional Information

Warranty:
- Hardware: 1-year limited warranty from date of delivery.
- Software: 30-day warranty.
- Special products: 60-day warranty.
- Warranty covers defects in materials and workmanship; excludes misuse, overvoltage, or improper installation.

Support & Service:
- Technical Support: techinfo@dataforth.com
- Phone: +1 520-741-1404 / Toll-Free 800-444-7644
- Website: [www.dataforth.com](http://www.dataforth.com)
- Address: Dataforth Corporation, 3331 E. Hemisphere Loop, Tucson, AZ 85706 USA

Maintenance:
- Modules are maintenance-free; periodic inspection of wiring recommended.
- Firmware updates available via Dataforth support.
- Reset options:
- Standard Reset (user-defined defaults)
- Reset-to-Default (factory settings)

LED Indicators:
- PWR (Blue): Power status
- STAT (Green): Module status and registration indicator
- TX/RX (Yellow): Communication activity
- ALM (Red): Alarm condition

Return & Repair Policy:
- RMA required for all returns.
- Ship prepaid to Dataforth, Tucson, AZ.
- Repair warranty: 90 days or remainder of original warranty.

Critical Application Notice:
Not intended for life-support, safety-critical, or nuclear applications.

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### Summary

The Dataforth MAQ20-DIOL is a high-performance, industrial-grade discrete I/O module engineered for precision data acquisition and control in demanding environments. With its combination of 5 isolated inputs and 5 isolated outputs, wide voltage range, and advanced programmable functions, it provides exceptional flexibility for automation, monitoring, and control systems. Its robust isolation, configurable alarms, and multiple special functions make it suitable for complex process control, event timing, and signal generation tasks.

Designed for seamless integration within the MAQ20 modular platform, the MAQ20-DIOL exemplifies Dataforth’s commitment to rugged, reliable, and configurable industrial electronics.