High-speed Counters
5-1-5
High-speed Counter Terminal Allocation
Differential Phases, Up/
Down, or Pulse + Direction
184
The following diagrams show the input terminals that can be used for high-
speed counters in each CPU Unit.
Input Terminal Arrangement for CPU Units with 10 I/O Points
High-speed counter 0
(Phase B, Decrement,
or Direction input)
Upper Terminal Block
(Example: AC Power
Supply Modules)
High-speed counter 0
(Phase A, Increment,
or Count input)
High-speed counter 1
(Phase A, Increment,
or Count input)
Input Terminal Arrangement for CPU Units with 14 I/O Points
High-speed counter 0
(Phase B, Decrement, or
Direction input)
Upper Terminal Block
(Example: AC Power
Supply Modules)
High-speed counter 0
(Phase A, Increment, or
Count input)
High-speed counter 1
(Phase A, Increment, or
Count input)
Input Terminal Arrangement for CPU Units with 20 I/O Points
High-speed counter 0
(Phase B, Decrement, or
Direction input)
Upper Terminal Block
(Example: AC Power
Supply Modules)
High-speed counter 0
(Phase A, Increment, or
Count input)
High-speed counter 1
(Phase A, Increment, or
Count input)
L1
L2/N COM
01
00
02
L1
L2/N CO M
0 1
0 0
L1
L2/N COM
01
0 3
00
0 2
Section 5-1
High-speed counter 1
(Phase B, Decrement,
or Direction input)
High-speed counter 1
(Phase Z or Reset input)
03
05
04
High-speed counter 0
(Phase Z or Reset input)
High-speed counter 1
(Phase B, Decrement, or
Direction input)
High-speed counter 1
(Phase Z or Reset input)
03
05
07
NC
02
04
0 6
NC
NC
High-speed counter 0
(Phase Z or Reset input)
High-speed counter 1
(Phase B, Decrement, or
Direction input)
High-speed counter 1
(Phase Z or Reset input)
05
07
09
11
04
06
0 8
10
High-speed counter 0
(Phase Z or Reset input)
N C