
Hardware Components
Processor Comparison
1-6
Comparison Chart for
PLC-5 Family Processors
Processor
Memory
(Words)
Local
Chassis
Remote Chassis
(I/O Racks)
I/O Capacity
Communication
PLC-5/10
6K
1 resident
none
128 (8-pt)
1
, 256 (16-pt)
1
, 512 (32-pt)
1
DH+ link
PLC-5/12
6K
1 resident
none
128 (8-pt)
1
, 256 (16-pt)
1
, 512 (32-pt)
1
adapter, DH+ link
PLC-5/15
6K
(expands to
14K)
1 resident
12
(3 I/O racks)
• 512
1
• 512 inputs and 512 outputs using 16- or
32-pt modules
2
adapter/remote I/O scanner, DH+ link
PLC-5/25
13K
(expands to
21K)
1 resident
28
(7 I/O racks)
• 1024
1
• 1024 inputs and 1024 outputs using 16-
or 32-pt modules
2
adapter/remote I/O scanner, DH+ link
PLC-5/11
8K
1 resident
4
(1 I/O rack)
rack must be
addressed as rack
3
• 256 (8-pt), 384 (16-pt), or 512 (16-pt)
1
• 512(16-pt) or 768 (32-pt)
2
• 1 channel (remote I/O scanner, adapter, DH+ link)
• 1 RS-232, RS-422, RS-423 serial port
1
Any mix of I/O
2
Maximum I/O possible using 16-pt modules with 2-slot addressing or 32-pt modules with 1-slot addressing. Modules must alternate input/output in the chassis slots.