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Honeywell 2MLQ-SS2A Digital Output Module
Product Description
The Honeywell 2MLQ-SS2A is a 16-point Triac-based digital output module designed for use in the MasterLogic-200 PLC system. Engineered for efficient AC load switching, it is ideally suited for industrial automation environments requiring robust control over medium-power AC devices. The module provides photo-coupler isolation and integrated surge suppression, ensuring safe and reliable operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 2MLQ-SS2A |
| Output Type | Triac Output (AC Load Switching) |
| Output Channels | 16 Points |
| Isolation Method | Photo Coupler Isolation |
| Rated Load Voltage | AC 100–240V (50/60 Hz) |
| Maximum Load Voltage | AC 264V |
| Maximum Load Current | 0.6A per point / 4A per COM |
| Minimum Load Current | 20 mA |
| Off Leakage Current | 2.5 mA (AC 220V, 60 Hz) |
| Maximum Inrush Current | 20A (1 cycle or less) |
| Voltage Drop (On State) | 1.5V or less (at 2A) |
| Surge Absorber | Varistor + CR Absorber (IEC 61006-6-2 compliant) |
| Response Time (On) | 1 ms or less |
| Response Time (Off) | 0.5 cycle + 1 ms or less |
| Common Method | 16 point / 1 COM |
| Power Consumption | 300 mA (all points ON) |
| Operation Indicator | LED for each output channel |
| External Connector | 18-point terminal block (M3 x 6 screw) |
| Dimensions (W×H×D) | 114 × 48 × 127 mm |
| Weight | 0.2 kg |
Applications
-
Industrial process automation
-
Machine control systems
-
Building automation (e.g., lighting control)
-
HVAC systems
-
Factory equipment interfacing
-
Motor and pump switching (AC type)
Advantages
-
Robust AC load handling with Triac output
-
Integrated surge protection enhances reliability
-
Fast response time for real-time control
-
Visual LED indicators for each channel
-
Modular design simplifies system integration
-
Photo-coupler isolation for enhanced safety
Frequently Asked Questions (FAQ)
Q1: What type of loads can the 2MLQ-SS2A control?
A1: It is designed for AC loads such as lamps, solenoids, and contactor coils.
Q2: Can this module handle DC loads?
A2: No, the Triac output is suitable for AC loads only.
Q3: Is there built-in protection for surges?
A3: Yes, it features both Varistor and CR-type surge protection.
Q4: What is the minimum current required to keep a channel on?
A4: A minimum of 20 mA is required.
Q5: What kind of isolation does it offer?
A5: Photo coupler isolation between output channels and internal circuits.
Q6: Can this module be hot-swapped?
A6: No, power should be turned off before installation or removal.
Q7: Is it compatible with all MasterLogic-200 systems?
A7: Yes, it is fully compatible with the MasterLogic-200 PLC system.
Q8: How many modules can be installed in a base unit?
A8: Depends on the base unit model, but multiple modules can be installed.
Q9: Are the fuses user-replaceable?
A9: This specific Triac output module does not contain user-replaceable fuses.
Q10: What happens if the external power supply is lost?
A10: All outputs will turn off and the module will cease operation until power is restored.
Related or Same Series Models
| Model | Description | Output Type | Channels | Load Voltage | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|
| 2MLQ-RY1A | Relay Output Module | Relay | 8 | DC24V / AC220V | 114×48×127 | 0.13 kg |
| 2MLQ-RY2A | Relay Output Module | Relay | 16 | DC24V / AC220V | 114×48×127 | 0.17 kg |
| 2MLQ-TR2A | Transistor Output Module (Sink) | Transistor (Sink) | 16 | DC12/24V | 114×48×127 | 0.11 kg |
| 2MLQ-TR2B | Transistor Output Module (Source) | Transistor (Source) | 16 | DC12/24V | 114×48×127 | 0.12 kg |
| 2MLQ-TR4A | Transistor Output Module (Sink) | Transistor (Sink) | 32 | DC12/24V | 114×48×127 | 0.10 kg |
| 2MLQ-TR8A | Transistor Output Module (Sink) | Transistor (Sink) | 64 | DC12/24V | 114×48×127 | 0.15 kg |
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