Honeywell CC-PAOH01 51405039-175 Analog Output Module The Honeywell CC-PAOH01 51405039-175, also cataloged as the 51405039-175 analog output module, operates as...
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Honeywell CC-PAOH01 51405039-175 Analog Output Module
The Honeywell CC-PAOH01 51405039-175, also cataloged as the 51405039-175 analog output module, operates as a dedicated hardware component for 4-20 mA current loop signal generation within the Experion PKS C300 I/O subsystem. The module executes 16-channel analog output conversion with HART-compatible loop interfacing and per-channel electrical drive control from a 24 VDC backplane supply.
Suffix Breakdown & Model Matrix
CC-PAOH01 51405039-175 is a single-defined spare model identifier. No additional functional suffix segmentation or variant encoding is specified in the provided dataset.
Hardware Specifications
Parameter
Specification
Model
CC-PAOH01 51405039-175
Brand
Honeywell
Origin
USA
Weight
0.4 kg
Dimensions
6 x 15.5 x 14.5 cm (shipping envelope)
Operating Temp
N/A
Power Consumption
0.46 A @ 24 VDC
Output Type
4-20 mA HART analog output
Output Channels
16
Output Ripple
< 100 mV peak-to-peak (power line frequency)
Output Linearity
± 0.05 % Full Scale
Calibration Accuracy
± 0.35 % Full Scale @ 25 deg C
Load Capability
Max 800 ohm resistive load
Compliance Voltage
Max 16 V
Open Circuit Voltage
22 V
Resolution
± 0.05 % Full Scale
4-20 mA HART Loop Electrical Behavior
The module implements channel-parallel 4-20 mA current sourcing with HART overlay modulation on the output loop. Each channel maintains independent DAC control with linearized current regulation referenced to full-scale calibration. Output compliance is constrained by internal voltage headroom, limiting loop resistance to defined maximum loading conditions under full-scale drive.
Channel architecture supports simultaneous multi-output updating through backplane-synchronized refresh cycles, ensuring deterministic current step execution across all 16 output points.
Frequently Asked Questions (FAQ)
Q: Does the module support hot-swap replacement under energized backplane conditions? A: Hot-swap capability depends on system backplane implementation. The module itself maintains static output state retention during insertion/removal events, but field loop interruption occurs if loop power is not externally buffered.
Q: What is the impact of maximum loop resistance on output accuracy? A: Operation near the 800 ohm resistive limit reduces available compliance voltage margin, which can induce current saturation and degrade linearity at high output setpoints.
Q: Is channel-to-channel electrical isolation implemented? A: The provided specifications do not define per-channel galvanic isolation. Isolation behavior is determined at the I/O termination assembly and system architecture level.
Field Installation Guidelines
Install module into designated C300-compatible I/O chassis slot only.
Maintain shield continuity for all 4-20 mA loop wiring with single-point grounding at cabinet earth reference.
Ensure loop supply voltage remains within compliance margin to avoid output saturation under high load resistance.
Verify field wiring polarity before energizing output channels to prevent DAC drive stress conditions.
Avoid routing analog output wiring parallel to high-frequency switching conductors to reduce induced ripple coupling.
Confirm backplane connector seating integrity prior to system power-up to prevent intermittent channel activation.
