- Detach the old ET 200M/S7-300 front adapter with the existing field cabling
- Remove the old controller
Migration adapter, controller: Upgrade from Siemens SIMATIC® S7-300/ET 200M to Siemens SIMATIC® ET 200SP HA, connection 1: D-SUB pin strip 1x 37-position, connection 2: Spade connection 20-position (2,8 x 0,8), connection 3: Push-in connection 2x 2-position