... pumps, constant voltage water supply, central air-conditioning3. Extruders, automatic production lines and bottle blow units;4. Foodstuff machinery, mixers ... 3. 16-section simple PLC, multi-rate and PID control, swing frequency functions:4. multi-functional 4-way digital input, 1-way ... Instant power disconnection but no power off function;6. Automatic voltage regulation: In the case of any change in ...