Description
1738-VHSC24M23 A-B ArmorPoint Very High Speed Counter
Product Dimensions：
Product Description (Detailed Explanation)
The 1738-VHSC24M23 is a distributed I/O module that connects to a DeviceNet, ControlNet, or EtherNet/IP network via an ArmorPoint adapter.
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Function: It is specifically engineered to interface with high-speed sensors and encoders. It can process pulse streams much faster than standard PLC input cards, making it suitable for precise motion and position tracking.
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Design: It features a highly durable, sealed housing with M12 (Micro-style) connectors. This allows it to be mounted directly on a machine frame, reducing wiring runs and improving signal integrity.
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Intelligent Features: The module includes on-board logic for frequency measurement, pulse width monitoring, and windowed counting, offloading these high-speed tasks from the central PLC processor.
Product Parameters (Technical Specifications)
| Parameter Category | Specification |
| Product Line | ArmorPoint I/O (Series 1738) |
| Module Type | Very High Speed Counter (VHSC) |
| Number of Channels | 1 Channel (Incremental Encoder or 2 Single-ended) |
| Input Voltage | $24\ V\ DC$ (Nominal) |
| Max. Input Frequency | $1\ MHz$ (Counter/Encoder) |
| Connectors | 5-pin M12 (Micro) Connectors |
| Isolation | $50\ V$ (Continuous), Basic Insulation Type |
| Power Consumption | $1.5\ W$ at $24\ V\ DC$ |
| Enclosure Rating | IP67 / IP69K (Waterproof and Washdown-rated) |
Product Advantages (Key Benefits)
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On-Machine Mounting: Its IP67/IP69K rating eliminates the need for expensive junction boxes or control cabinets, significantly lowering installation costs.
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Exceptional Speed: With a $1\ MHz$ counting frequency, it can track high-resolution encoders and fast-moving targets that standard I/O modules would miss.
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Reduced Wiring: By placing the I/O closer to the sensors on the machine, you minimize electrical noise interference and reduce cable costs.
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Sub-millisecond Response: The module can trigger local outputs based on the counter value (Window comparison) with minimal latency, independent of the network scan time.
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Ruggedized Reliability: Specifically built to withstand high vibration, mechanical shock, and the harsh chemicals used in washdown environments (food and beverage industry).
Precautions (Important Notes)
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Connector Integrity: To maintain the IP67 rating, all unused M12 ports must be sealed with the appropriate protective caps.
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Shielding: High-speed signals are susceptible to EMI. Always use shielded cables for encoder connections and ensure the shield is properly grounded at one end.
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Power Supply: Ensure the $24\ V\ DC$ power supply is stable and separate from high-power inductive loads (like motors or large solenoids) to prevent voltage spikes from damaging the module.
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Termination: If using long cable runs at high frequencies, verify if line termination resistors are required to prevent signal reflection.
Product Applications (Typical Use Cases)
The 1738-VHSC24M23 is widely used in high-speed, decentralized automation:
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High-Speed Packaging: Measuring film length, controlling bag cutting, or tracking products on high-speed conveyors.
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Material Handling: Reading rotary encoders for precise positioning of automated guided vehicles (AGVs) or sorting systems.
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Bottling & Canning: Synchronizing the speed of rotating fillers and cappers in washdown-heavy environments.
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Positioning Systems: Calculating the exact location of a linear actuator or motor shaft using pulse-train feedback.
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Flow Measurement: Interfacing with high-frequency pulse-output flow meters for precise liquid dosing.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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