Set the rotary switch to the highest range (2000 Ωcap omega
: When using PID mode, change the AT parameter from oFF to on . The controller will automatically execute an oscillation sequence to measure system thermal inertia, calculation optimal Proportional ( ), Integral ( ), and Derivative ( ) values without manual mathematical modeling. 4. Maintenance and Troubleshooting
The DIG 400A Series Manual provides the following core operational details for these single-station controllers:
Before installing the MD-400A, understanding its specifications is crucial. Digicon MD-400A (MD-A Series) Dimensions: 48 x 48 mm (DIN 1/16) Display: 4-digit 7-segment LED Input Sensor Types: Thermocouple (K, J, R, T), RTD (Pt100) Control Methods: PID (with Auto-Tuning), ON-OFF Output Control: Relay (1 Relay, 1 SSR) Alarm Functions: Control Loop Break Alarm included Sampling Speed: 0.1 seconds (100 ms) 3. Installation and Wiring Guide
