Key Parameters
Parameter Specification
Model Yokogawa F3SP66-4S
Type High-Speed Counter Module
Number of Channels 4 channels (independent or synchronized)
Input Signal Type Differential (Line Driver) or Single-ended
Maximum Count Speed 500 kHz (differential), 200 kHz (single-ended)
Count Range 32-bit (-2,147,483,648 to +2,147,483,647)
Input Voltage 5 V DC (differential), 12/24 V DC (single-ended)
Isolation Photocoupler isolation (channel-to-channel and channel-to-ground)
Functions Counting, frequency measurement, compare, latch, preset, circular counting
Response Time ≤1 μs (for high-speed inputs)
Operating Temperature 0°C to 55°C (32°F to 131°F)
Storage Temperature -25°C to 75°C (-13°F to 167°F)
Humidity Range 5-95% RH (non-condensing)
Compatibility Yokogawa FA-M3 Series PLC Base Units
Connection Method Removable terminal block
Diagnostic Indicators LED per channel (status/error)
Programming Support Compatible with FA-M3 programming tools
Key Features
High-Speed Counting: Supports up to 500 kHz for precise motion control applications.

Multi-Channel Operation: Four independent channels for flexible system design.

Differential Inputs: Noise-resistant signals for reliable operation in electrically noisy environments.

Advanced Functions: Compare, latch, and preset capabilities for complex sequencing.

Isolation Protection: Photocoupler isolation ensures signal integrity and safety.

Easy Integration: Seamless compatibility with FA-M3 PLC systems and programming software.

Applications:

Rotary encoder feedback for motor control

Production line counting and sequencing

Speed and position measurement in conveyors

Frequency monitoring in process automation

High-speed packaging machinery