Series 90-30 PLC Model 331/341/351-Expanded System ■■ Model 331/341 5 Racks Total. 49 Slots e Model 351 8 Racks Total. 79 Slots 50 Ft Maximum for Local Expansion O 1■■■ 700 Ft Maximum for Remote Expansion 1 /O Series9030-022894Series 90-30 - 02/28/94 p6 Series 90TM -30 PLC Model 331/341/351 - Expanded System • Model 331/341 5 Racks Total, 49 Slots • Model 351 8 Racks Total, 79 Slots • 50 Ft. Maximum for Local Expansion I/O • 700 Ft. Maximum for Remote Expansion I/O CPU Baseplate Expansion Baseplate Expansion Baseplate Remote Baseplate Remote Baseplate