Rockwell Automation PicoTM Controller 1760 Manual do Utilizador descarregar pdf (Página 122)

Publication 1760-UM001A-EN-P

7-16 Retention

Signal diagram:

U = Supply voltage

Range A:

Value before power outage: 107

Value after switching back on: 107

Automatic Lubrication at Constant Intervals and With a Constant Quantity of

Lubricant

Task 3:

After every 60 minutes of machine run time, the bearings of the machine must be

lubricated for 30 seconds.

Contacts and relays used:

Coil Function

T1 Clock pulse

M15 Lubricate

Q1 Lubrication Valve

T8 Lubrication time

C8 Up counter

M16

1 2 ... 117 118 119 120 121 122 123 124 125 126 127 ... 157 158

Pico™ Controller 1
Important User 2
Information 2
Table of Contents 3
Chapter 3 4
Chapter 4 4
Drawing a Circuit Diagram 4
Chapter 5 5
Saving and Loading Circuit 5
Chapter 6 5
Pico System Settings 5
Table of Contents iv 6
Table of Contents v 7
Table of Contents vi 8
Who Should Use this 9
Purpose of this Manual 9
Common Techniques 10
Used in this Manual 10
Rockwell Automation 10
System Overview 11
Hardware Versions 12
Operating Principles 13
LED Indicators 14
Circuit Diagram 15
Parameters 15
Figure 1.6 System Menu 17
WINTER TIME 18
DAY : MO 18
TIME: 01:25 18
Installation 19
Mounting 20
Wiring Terminals 21
Connecting the 22
Incoming Power 22
Using Surge 23
Suppressors 23
Connecting the Inputs 25
L1 L2 I2 I3 I4 I5 I6 I7 I8I1 26
120/240V ac 26
Inputs x 120/240V ac 26
Increasing the Input Current 27
Connecting DC Inputs 28
Connecting Analog Inputs 28
Installation 2-11 29
Ω, e.g. 1K Ω 30
Connecting Outputs 31
Connecting Relay 32
Commissioning 33
Operating Modes 34
Creating a Circuit 35
Diagram (Program) 35
Circuit Diagram Display 36
Commissioning 3-5 37
Wiring Inside of Your Program 38
I1-I2-----{ Q 1 38
I1-I2-------{Q1 38
Commissioning 3-7 39
Deleting a Circuit Diagram 40
Fast Circuit Diagram Entry 40
DELETE PROG 40
Pico Operation 41
Button Operation 42
Opening the Parameter Display 42
Contacts 43
Memory Module 45
PicoSoft 45
Working with Contacts 46
I1-Q4-I3 48
I2-I4-{Q2 48
I1-Q4-I3-{M1 48
I2-I4-M1-{Q2 48
Deleting a Circuit Connection 49
Example 1 49
Example 2 50
Coil Functions 51
I2---------{Q4 51
Rules for Wiring Relay Coils 52
Function Relay Types 54
Hard-Wiring with Relays 55
Using Circuit Diagram Forms 55
Comment: 56
Timing Relays 59
Figure 4.5 Timing Diagram 62
Timing Relays, Single Pulse 63
Timing Relays, Flashing 63
Counter Relays 64
Programming a Counter Relay 65
Determining Counter Frequency 66
Parameters for Counters 66
Time Switch 67
Example 3 69
Example 4 69
Example 5 70
Example 6 70
Programming a Time Switch 70
Analog Comparators 71
Figure 4.13 Timing Diagram: 72
---------SQ3 73
Pico text 74
LCD Display 75
Variables 75
Function 75
Text Entry 76
Character Set 76
Examples 76
Example Programs 79
I1-I2-I3-{Q1 79
I1-I2-I3-{Q2 79
Motor Start/Stop Circuit 81
I1----------SQ1 81
I2----------RQ1 81
Pulse Value Reset 83
Interface to Memory 89
Module and 89
Programming Cable 89
Loading or Storing Programs 91
Connecting Pico to the PC 93
If You Have Trouble 93
INVALID PROG 93
Deleting 98
Changing the Menu 99
Language 99
Changing Parameters 99
Publication 1760-UM001A-EN-P 100
Setting the Time 102
Changing Between 102
Winter/Summer Time 102
(Daylight Saving Time) 102
Activating Debounce 103
(Input Delay) 103
Activating and 104
Deactivating P-Buttons 104
Setting the Start-Up Behavior 105
Possible Faults 106
Retention 107
Setting Retention 108
Deleting Retentive 108
Actual Values 108
Transfer Retentive 109
Behavior 109
Retentive Auxiliary 110
Relays (Markers) 110
Impulse Relay 111
M8-M14------{Q2 111
I3------SM14 111
M9---------RM14 111
7-6 Retention 112
U = Supply voltage 112
S/R Function 113
Retentive Timing Relays 114
Coil Function 115
I1 Motor Enable 115
Q2 Motor 115
T8 Delay time 115
Retention 7-11 117
Time setting for T6, T7 117
I1 Start lubrication 118
Q1 Oil valve 118
T8 Oil time 118
Q1 Valve 119
Retentive Up/Down 120
Counters C7, C8 120
Retention 7-15 121
Lubricant 122
7-18 Retention 124
Inside Pico 125
Example: Do Not Wire Backward 126
Determining Cycle Time 127
I1---------TT1 128
T1------{Q1 128
T1------TT2 128
T2------{Q2 128
1760-L18AWA Cycle Time 129
Delay Times for Inputs 131
-L12AWA-ND, -L18AWA) 132
Inside Pico 8-9 133
8-10 Inside Pico 134
Troubleshooting 135
Possible Situations 136
When Creating Circuit 136
Diagrams 136
Troubleshooting 9-3 137
9-4 Troubleshooting 138
DC Simulator 139
Installation Guidelines 140
Specifications 141
Electrical 142
Power Supply 143
1760-L12BWB and -L12BWB-NC 144
Relay Outputs 145
φ= 0.4, 250V ac 146
≤ 150 ms, 24V dc 146
≤ 150 ms 24V DC 146
Cycle Time 147
Dimensions 148
Circuit Diagram Form 149
Timing relays 150
Up/down counters 150
Analog comparators 150
Timing switches 150
Glossary 151
Glossary 2 152
2 Index 154
Index 3 155
Backwards 156
XOR circuit 156
Back Cover 158

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