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Operating System |
Ovation |
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Module Type |
Q-Line QSE |
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Model Number |
7380A36G01 |
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Processing Power |
1.6GHz Dual-Core CPU |
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Network Interface:Ethernet |
10/100/1000 Mbps |
Emerson Ovation 7380A36G01 Q-Line QSE Card

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About 7380A36G01
The Emerson Ovation 7380A36G01 (Q-Line QSE) is a specialized Sequence of Events (SOE) subsystem card. It is used in legacy Westinghouse WDPF and Emerson Ovation Distributed Control Systems (DCS) to monitor field status points and provide highly accurate, time-tagged records of changes in plant status.
About Sequence of Events Module
The Sequence of Events module provides 16 digital channels to monitor the open or closed state of digital inputs or contacts in the field. The module provides a filter to reject changes of state less than 4 milliseconds. The Sequence of Events module can also perform event tagging and chatter control for each input channel.
The Ovation Controller writes a channel event tagging mask to the Electronics module to enable event tagging for specific input channels. It has a chatter control flag for each channel to indicate that an input channel has changed state too many times in a period of time or is changing state at too fast a rate. It also has a channel ID to indicate which channel changed state.
Each channel is checked every 125 microseconds. If the channel event tagging mask bit is zero, that channel is not checked. Time synchronization is accomplished by the Ovation Controller writing a time reference simultaneously to all Sequence of Events modules with a 1 millisecond resolution.
Digital Input Field Interface
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The Digital Input configuration contains 16 channels, where each channel has voltage level sensing circuitry used to detect whether an input is on or off. The Sequence of Events module has 16 isolated differential inputs to accommodate separate external auxiliary supplies, or 16 single-ended (common return) digital inputs with an on-card blown fuse detector to accommodate a common external auxiliary supply for all channels. The selection of the Personality module determines if the inputs are differential or single-ended. The input voltage level monitored by the module is determined by the particular card group in the module. |
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The field side circuitry for the single-ended configuration is shown in Figure 1, and the differential configuration in Figure 2. An input resistor provides the normal mode surge protection and limits the current during normal operation. An opto-isolator provides high dielectric isolation between the field side and the logic or I/O bus side. The Single-Ended Digital Input configuration has a circuit used to monitor the presence of the wetting supply. Two cases cause this monitor circuitry to report a blown fuse status and issue an attention status to the Ovation Controller: |
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l Fuse is blown on the PDIA. l Auxiliary supply level is lower than minimum On Input Voltage. |
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Figure 1
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Figure 2
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FAQ-7380A36G01
Q1: How does the 7380A36G01 contribute to enhanced operational robustness and signal-processing reliability within sophisticated industrial automation architectures?
A1: The 7380A36G01 is engineered to deliver stable performance, dependable signal handling, and seamless integration within process control systems, supporting continuous plant operation and control accuracy.
Q2: Why is the 7380A36G01 regarded as a strategic component for facilities pursuing long-term lifecycle optimization and system availability?
A2: The 7380A36G01 is designed for industrial durability and sustained operational consistency, helping reduce maintenance interventions and extend the service life of critical automation assets.
Q3: What diagnostic and fault-management capabilities make the 7380A36G01 suitable for mission-critical process control applications?
A3: The 7380A36G01 supports advanced monitoring and diagnostic functions that enable rapid fault identification, streamlined troubleshooting, and proactive maintenance planning.
Q4: How can the 7380A36G01 facilitate interoperability within existing distributed control system infrastructures while minimizing integration complexity?
A4: The 7380A36G01 is designed to operate efficiently within compatible automation platforms, supporting reliable communication pathways and simplifying system expansion or modernization projects.
Q5: Which technical parameters should engineers evaluate when specifying the 7380A36G01 for deployment in demanding industrial environments?
A5: Engineers should assess factors such as electrical compatibility, environmental operating conditions, communication requirements, installation constraints, and system architecture to ensure the 7380A36G01 achieves optimal performance and reliability.
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