Honeywell 1MLR-CPUB Experion PKS Series C Controller CPU Module
Manufacturer: HONEYWELL
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Part Number: 1MLR-CPUB
Condition：New with Original Package
Product Type: CPU Processors
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Honeywell 1MLR-CPUB CPU Module
The Honeywell 1MLR-CPUB serves as the primary 1MLR CPU Module utilized to execute logic execution across Honeywell Experion PKS Series C I/O platforms. The device interfaces directly with C300 controller systems, managing real-time data flow from discrete and analog field instrumentation over the synchronized backplane network.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1MLR-CPUB |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.5 kg |
| Dimensions | 210 x 70 x 60 mm |
| Operating Temp | -20 deg C to +60 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Power Consumption | Powered via system backplane (24 VDC input) |
| System Compatibility | Honeywell Experion PKS Series C I/O, C300 Controller |
| Supported Digital Inputs | 24 VDC, 110 VAC/125 VDC, 220 VAC |
| Supported Digital Outputs | 24 VDC bussed, relay |
| Supported Analog Inputs | High-level with/without HART |
| Supported Analog Outputs | With/without HART |
| Low-Level Interface | Low-level multiplexer compatibility |
| Humidity | 5% - 95% non-condensing |
| Certifications | CE, UL, CSA |
Process Control & HART Network Architecture
The controller processing logic handles 4-20 mA HART loop protocol parameters natively through downstream Series C interface paths. Technicians configure the unit to pass digital diagnostic variables alongside the standard 4-20 mA primary variable. To preserve signal integrity across high-density topologies, the module relies on the system carrier channel-to-channel isolation parameters to block voltage spikes while maintaining stable cold junction compensation (CJC) equations for low-level thermocouple multiplexer attachments.
Frequently Asked Questions
Q: How does the module handle real-time database synchronization during redundant operation?
A: The processor executes dedicated memory mirroring algorithms via the backplane network layer, maintaining active state replication to prevent control interruptions if a primary switchover occurs.
Q: What are the specific power supply requirements for this central processing unit?
A: The unit draws power directly from the local rack assembly bus bar, requiring a regulated 24 VDC feed delivered through the proprietary rear backplane connectors.
Q: Which explicit field signal ranges can the CPU scan through its associated I/O modules?
A: The processor accepts data structures originating from high-level 4-20 mA field loops, low-level multiplexed sensors, and discrete inputs ranging up to 220 VAC.
Field Installation Guidelines
Mount the processor vertically onto the designated master slot position of the system chassis backplane. Operators must verify that all alignment pins seat correctly before engaging the locking tabs to secure the hardware housing.
Ensure the main enclosure maintains a continuous operating temperature within the range of -20 deg C to +60 deg C. Grounding technicians must tie the chassis frame to the master station reference using a low-impedance copper strap to optimize noise filtering performance. When installing adjacent Series C hardware, route all high-voltage discrete control lines through distinct wiring ducts isolated from the low-voltage analog 4-20 mA signal runs to avoid inductive cross-talk.