The Honeywell 30731808-001 (Honeywell 30731832-001 Microprocessor Board), serves as the primary 30731832-001 Microprocessor Board utilized to execute instruction processing and digital data routing across TDC 2000 platforms.
Hardware Specifications
Parameter
Specification
Model
30731832-001
Brand
Honeywell
Origin
USA
Weight
0.25 kg
Dimensions
Standard TDC 2000 Board Form Factor
Operating Temp
0 deg C to 60 deg C
Power Consumption
Powered via TDC 2000 Bus
4-20 mA HART Loop Protocol and Channel Isolation
The 30731832-001 processes internal logic commands and communicates with various system cards including CB, RCD, HLPIU, LLPIU, LEPIU, and operator stations. The 4-20 mA HART loop protocol compatibility allows field instruments to transmit variable metrics alongside digital diagnostic packets through connected analog interfaces. Channel-to-channel isolation within the board architecture guards against ground loops and common-mode transients. Cold junction compensation (CJC) and internal temperature tracking maintain processing accuracy across thermal variations.
Frequently Asked Questions
Q: What is the primary function of the onboard LED indicator?
A: The single LED indicator provides real-time status feedback regarding processor heartbeat and operational fault states.
Q: Can this microprocessor board be utilized across different TDC 2000 subsystems?
A: Yes, it is designed for deployment in CB, RCD, HLPIU, LLPIU, LEPIU, and operator station node configurations.
Q: Is hot-insertion supported for this board variant?
A: System power must be isolated prior to board insertion or extraction to prevent electrical damage to edge connector pins.
Field Installation Guidelines
Ensure that the TDC 2000 chassis rack power is completely de-energized before sliding the microprocessor board into its designated slot.
Verify proper physical alignment along card guide rails to prevent bending or damaging edge connector pins during installation.
Maintain adequate cabinet ventilation clearances around the rack assembly to support convective cooling across the printed circuit board.
Check all internal interface connections and jumpers for secure positioning prior to restoring primary system power.
