Schneider Electric – STBEHC3020KC – Modicon STB 1‑Channel High‑Speed Counter

The Schneider Electric STBEHC3020KC is a high-speed counter kit from the modular Modicon STB distributed I/O range. It includes the STBEHC3020 counter module, STBXBA3000 DIN rail base, and STBXTS215018 terminal spring-clamp connector. Designed for demanding industrial environments, it supports high-frequency counting and advanced event detection.

Key Features:

• Model: STBEHC3020KC

• Brand: Schneider Electric (Modicon STB system)  

• Kit Composition: Includes counter module, DIN-rail base, spring clamp terminal connector

• Inputs: 2 channels compatible with 2-/3‑wire photoelectric sensors, mechanical contacts, proximity sensors, incremental encoders  

• Counting Frequency: 0–40 kHz maximum  

• Counter Functions: Frequency measurement, event counting, up/down counting, loop (modulo) counting, time period measurement  

• Supply Voltage: 24 V DC (19.2–30 V); input current ~6 mA  

• Logic & Filtering: Digital inputs – 0 ms @ 40 kHz, 0.4 ms @ 1 kHz, 1.2 ms @ 400 Hz; analog inputs 2.5 µs; auxiliary input 25 µs  

• Outputs: 24 V DC, up to 0.5 A; configurable positive/negative logic; leakage <0.1 mA; dropout voltage <3 V; max inductance 500 mH  

• Protection: Electronic overload & short-circuit current limiting; manual/automatic reset; fall-back status configurable; supports hot-swapping  

• Indicators: LED indications for input channels, enable, ready, reset, outputs, and fault  

• Mounting & Compatibility: 35 mm DIN-rail; compatible with STBXBA3000 base, STBPDT3100/05 power distribution modules; IP20; hot-swappable  

• Dimensions: 128.3 × 70 × 28.1 mm; weight ~0.16 kg  

• Environment: –25 °C to +70 °C operating; storage –40 °C to +85 °C; up to 95 % humidity; vibration 3 g–5 g, shock resistance 30 g; altitude ≤2,000 m  

• Certifications: CE, UL, CSA, FM Class 1 Division 2; IEC 61131-2; pollution degree 2; overvoltage category II  

• RoHS & Green Premium: Yes; MTBF typical per Modicon STB specs