Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual do Utilizador descarregar pdf (Página 43)

Publication 1760-UM003A-EN-P - September 2005

Direct Data Exchange with Pico/GFX (Polled I/O Connection) 5-7

EXAMPLE

Value 2Bhex = 0010 1011bin:

Enables R6, R4, R2 and R1.

TIP

If control commands and I/O data are used at the

same time:

• The inputs will retain their previous state until

this control command has been executed.

• The input bytes will be updated after the data

exchange control command has been executed.

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 167 168

Pico DeviceNet 1
Communication 1
Interface 1
Important User Information 2
Table of Contents 3
Table of Contents 2 4
Who Should Use this 5
Purpose of this Manual 5
Common Techniques Used 6
Preface 4 8
Pico DeviceNet Interface 9
Structure of the Unit 10
Communication Profile 10
Hardware and Operating 10
System Requirements 10
Use Other Than Intended 11
Installation 13
Connect the Power Supply 14
DeviceNet 14
EMC Compatible Wiring 15
Potential Isolation 16
Data Transfer Rates – 16
Automatic Baud Rate 16
Recognition 16
• or Flat Cable 17
2-6 Installation 18
Initial Power On 19
DeviceNet Setting the 19
Slave Address 19
With Pico-SOFT, version 3.1 21
LED Status Displays 22
Cycle Time of the Pico 23
Basic Unit 23
EDS File 23
IMPORTANT 24
DeviceNet Functions 25
Management Objects 26
Connection Objects 27
Manufacturer-Specific Objects 28
Identity Object 28
Service Code 29
DeviceNet Object 30
Pico Object 30
DeviceNet Communication 33
General Method of Operation 34
I/O Connection) 37
Input data: 38
Mode, S1 to S8 38
Output Data: 40
Mode, R1 – R16 40
0 = status ’0’ 1 = status ’1’ 42
Value 19hex = 0001 1001bin: 42
Enable R13, R12 and R9 42
Application Examples for Pico 45
Read/Write Date and Time 46
Switching Rule Bit Array 47
Read/Write Image Data 48
A1 – A16 49
Counters: C1 to C16 50
Possible causes page 6-34 51
Local inputs: I1 – I16 52
(Low Byte first) 53
(1) 02 = Analog input I11 54
(2) Possible causes page 6-34 56
(1) Possible causes page 6-34 57
Local P buttons: P1 – P4 58
Local outputs: Q1 – Q8 59
Timers: T1 – T16 61
Year time switch: Y1 – Y8 62
Master reset: Z1 – Z3 63
7-day time switch: 63
Counter relays: C1 – C16 67
Example: 70
Data 1 (Byte 4) = 0x01 70
Meaning: 70
Timing relays: T1 – T16 71
Data 1 (Byte 4) = 0xAC 72
Channel A, index 11/12 75
Pico GFX Control Commands 81
Version history 82
Read/write date and time 82
Winter/summer time, DST 84
Switching rule bit array 85
Read/write image data 87
Local diagnostics: ID1 – ID16 89
Read local inputs: IW0 90
Marker: M 92
ATTENTION 93
Example 2: Write marker word 94
Local analog output: QA1 96
Local outputs: QW0/ 97
Send data network: SN1 – SN32 99
Read/write function block 100
Overview 101
High Byte) 103
Block Compare: BC01 – BC32 105
Block Transfer: BT01 – BT32 107
Counter: C01 – C32 110
Comparator: CP01 – CP32 116
Data block: DB01 – DB32 120
PID controller: DC01 – DC32 121
Example 127
Year time switch: HY01 – HY32 129
Value scaling: LS01 – LS32 131
Master reset: MR01 – MR32 132
Hours-run meters: OT01 – OT04 135
Timing relays: T01 – T32 141
Value limitation: VC01 – VC32 143
Analysis – error codes via 144
PicoLink 144
Troubleshoot Your Controller 147
Specifications 149
A-2 Specifications 150
Specifications A-3 151
Dimensions 152
Glossary 153
Glossary 2 154
Glossary 3 155
Glossary 4 156
Glossary 5 157
Glossary 6 158
Glossary 7 159
Glossary 8 160
Glossary 9 161
Glossary 10 162
Glossary 11 163
Glossary 12 164
2 Index 166
Index 3 167
Rockwell Automation 168

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