Spectrum-controls 1756sc-OF8H Series A User Manual Page 18
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4 ControlLogix
™
Analog HART Modules
Module Operation
The 1756sc-IF8H module’s input circuitry consists of eight differential-
ended analog inputs, multiplexed to two A/D converters. The A/D
converters read the analog input signals and convert them to floating point
values.
The 1756sc-OF8H has 8 channels that are routed to two quad D/A
converters which output the control signal.
HART communication is independent of the analog operation. Each of the
eight channels are multiplexed to one modem.
Compatibility with Current Devices and Cables
The modules are compatible with a variety of voltage and current devices
with an input or output 0-5V, 0-10V, ±10V, 0-20mA, and 4-20mA.
To minimize interference from radiated electrical noise, we recommend
twisted-pair and highly shielded cables such as the following:
Table 1.4 Recommendations to minimize
interference from radiated electrical noise
For This Type of Device We Recommend This Cable (or equivalent)
V, mA devices Belden 8761, shielded, twisted-pair
- Important Notes 3
- Table of Contents 5
- Table of Contents ix 9
- Terms & 12
- Abbreviations You 12
- Should Know 12
- Preface xiii 13
- Module Overview 15
- Chapter 1 15
- System Overview 17
- 4 ControlLogix 18
- Chapter 1: Module Overview 5 19
- 6 ControlLogix 20
- Power Requirements 21
- Using your module in 22
- Module Installation and 22
- Preventing 23
- Electrostatic 23
- Discharge 23
- Removal and Insertion 23
- Under Power 23
- Compliance to 24
- European Union 24
- Directives 24
- Wiring Your Module 26
- Preparing and Wiring 27
- Terminal Block Layout 28
- Wiring Inputs to the 28
- IF8H Module 28
- Wiring Outputs to the 30
- OF8H Module 30
- 18 ControlLogix 32
- Operation Within the 33
- ControlLogix System 33
- Chapter 3Chapter 3 33
- Chapter 3 33
- Direct Connections 34
- Module Operation 34
- Modules in a Local 35
- Requested Packet 35
- Interval (RPI) 35
- Modules in a Remote 36
- Listen-Only Mode 36
- Multiple Owners of 37
- Input Modules 37
- Configuration 38
- Changes in an Input 38
- Module with Multiple 38
- Chapter 4 39
- 26 ControlLogix 40
- Analog HART Modules 40
- 28 ControlLogix 42
- 30 ControlLogix 44
- Configuration Tags 45
- Overview 45
- 32 ControlLogix 46
- Input Tags Overview 48
- Output Tags 49
- (OF8H Only) 49
- 36 ControlLogix 50
- If8h0Configuration 52
- Table 5.1b 53
- 40 ControlLogix 54
- Table 5.1d 55
- 42 ControlLogix 56
- Amplitude 57
- 44 ControlLogix 58
- Table 5.3b 59
- 46 ControlLogix 60
- 1.) Select Controller Tags 61
- 3.) Select Monitor Tags 61
- Click on the tag name of the 62
- Configuration information is 62
- 1.) Highlight the value of 64
- 2.) Type in the valid new 64
- Of8h0Configuration 66
- Table 6.1b 67
- 54 ControlLogix 68
- Table 6.1d 69
- 56 ControlLogix 70
- Table 6.1f 71
- 58 ControlLogix 72
- Table 6.2b 73
- 60 ControlLogix 74
- Table 6.2d 75
- Table 6.3 75
- Use a pulldown menu 78
- Pulldown menu 78
- 66 ControlLogix 80
- 68 ControlLogix 82
- 70 ControlLogix 84
- 72 ControlLogix 86
- Table 7.1(Packet 0) 87
- 74 ControlLogix 88
- 76 ControlLogix 90
- 78 ControlLogix 92
- Get HART Device Information 94
- 82 ControlLogix 96
- HART Pass-Through Command 98
- 86 ControlLogix 100
- Analog HART Modules 100
- 88 ControlLogix 102
- 90 ControlLogix 104
- 92 ControlLogix 106
- 94 ControlLogix 108
- Short Frame Long Frame 109
- Master to slave 02 82 109
- Slave to master 06 86 109
- 96 ControlLogix 110
- 98 ControlLogix 112
- Programming Examples 113
- Chapter 8 113
- 100 ControlLogix 114
- Set Attribute All message: 116
- Module Reconfigure Message: 116
- 104 ControlLogix 118
- 106 ControlLogix 120
- 108 ControlLogix 122
- 110 ControlLogix 124
- 112 ControlLogix 126
- 114 ControlLogix 128
- 116 ControlLogix 130
- Figure 5.6a (Packed ASCII) 131
- 118 ControlLogix 132
- OK LED CAL LED Fault Status 133
- 122 ControlLogix 136
- 124 ControlLogix 138
- 126 ControlLogix 140
- 128 ControlLogix 142
- Maintaining Your Module 143
- And Ensuring Safety 143
- Chapter 10 143
- 132 ControlLogix 146
- HART Analog Modules 146
- Appendix A 147
- Environmental Conditions 148
- Regulatory Compliance 148
- Firmware Revision History 148
- Appendix B 149
- 140 ControlLogix 154
- 142 ControlLogix 156
- Appendix D 157
- 144 ControlLogix 158
- 146 ControlLogix 160
- 148 ControlLogix 162
- 150 ControlLogix 164
- 152 ControlLogix 166
- Table 3c (First Byte) 167
- Table 3d (Second Byte) 167
- 167
- 154 ControlLogix 168
- Getting Technical 169
- Assistance 169
- Declaration of 169
- Conformity 169
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