Product Details
The Honeywell 1MLR-CPUB, also cataloged as the 1MLR-CPUB PLC CPU Module, operates as a dedicated hardware component for PID execution and programmable logic control within Master-Logic 200 network platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1MLR-CPUB |
| Brand | Honeywell |
| Origin | South Korea |
| Operating Temp | -10 to +60 deg C |
| Power Consumption | Backplane-supplied / 24 VDC input |
| Module Type | PLC CPU Module |
| Input Voltage | 24 VDC |
| Output Voltage Range | 0-10 VDC |
| Communication Interface | RS-485 |
| Control Capabilities | PID control, programmable logic, event-driven processing |
| Storage Temperature | -40 to +85 deg C |
| Humidity Range | 5% to 95% RH, non-condensing |
| Mounting Type | DIN rail or panel mount |
| Protective Coating | Conformal coated PCB |
Channel-to-Channel Isolation and 4-20 mA HART Loop Protocol
The CPU module integrates galvanic channel-to-channel isolation networks designed to decouple internal microprocessors from field wiring noise and ground potential differences. High-speed optical isolation barriers shield the onboard RS-485 serial communication transceiver and analog processing stages (0-10 VDC) from external electrical surges. The circuit layout preserves signal fidelity for 4-20 mA HART loop processing and real-time PID algorithm updates across distributed I/O racks.
Frequently Asked Questions
Q: What mounting options are supported for the 1MLR-CPUB CPU module chassis?
A: The module supports direct standard 35 mm DIN-rail mounting or direct panel backplate installation using integrated mechanical mounting clips.
Q: How does the CPU module maintain operation in harsh ambient chemical or high-humidity environments?
A: Printed circuit board assemblies feature industrial-grade conformal coating to protect electronic components against humidity (up to 95% RH non-condensing) and airborne corrosive contaminants.
Field Installation Guidelines
- Confirm the main 24 VDC cabinet power supply is de-energized before mounting the CPU module onto the base rack.
- Snap the module securely onto the designated 35 mm DIN rail or fasten panel screws to establish frame earth grounding.
- Connect RS-485 serial communication cabling using shielded twisted pairs, grounding the drain wire at a single earth point.
- Verify all I/O bus connectors are locked tightly before applying system operating power.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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