2MLQ-TR4B Honeywell MasterLogic-200 Digital Output Modules
Manufacturer: Honeywell
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Part Number: 2MLQ-TR4B
Condition：New with Original Package
Product Type: Digital Output Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Honeywell 2MLQ-TR4B Transistor Output Module
The Honeywell 2MLQ-TR4B, also cataloged as the 2MLQ-TR4B Digital Output Module, operates as a dedicated hardware component for 32-channel high-speed discrete control within MasterLogic-200 PLC platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 2MLQ-TR4B |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.2 kg |
| Dimensions | 426 x 98 x 19 mm |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | Rack backplane supplied |
| Output Type | 32-Channel Transistor (Sink) |
PLC Control and Deterministic Performance
The 2MLQ-TR4B utilizes a high-density transistor output architecture capable of switching at speeds of 1 ms or less. The module integrates seamlessly into MasterLogic-200 backplane bus communication velocity frameworks, ensuring deterministic output execution required for real-time logic sequences. To maintain system integrity, the module incorporates photo-coupler isolation between the field-side output transistors and the internal system logic, preventing high-voltage transients from propagating back to the CPU. Each channel features integrated over-current and short-circuit protection, ensuring that field-side wiring faults do not compromise the I/O backplane or adjacent output channels. This design allows for effective I/O density scaling while maintaining rigorous electrical noise immunity.
Frequently Asked Questions
Q: Does the module support hot-swapping during PLC operation?
A: No. The MasterLogic-200 architecture requires the I/O rack to be de-energized before module extraction or insertion to prevent backplane damage or unintended output states.
Q: Can the outputs be used to drive inductive loads directly?
A: Yes, the transistor outputs can drive solenoids and relays; however, external flyback diodes are required across the load to suppress inductive voltage spikes during the turn-off cycle.
Q: How is the load power supplied to the transistor outputs?
A: The module requires an external 12/24 VDC power supply connected to the terminal block to energize the transistor output stage. The internal system logic is powered exclusively by the PLC backplane.