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SLN-94 Up-Down and Down-Up Pulse Counter with Batching Function

Meet the SLN-94 Counter, a versatile solution for pulse counting and control. It features straightforward inputs for counting, holding, stopping, and starting, and is capable of up-down counting across three decades. With a single program register for batching functions, it’s user-friendly and efficient. The SLN-94 includes two relay outputs (N.O.) with adjustable thresholds, perfect for controlling external devices and compatible with both NPN and PNP sensors. Its digital debouncing filter accommodates simple contactors as sensors, and the 24V DC sensor supply output powers various sensors. Easily configurable via a local keyboard or S-Config software through RS-485, the SLN-94 is an ideal choice for comprehensive pulse counting and control.

SLN 94 Pulse Counter Product Parameters

  • Output Signal: Dual LED display, red (PV) and green (SV), 3 digits each.
  • Electrical Connections: RS-485, 1200 – 115200 bit/s, Modbus RTU.
  • Media Compatibility: Inputs for pulse, up-down counting, count lock, program control.
  • Special Features: IP 65 front protection, non-volatile EEPROM memory, panel mounting.

Product Highlights

The SLN94 counter is a versatile device equipped with various features to facilitate efficient counting operations. It offers single counting, hold, stop, and clear/start inputs, allowing for precise control over the counting process. Designed for up-down counting of pulses in three decades, the counter incorporates a single program register that enables programming of the batcher function. With two built-in relay outputs (N.O.) and selectable thresholds and modes of operation, the SLN94 counter can effectively control external devices according to specific requirements. It supports both NPN and PNP type sensors, thanks to its internal digital denouncing filter, making it compatible with simple contactors used as sensors. Moreover, the counter includes a built-in sensor supply output (24V DC), which can be utilised to power contactors and certain electronic sensors. Configuration options are flexible, allowing users to customise settings using the local keyboard or the free S-Config software via the RS-485 communication port.


  • Up-down and down-up pulse counter with batching function
  • Settable activation threshold
  • 1 pulse counting input / 3 control inputs
  • 4 counter-reset sources
  • 2 REL / OC outputs
  • Double LED display
  • RS-485 / Modbus RTU
  • Free configuration software S-Config

To download the latest datasheet click here: SLN 94

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