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Omron H7CX-R11-N H7CX Series Digital Tachometer

Omron H7CX-R11-N H7CX Series Digital Tachometer

Only 2 item(s) left in stock
  • Manufacturer: Omron

  • Product No.: H7CX-R11-N

  • Country of origin:Japan

  • Product Type: Digital Tachometers

  • Payment: T/T, Western Union

  • Weight: 2000g

  • Dimensions: 10.0 cm x 6.0 cm x 6.0 cm

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Designed for high-precision rotational speed and flow rate monitoring, the Omron H7CX-R11-N serves as a highly configurable 6-digit digital tachometer within industrial automation loops. This DIN 48 x 48 mm panel-mounted unit provides clear, real-time feedback with its programmable, dual-color negative transmissive LCD display. Engineered for versatility, the system seamlessly interfaces with proximity sensors, rotary encoders, and photoelectric switches, rendering it highly dependable for monitoring complex mechanical speeds. The integrated 11-pin socket configuration facilitates rapid backplane installation and simplified field swaps without disturbing control cabinet wiring layouts.

Features

  • Programmable Color Change: Dynamic red/green display logic allows instantaneous visual warning alerts directly from the factory floor.
  • Broad Input Compatibility: Accepts NPN or PNP transistor inputs and dry contact closures with field-configurable electronic filter speeds.
  • Compact Housing: Space-saving cabinet depth of only 84 mm when paired with standard rear-mounting terminal sockets.
  • Non-Volatile Memory: EEPROM backup guarantees complete configuration and count retention through unexpected power interruption phases.
  • Auxiliary Sensor Power: Built-in 12 VDC power source reduces external component footprints by supplying power directly to primary sensors.

Applications

  • Rotational velocity measurements (RPM) on conveyor motor shafts and industrial mixers.
  • Flow rate integration and pulse monitoring in water processing plants and chemical dosing skids.
  • Line speed tracking and web handling calculations in textile, packaging, and paper conversion processes.

Technical Specifications

Specification Parameter Value / Details
Manufacturer Omron Industrial Automation
Model Number H7CX-R11-N
Product Type Multifunction Counter/Tachometer (Tachometer Mode)
Supply Voltage 100 to 240 VAC at 50/60 Hz
Display Digits 6 digits (range: -99999 to 999999)
External Connections 11-pin socket
Output Types SPDT Contact (250 VAC / 30 VDC, 3A resistive) and NPN Open Collector (30 VDC, 100 mA max)
Max. Input Frequency 30 Hz or 10 kHz (selectable software parameter)
External Power Supply 12 VDC (plus/minus 10%), 100 mA
Operating Temperature -10 to 55 degC (no icing or condensation)
Mounting Format Panel cutout (45 x 45 mm) or surface/DIN-rail with optional socket
Shipping Weight (Calculated) 0.35 kg
Package Dimensions (Calculated) 10.0 cm x 6.0 cm x 6.0 cm

Connections and Interfaces

Terminal / Pin Number Signal Assignment Electrical Specifications
Pin 1 Signal Input Common (COM) 0 VDC reference for sensor inputs
Pin 2 AC Power Supply (L1) 100 to 240 VAC, 50/60 Hz input
Pin 3 Sensor Auxiliary Power Source 12 VDC output, 100 mA maximum
Pin 4 Input CP1 (Count Pulse 1) Tachometer measurement channel A
Pin 5 Input CP2 / Gate Input (Count Pulse 2) Phase measurement channel B or inhibit function
Pin 6 Reset Input Digital reset loop (dry contact or solid-state)
Pin 7 AC Power Supply (L2/N) 100 to 240 VAC, 50/60 Hz neutral
Pin 8 Control Output Contact COM Common terminal for mechanical relay
Pin 9 Control Output Contact NC Normally closed relay terminal
Pin 10 Control Output Contact NO Normally open relay terminal
Pin 11 Transistor Output (Collector) NPN Open Collector output, 30 VDC max

Alternative Models & Compatibility

The updated "N" suffix designation represents Omron's current product revision, replacing legacy H7CX units. It features an optimized casing depth and redesigned menu architectures. Standard 11-pin bases, such as the Omron P2CF-11 (for front-panel mounting) and P3GA-11 (for back-mounting/sub-panel), are fully compatible with this unit, meaning physical infrastructure modifications are unnecessary when upgrading from older H7CX series devices.

Application Pitfalls & Engineering Notes

When deploying the unit as a high-speed tachometer, the input speed selection parameter must be verified. If utilizing mechanical switches or relays as input sensors, the system speed must be set to 30 Hz. Leaving the speed configured to 10 kHz can cause extreme measurement errors due to contact bounce, which the high-speed microprocessor reads as valid pulses. Always isolate control cables from motor power phases to eliminate signal distortion.

Commissioning & Wiring Tips

For electrical noise immunity, ensure that standard NPN/PNP sensor signal lines are run inside grounded metal conduits. If using three-wire proximity sensors, configure the internal logic parameter via the system menus to match your sensor configuration. Pin 3 supplies 12 VDC; please confirm that the total current draw of connected sensors does not exceed 100 mA, or else the internal overload protection will trigger, resulting in device measurement failure.

Installation Guidelines

CRITICAL WARNING

Isolate and de-energize all AC power sources feeding the control enclosure prior to handling terminals or plugging the 11-pin unit into its socket. Failure to safely isolate these circuits can result in severe electrical shock, component failure, or permanent destruction of the internal solid-state components.

1

Ensure a standardized panel cutout of 45 x 45 mm (1/16 DIN) is prepared on a clean panel surface free of metallic dust.

2

Wire the 11-pin terminal socket (e.g., P2CF-11) firmly in accordance with the terminal pin diagram, securing screw terminals with a maximum torque of 0.5 N-m.

3

Insert the main housing into the panel cut-out from the front, then secure it using the Y92F-30 adapter from the rear.

4

Apply power, step through the basic programming modes to establish input speed parameters, output response times, and target scaling limits before turning on field machinery.

How do you switch between NPN and PNP input modes on this model?

The input selection (NPN/PNP) is configured digitally within the internal function selection menu. Ensure the setting matches your physical sensor type to prevent registration failures.

Can this tachometer provide power directly to an external proximity sensor?

Yes. Pin 3 provides a 12 VDC (+/- 10%) power supply output up to 100 mA, which is sufficient to power standard 3-wire proximity or photoelectric sensors.

What is the function of the 10 kHz count speed setting?

The 10 kHz maximum response frequency is designed for high-speed pulse inputs from rotary encoders. For slower mechanical limit switches, configure the input filter to 30 Hz to eliminate contact bounce.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Japan

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