Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 66
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Publication 1760-UM003A-EN-P - September 2005
6-22 Application Examples for Pico
Table 6.40 Operand overview
Index
(hex)
Operand Read Write
00 Parameters Table 6.41 x
01 Control byte Table 6.42 x
02 Comparison value 1
I1
(1)
(1) A 16-bit value is transferred in data bytes Data 1 – Data 2. It should be remembered that the low byte 1 is in
Data 1 (Byte 5) and the high byte 2 (byte 8) in Data 2.
Example: 5327dec = 14CFhex l Data 1 = 0xCF, Data 2 = 0x14
x
c
(2)
(2) The value can only be written if it is assigned to a constant in the program.
03 Comparison value 2
I2
(1)
x
c
(2)
04 Gain factor for I1
(I1 = F1 x I1)
F1
(1)
x
c
(2)
05 Gain factor for I2
(I2 = F2 x I2)
F2
(1)
x
c
(2)
06 Offset for value I1 (I1 = OS + actual
value at I1)
OS
(1)
x
c
(2)
07 Switching hysteresis for value I2
HY
(1)
x
c
(2)
Table 6.41 Index 00 – Parameters
Meaning Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Appears in the parameter menu
Yes/no 0/1
Compare
FB not used 0 0 0
EQ (=) 0 0 1
GE (f) 0 1 0
LE (F) 0 1 1
GT (>) 1 0 0
LT (<) 1 0 1
Use as constant and therefore can be written to
I1= Constant 0/1
F1= Constant 0/1
I2= Constant 0/1
F2 = Constant 0/1
OS = Constant 0/1
HY = Constant 0/1
Not used 0 0 0 0 0 0
- 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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