Yokogawa EJX930A Manual do Utilizador descarregar pdf (Página 11)

<1. Introduction>

1-4

IM 01C25T02-01E

1.3 ATEX Documentation

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Fieldbus Communication Type 1
(EJXA, EJAE) 1
CONTENTS 2
1. Introduction 8
<1. Introduction> 9
1.2 Warranty 10
1.3 ATEX Documentation 11
2. Handling Cautions 12
 IFM024-A12 13
 FISCO Rules 14
Transmitter 15
 FNICO Rules 16
2.1.2 CSA Certication 16
2.1.3 ATEX Certication 19
Rating 1 20
Rating 2 20
The year 2010 22
2.1.4 IECEx Certication 23
3. About Fieldbus 25
4. Getting Started 26
4.2 Host Setting 27
4.3 Bus Power ON 28
5. Conguration 30
5.2 Network Denition 31
5.3 Denition of Combining 32
Function Blocks 32
5.4 Setting of Tags and 33
Addresses 33
5.5 Communication Setting 33
0x1: System/network 34
0x1234: Function block 34
5.6 Block Setting 35
5.6.2 Trend Object 36
5.6.3 View Object 36
<5. Conguration> 37
6.3.1 Functional Block 42
6.3.2 Block Mode 43
Differential Pressure 43
Pressure 44
Amplier Temperature 45
6.4 LCD Transducer Block 46
Display of 47
PID FFVAL 47
6.5 AI Function Block 51
6.5.5 OUT_D 52
7. In-Process Operation 53
Analog Alert 54
Discrete Alert 54
Update Alert 54
Diagnostic Alert 54
7.3 Simulation Function 56
8. Device Information 58
(index 1047) 59
(index 1048) 59
(index 1052) 61
9. Parameter Lists 65
9.2 SENSOR Transducer Block 69
9.3 LCD Transducer Block 72
9.4 Al Function Block 73
10. General Specications 76
10.2 Optional Specications 77
A1.1 Schematic Diagram of 78
Signal Characterizer Block 78
A1.2 Input Section 79
A1.5 Application Example 83
A1.5.3 Backward Control 84
Figure A2.1 Integrator Block 85
A2.2 Input Process Section 86
A2.3 Adder 87
A2.4 Integrator 88
A2.5 Output Process 89
A2.6 Reset 91
A2.6.2 Reset Timing 92
A2.6.3 Reset Process 92
Figure A3.1 IS Block 96
A3.2 Input Section 98
A3.2.2 MIN_GOOD Handling 99
A3.3 Selection 100
A3.3.2 SELECTION Handling 101
Figure A3.5 Example (4) 102
Figure A3.6 Example (5) 103
Figure A3.7 Example (6) 104
Figure A3.8 Example (7) 105
Figure A3.9 Example (8) 106
A3.4 Output Processing 107
A3.4.2 OUT Processing 108
A3.4.3 STATUS_OPTS 109
IM 01C25T02-01E 110
A3.6 Application Example 111
A4.2 Input Section 113
A4.2.3 INPUT_OPTS 114
Inputs and PV 114
A4.3 Computation Section 115
A4.4 Output Section 115
A4.4.1 Mode Handling 116
A4.4.2 Status Handling 116
hydrostatic tank gauging 118
Appendix 5. PID Block 119
A5.3 Parameters of PID Block 120
A5.4 PID Computation Details 122
A5.5 Control Output 122
A5.7 Control Action Bypass 123
A5.8 Feed-forward 123
A5.9 Block Modes 123
A5.10 Bumpless Transfer 124
A5.11 Setpoint Limiters 124
Fallback (IMan) 125
A5.15 Manual Fallback 126
A5.16 Auto Fallback 126
A5.17 Mode Shedding upon 126
Computer Failure 126
A5.18 Alarms 127
A5.19 Example of Block 127
Connections 127
A5.20 View Object for PID 128
Function Block 128
A6.1 Link Active Scheduler 129
A6.2 Link Master 129
A6.3 Transfer of LAS 130
A6.4 LM Functions 131
A6.5 LM Parameters 132
SCHEDULE_LIST_ 133
CHARACTERISTICS_ 133
A6.6 FAQs 136
Field Device 140
A7.7 Troubleshooting 140
Software Download 142
Relating to Software Download 143
IMPORTANT 143
(3) DOMAIN_HEADER 144
 Heat Trace Monitoring 145
 Functional block diagram 146
A8.2.1 Blockage Detection 147
 DIAG_LIM 147
A/B Blocking Detection 148
A8.2.3 Operating Parameters 150
 DIAG_MODE 150
 DIAG_PERIOD 150
 DIAG_COUNT 150
A8.2.4 Operating Procedure 151
A8.2.5.1 Alert Setting 152
A8.2.5.2 Alarm Display on LCD 152
A8.2.5.3 Alarm Status 152
A8.2.5.4 Alarm Masking 153
A8.2.10.2 Sampling Period 157
A8.2.10.3 ILBD Range Setting 157
A8.2.10.4 COMP_FLG 157
A8.2.12 ILBD Parameter Lists 158
A8.2.13 Checklist 161
Checklist (2/5) 162
Checklist (4/5) 164
Checklist (5/5) 165
A8.3 Heat Trace Monitoring 166
FLG_TEMP_COEFF(C 167
A8.3.6 Status Error 168
Monitoring Function 168
Revision Information 169

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