51309355-001 Honeywell Main PC Board for Truline Recorders

51309355-001 Honeywell Main PC Board for Truline RecordersProduct Overview The Honeywell 51309355 001 serves as the central intelligence for the DR4500 Truline Circular Chart Recorder series and integrated TDC 3000 environments. This high speed industrial microprocessor manages the entire recorder lifecycle, from multi channel signal conditioning to real time chart motor synchronization. We supply this board as 100% Brand New and Original, ensuring your facility maintains regulatory compliant record keeping

Ensure a low-impedance connection to the system's earth ground via the designated terminal

5 to 42 VDC supply lines Output Signal 4-20 mA DC analog current loop Calibrated Range 0 to 25 PSI Maximum Working Pressure 300 PSI Diaphragm Material 316L Stainless Steel Wetted Parts Material Cobalt-Nickel-Chromium (Co-Ni-Cr) alloy Process Connection 1/2 NPT external thread configuration Ingress Protection IP66 / NEMA 4X rated enclosure 4-20 mA HART Loop Protocol and Channel-to-Channel Isolation

safe deployment in Zone 2 locations

0–10 VDC Resolution 16-bit High Precision Isolation Optical Isolation with HCM Rejection Power Consumption 309 mA @ 24 VDC Operating Temp -40 °C to +70 °C Certifications UL

If your application currently uses a non-isolated module (like the MDL940)

Mounting: Single-slot width with vibration-proof backplane locking

a critical requirement for high-speed ESD sequences in petrochemical and power generation sectors

Compliance ensures the 3500/05 rack meets specific requirements for reliability

This logic prevents hazardous out-of-sequence operations

This design allows field devices to operate safely in Zone 0

ensuring that digitized analog data reaches the controller bus with fixed latency

Galvanic Noise Immunity: The module employs galvanic isolation to decouple field-side electrical noise from the control bus