Rockwell-automation 2705 REDIPANEL KEYPAD MODULE USER MANUAL Manual de usuario descargar pdf (Pagina 83)

Chapter 8

Maintenance and Troubleshooting

8–3

• Have you changed the settings of any of the DIP switches? New DIP

switch settings will not be acknowledged until power is recycled. Refer

to Chapter 5.

• If you do not have the communications LED ON and all of your DIP

switches seem correct – check the remote I/O link wiring. You may need

to reverse the blue and clear wires.

• If your 120 Volt AC is intermittent be sure your 120/240 Volt AC

selectable switch is set properly.

1 2 ... 78 79 80 81 82 83 84 85 86 87 88 ... 92 93

Bulletin 2705 1
RediPANEL 1
Allen-Bradley 1
• identify a hazard 2
• avoid the hazard 2
• recognize the consequences 2
Chapter 1 3
Chapter 2 3
Chapter 3 3
Chapter 4 3
Chapter 5 4
Chapter 6 4
Chapter 7 4
Maintenance and 5
Troubleshooting 5
Specifications 5
Appendix 5
Using this Manual 6
Audience 7
Reference Materials 7
Definition of Major Terms 7
Product Introduction 8
Applications 9
Operator Data Input 10
Information Display 10
Remote I/O Communications 11
• 18–30 Volts DC 12
Grounding 13
NEMA Enclosures 13
Mechanical Installation 14
Step 1 15
Step 2 15
Step 3 15
Step 4 16
Connecting a Scanner Module 17
Chapter Objectives 18
Communications 18
Remote I/O Architecture 19
PLC–3/10 20
Scanners 22
Calculating Rack Size 24
Remote I/O Configuration 25
Selecting Options 26
Typical Switch Settings 27
Setting Switch Bank #1 27
Rack 00 not valid with PLC–5s 28
Setting Switch Bank #2 29
Setting Switch Bank #3 30
Operating Modes 31
Numeric Data 32
ASCII Data 32
Display Stored Message 32
ASCII Message Display 32
Data Entry 33
Split Display 34
Decimal Modes 34
Polarity 34
Destination Entry 34
• IBX–XT/AT style keyboard 35
Entering Messages 37
Editing Commands 38
Programming 39
PLC-5 Programming Examples 40
System Configuration 40
Displaying Numeric Data 42
Describe Data 43
Displaying a Full Line Stored 44
CHARACTER MSG.” 45
Figure 7.5 46
Using PLC-5 Controllers and a 49
Sub I/O Scanner with Keypad 49
01 4 5 726 52
012 4365701 2 43657 01243657 52
PLC-2 Programming Example 54
PLC–2 Programming Example 55
Program Set-up 57
– – – – 58
Accumulated Value of Counter 59
Part C: Displaying a 61
16–Character Message for 61
Symbols and Abbreviations for 63
I/O Image Tables 63
Decimal Point Control 64
0 0 1F1 65
When to Use the Handshake 66
Figure 7.12 67
Handshake Timing Diagrams 67
PLC Scan Cycle 67
and Full Rack 71
Input and Output Image Tables 71
SLC–5/02 Programming 77
Examples 77
Address Conversion 79
Scanner Configuration 79
Example Program 80
• Check for valid data type 81
Power-Up Sequence Error 82
Message Display 82
Basic Troubleshooting 82
Questions 82
Chapter 8 83
Chapter 9 85
Appendix A 86
Display Characters 88
Worldwide representation 93

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