Product Name: I/O Interface Board / OCR161 3A99158G01
Brand Name: EMERSON Westinghouse
Model Number:1C31238H01
Country of Origin: USA
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
Westinghouse |
Model Number: |
3A99158G01 |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Specification |
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Manufacturer |
Emerson / Westinghouse (Ovation series) |
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Product Type |
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System Compatibility |
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Power Supply |
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Power Consumption |
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I/O Capacity |
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Bus Speed |
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Isolation Voltage |
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Operating Temperature |
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Dimensions (W × H × D) |
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Weight |
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Status Indicators |
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Redundancy Support |
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Hot-Swap Support |
Yes — I/O cards can be replaced online |
The 3A99158G01 (also designated 4PCRL1) is a local I/O interface board from Emerson‘s Ovation series, engineered as the core bridge between the DPU controller and 1C31 series I/O cards in legacy Ovation rack systems. The 3A99158G01 manages data exchange across a 2 Mbps parallel bus, supports up to 16 I/O cards, and provides 2500 VAC isolation for signal integrity. The 3A99158G01 features dual DPU redundancy support and hot-swappable I/O card capability. Now a discontinued spare part, the 3A99158G01 remains essential for maintaining older Ovation installations.
Power Generation – Turbine supervisory instrumentation (TSI), generator excitation, and boiler combustion control in power plants
Petrochemical Processing – Process control for oil refineries and chemical plants
Water & Wastewater Treatment – Flow control and water quality monitoring
Manufacturing Automation – Precision control on automated production lines
Legacy Ovation Systems – Critical bridging component for older DPU racks (pre-WH1 series)
Legacy System Sustainment – Essential for maintaining older Ovation DPU racks; no direct replacement exists—upgrading requires full WH1 rack migration
High-Speed Data Throughput – 2 Mbps parallel bus ensures fast, deterministic data exchange between DPU and I/O cards
Robust Electrical Isolation – 2500 VAC isolation protects the controller from field-side transients and ground loops
Minimized Downtime – Dual DPU redundancy with seamless切换 and I/O card hot-swap capability enable online maintenance
Fault Containment – Automatic isolation of faulty I/O cards prevents system-wide failures
Rapid Troubleshooting – Onboard RUN/FAIL LEDs enable immediate visual fault identification
Local I/O Bus Management – Acts as the sole bridge between the DPU controller and 1C31 series local I/O cards
16-Slot I/O Capacity – Supports up to 16 analogue or digital I/O cards per interface board
High-Speed Parallel Bus – 2 Mbps data transfer rate for deterministic communication
2500 VAC Galvanic Isolation – Electrical isolation between I/O field side and system side
Signal Conditioning – Adapts 4–20 mA, 0–10 V, dry/wet contact signals
Dual DPU Redundancy – Supports two DPU controllers with seamless failover
Hot-Swap Capability – I/O cards can be replaced online without system interruption
Onboard Diagnostic LEDs – RUN/FAIL LEDs for rapid status indication
Overvoltage/Overcurrent Protection – Built-in protection with automatic faulty card isolation
Remote Diagnostics Support – DPU can read board status for remote monitoring
Q1: What is the primary function of the 3A99158G01?
A1: The 3A99158G01 (also 4PCRL1) is a local I/O interface board that acts as the communication bridge between the DPU controller and 1C31 series I/O cards in older Emerson Ovation rack systems.
Q2: Is the 3A99158G01 still in production?
A2: No. The 3A99158G01 is a discontinued spare part. There is no direct replacement; system upgrades require migrating to a WH1 rack with a 1X01046H01L power supply.
Q3: What is the power requirement for this module?
A3: The 3A99158G01 is powered by the rack backplane at 5 VDC ±5%, 3A, with a maximum power consumption of 15 W.
Q4: How many I/O cards can the 3A99158G01 support?
A4: The 3A99158G01 supports up to 16 local I/O cards (1C31 series) including analogue and digital types.
Q5: Does the 3A99158G01 support redundant DPU configurations?
A5: Yes. The 3A99158G01 supports dual DPU redundancy with seamless failover and hot-swappable I/O card replacement without system interruption.
Inquiry Now :[email protected]
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