PLC-5/20E Processor Overview
| Cat. No. | Processor | User Memory Words, Max.⋆ | Memory Types | Total I/O, Max. | Analog I/O, Max. | I/O Scan Time per Rack∆ |
| Ethernet PLC-5 Processors | ||||||
| 1785-L20E | PLC-5/20E | 16K | •Battery-backed static RAM •EEPROM program backup option using 1785-ME16, -ME32, and -ME64 |
•512 (any mix) or •512 in + 512 out (complementary) |
512 | •10 ms at 57.6 kbit/s •7 ms at 115.2 kbit/s •3 ms at 230.4 kbit/s |