| Processor/ Cat. No. |
Maximum User Memory Words |
EEPROM Module Memory (Words) & Module Number |
Total I/O Maximum (any mix) |
Analog I/O Max |
Program Scan Time / K Word |
I/O Scan time/Rack (in a single Chassis, extlocal or remote) |
Multiple MCPs / Quantity |
| PLC5/10 (1785LT4) |
6 K | 8K (1785MJ) | •512 (32I/O modules) •256 (16I/O modules) •128 (8I/O modules) |
256 | 2 ms (discrete logic) 8 ms (typical) |
N/A | No / 1 |
| PLC5/12 (1785LT3) |
6 K | 8K (1785MJ) | •512 (32I/O modules) •256 (16I/O modules) •128 (8I/O modules) |
256 | 2 ms (discrete logic) 8 ms (typical) |
•10 ms @ 57.6 kbps (remote) |
No / 1 |
| PLC5/15 (1785LT) |
6K expandable to 10K or 14K |
8K (1785MJ) | •512 (any mix) or •512 in + 512 out (complementary) |
5012 | 2 ms (discrete logic) 8 ms (typical) |
•10 ms @ 57.6 kbps (remote) |
No / 1 |
| PLC5/25 (1785LT2) |
13K expandable to 17K or 21K |
8 K (1785MJ) or 16 K (1785MK) |
•1024 (any mix) or •1024 in + 1024 out (complementary) |
1024 | 2 ms (discrete logic) 8 ms (typical) |
•10 ms @ 57.6 kbps (remote) |
No / 1 |
| Processor/ Cat. No. |
Number of Remote I/O, ExtendedLocal I/O, and DH+ Ports |
Maximum Number of I/O Racks |
Maximum Number of I/O Chassis |
Number of RS 232/ 422/ 423 ports |
Remote I/O Transmission Rates 1 |
Backplane Current Load |
||
| Total | Ext Local | Remote | ||||||
| PLC5/10 (1785LT4) |
•1 DH+ | 1 | 1 | 0 | 0 | 0 | — | 2.5A |
| PLC5/12 (1785LT3) |
•1 DH+ •1 Remote I/O (Adapter Only) |
4 | 1 | 0 | 0 | 0 | 57.6 kbps | 2.5A |
| PLC5/15 (1785LT) |
•1 DH+ •1 Remote I/O (Adapter or Scanner) |
4 | 13 | 0 | 12 | 0 | 57.6 kbps | 2.5A |
| PLC5/25 (1785LT2) |
•1 DH+ •1 Remote I/O (Adapter or Scanner) |
8 | 17 | 0 | 16 | 0 | 57.6 kbps | 2.5A |