Rockwell-automation 1794-ID2 U.MNL INCREMENTAL ENCODER Manuale Utente Pagina 16
- Pagina / 88
- Indice
- SEGNALIBRI
Valutato. / 5. Basato su recensioni clienti
1–4 Overview of the Incremental Encoder Module
+#"*"&% / .
The counter module handles up/down counting and detection of
selectable number of edges (X1, X2, X4) for incremental encoders
with 2 pulse trains, nominal 90
o
out of phase. The minimum stable
input condition is 2µs.The following paragraphs detail operation of
the incremental encoder module.
Each of the 2 counters has a 16–bit counter register, a preset register
and a latch register.
Variables
Communication between the counter module and the control system
uses variables accessible in the control system program. These
variables include:
• a counter register (Counter)
• a preset register (PresetValue)
• a latch register (LatchValue).
Signal registers and control words are used to set parameters for the
counter configuration. The control word sent to the incremental
encoder module can be read back to the control system, allowing
verification that one I/O scan been performed since the cycle has
been initiated.
Start Counting
The control bit CounterEnable enables counting. It must be set to 1
to enable counting and all other functions.
Selecting the incremental encoder and up/down counting
Depending on the incremental encoder, the module can be set in
different counter modes. The parameter is set using a 3 digit code in
write word 1 or 2 (depending on the channel) control word.
Mode Selection
"* & #*"&% "*)
&+%*"% &% '&)"*", (")"% & "%'+* )" %# '-%
&+%*"% *($"% .
+(*+( %&(
+(*+( %&(
+(*+( %&(
&+%*"% +' &% *! '&)"*", & "%'+* )" %# % &-%
&% '&)"*", & "%'+* )" %#
& &+%* +%*"&%
& &+%* +%*"&%
& &+%* +%*"&%
How the incremental
encoder Operates
- !%$ 1
- "$ 1
- " % 1
- '"& 1
- Important User Information 2
- 3
- Using This Manual 5
- Conventions 6
- For Additional Information 6
- Using This ManualP–4 8
- Table of Contents 9
- Chapter 3 10
- Chapter 4 10
- Chapter 5 10
- Chapter 8 11
- Appendix A 11
- Chapter 6 11
- Chapter 7 11
- Table of Contents 12
- Overview of the Incremental 13
- Encoder Module 13
- What the Incremental 14
- Encoder Module Does 14
- Typical Applications 15
- Input Capabilities 15
- How the incremental 16
- ('-& 18
- Preset Function 19
- Gate Function 19
- Store Function 20
- Limitation Function 20
- Filter Function 21
- Chapter Summary 22
- How to Install Your 23
- Incremental Encoder Module 23
- Power Requirements 24
- Installing the Module 26
- Panel/Wall Mounting 28
- Connecting Wiring for 31
- Your incremental encoder 31
- 1794ĆTBN, ĆTBNF 33
- Module Indicators 36
- Programming Your 37
- PLCĆ2 Family Processor 38
- PLCĆ5 Family Processor 38
- SLCĆ5 Programming 39
- Program Action 40
- Writing Configuration to and 45
- Reading Status from Your 45
- Module with a Remote I/O 45
- Reading Data From Your 46
- Mapping Data for the 46
- Encoder Module (1794-ID2) 47
- How Communication Takes 53
- Place and I/O Image Table 53
- Mapping with the DeviceNet 53
- System Throughput 55
- Mapping Data into the 55
- Image Table 55
- Defaults 61
- Input, Output and 63
- Modules when used with 63
- ControlNet 63
- # ! ! 64
- I/O Structure 65
- Safe State Data 66
- Device Actions 66
- Communication Fault Behavior 67
- Idle State Behavior 67
- Module Image 68
- Pulse Counter Module 68
- Calibrating Your Incremental 75
- Calibration Method 1 76
- Calibration Method 2 77
- Troubleshoot the Incremental 79
- What's Next 80
- 81
- AllenĆBradley 85
- Publication Problem Report 85
- BUSINESS REPLY MAIL 86
- Support Services 87
- (8;5.@3./ ;/9;/</7=+=387 88
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