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2-2
Installation................................................................................................................................ 2-6
2-2-1
System Configuration Precautions ............................................................................................. 2-6
2-2-2
Installing Units ............................................................................................................................ 2-6
2-3
Wiring ....................................................................................................................................... 2-8
2-3-1
Connector Pin-layout .................................................................................................................. 2-8
2-3-2
Connector Wiring Methods ......................................................................................................... 2-9
2-3-3
Important Wiring Considerations .............................................................................................. 2-13
2-3-4
Internal Circuitry ....................................................................................................................... 2-13
2-3-5
Digital I/O Circuit Configurations............................................................................................... 2-15
2-3-6
Counter Input Configurations.................................................................................................... 2-17
Section 3
Operation and Configuration
3-1
Overview................................................................................................................................... 3-2
3-1-1
Summary .................................................................................................................................... 3-2
3-1-2
List of Functions/Allocation Areas by Purpose ........................................................................... 3-2
3-2
Counter Types.......................................................................................................................... 3-6
3-2-1
Simple Counter ........................................................................................................................... 3-7
3-2-2
Circular Counter........................................................................................................................ 3-10
3-2-3
Linear Counter .......................................................................................................................... 3-12
3-3
Input Signal Types ................................................................................................................. 3-14
3-3-1
Phase Differential ..................................................................................................................... 3-14
3-3-2
Up & Down Pulse...................................................................................................................... 3-15
3-3-3
Pulse & Direction ...................................................................................................................... 3-16
3-4
Digital Input Functions.......................................................................................................... 3-17
3-5
Output Control ....................................................................................................................... 3-21
3-5-1
Range Mode ............................................................................................................................. 3-23
3-5-2
Comparison Mode .................................................................................................................... 3-29
3-5-3
Manual Output Control.............................................................................................................. 3-36
3-5-4
Output Control Configuration .................................................................................................... 3-37
3-6
Reset Counter ........................................................................................................................ 3-38
3-7
Extra Functions ..................................................................................................................... 3-40
3-7-1
Programmable Output Pulses................................................................................................... 3-40
3-7-2
Hysteresis ................................................................................................................................. 3-42
3-7-3
Noise Filtering........................................................................................................................... 3-43
3-7-4
Initial Counter Value.................................................................................................................. 3-44
Section 4
4-1
Overview................................................................................................................................... 4-2
4-1-1
Data Flow.................................................................................................................................... 4-2
4-1-2
Unit Restart................................................................................................................................. 4-4
4-1-3
Access from User Program......................................................................................................... 4-5
4-2
Memory Allocation .................................................................................................................. 4-7
4-2-1
Memory Mapping........................................................................................................................ 4-7
4-2-2
Allocating Ranges and Comparison Data................................................................................... 4-7
4-2-3
Details of Device Variables for CJ-series Unit (for input/output) ............................................... 4-11
4-2-4
Details of Device Variables for CJ-series Unit (for setting) ....................................................... 4-16
4-2-5
Memory Allocation for Ranges.................................................................................................. 4-23
4-2-6
Memory Allocation for Comparison data .................................................................................. 4-27
CJ-series High-speed Counter Units Operation Manual for NJ-series CPU Unit(W492)
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