1747-L511 memory capacity: 1K, Max IO: 3940 Built-DH-485 communication port from the station
1747-L514 memory capacity: 4K, Max IO: 3940 Built-DH-485 communication port from the station
1747-L524 memory capacity: 4K, Max IO: 4096 Built-DH-485 communication port
1747-L531 memory capacity: 8K, max IO: 4096 Built-DH-485 or RS232
1747-L532 Memory Capacity: 16K, max IO: 4096 Built-DH-485 or RS232
1747-L541 Memory Capacity: 16K, max IO: 4096 Built-in DH + and RS232
1747-L542 Memory Capacity: 32K, max IO: 4096 Built-in DH + and RS232
1747-L543 Memory Capacity: 64K, max IO: 4096 Built-in DH + and RS232
1747-L551 Memory Capacity: 16K, max IO: 4096 Ethernet and RS232
1747-L552 Memory Capacity: 32K, max IO: 4096 Ethernet and RS232
1747-L553 Memory Capacity: 64K, max IO: 4096 Ethernet and RS232