... air-conditioning3. Extruders, automatic production lines and bottle blow units;4. Foodstuff machinery, mixers, light industrial machinery, pharmaceutical machinery5. ... frequency functions:4. multi-functional 4-way digital input, 1-way high speed instant pulse input, 2-way analog input, 2-way relay output ... (Steps at 2.2KW or below) and 1-way analog volume output;5. Instant power disconnection but no ...