Siemens SIPART PS2 6DR50xx Provozní pokyny Strana 196
- Strana / 242
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Alarm, error, and system messages
11.4 Fault correction
SIPART PS2 with and without HART communications
196 Operating Instructions, 09/2007, A5E00074631-07
11.4.4 Remedial measures table 3
Fault profile (symptoms) Possible cause Remedial measures
• Actuator does not move. • Compressed air < 1.4 bar • Set the supply air pressure to
> 1.4 bar.
• Restrictor valve turned off (screw at
the right end stop)
• Open the restrictor screw by turning
it anticlockwise, see leaflet, "Device
view (6)".
• Piezo valve does not activate (a
gentle click sound is however
audible when the "+" or "-" buttons
are pressed in the manual mode.)
• Dirt in the pneumatic block • Repair
1)
or a new device; clean
and/or replace the built-in fine
screens.
• Pneumatic leakage in the positioner
- actuator system; start the leakage
test in "RUN 3" (initialization).
• Rectify leakage in the actuator
and/or feed line.
• In case of an intact actuator and
tight feed line: repair
1)
or a new
device
• A piezo valve activates constantly in
the stationary automatic mode
(constant setpoint) and the manual
mode.
• Dirt in the pneumatic block, see
above
• See above
Fault table 3
1)
More information is given under the also-see link.
See also
Service and maintenance (Page 199)
11.4.5 Corrective measures Table 4
Symptoms Possible cause(s) Corrective measures
• Sticking friction of the packing
gland from the control valve or
actuator too large
• Reduce friction or increase dead zone of
positioner (parameter "dEbA") until the
oscillation stops.
• Looseness (play) in the
positioner/actuator/control valve
system
• Part-turn actuator: Check for firm seating
of set screw on coupling wheel.
• Linear actuator: Check for firm seating of
lever on positioner shaft.
• Correct any other play between the
actuator and the control valve.
• In stationary automatic mode
(constant setpoint) and in
manual mode, both piezo
valves continually switch
alternately, and the actuator
oscillates around a mean value.
• Actuator too fast • Increase actuating times using throttle
screws.
• If a quick actuating time is needed,
increase the dead zone (parameter
"dEbA") until the oscillation stops.
- sipart 1
- Electropneumatic positioners 3
- SIPART PS2 with and without 3
- HART communications 3
- Table of contents 5
- Table of contents 7
- Introduction 11
- 1.3 Further information 12
- General safety notes 13
- 2.4 Measures 14
- 2.5 Qualified Personnel 15
- 2.6 SIL applications 15
- 3.2 Structure 18
- Description 19
- 3.2 Structure 19
- Functional principle 21
- 3.4 Device components 23
- 3.4.2 Motherboard 24
- 3.4.4 Pneumatic connections 25
- Structure 26
- 3.4 Device components 27
- 3.4.5 Purge air switching 28
- 3.4.6 Restrictors 28
- 3.5 Mode of operation 29
- 3.5.2 Control algorithm 30
- 3.5 Mode of operation 31
- Function 32
- Mounting 33
- Installing the positioner 35
- Mounting 37
- 40
- 0% 20 40 60 80 100% 41
- Procedure 45
- Installing option modules 49
- Installing option modules 51
- Installing the module cover 54
- 5.2 Iy module 55
- 5.3 Alarm unit 56
- 5.4.1 SIA unit 58
- Installing the SIA unit 59
- Setting the L1 and L2 limits 60
- Device features 61
- 5.6 EMC filter module 63
- 5.7 Accessories 65
- Warning labels 66
- Connection 67
- 6.1 Electrical connection 68
- Two-wire mode 69
- 6.1.2.1 Basic device 70
- 6.1.2.2 Current output 71
- 6.1.2.4 SIA unit 72
- Connection 73
- 6.1 Electrical connection 73
- 6.1.3.1 Basic device 77
- Basic device 77
- 6.1.3.2 Split range 79
- 6.1.3.3 Current output 80
- 6.1.3.5 SIA unit 82
- 6.1.4.1 Basic device 85
- 6.1.4.2 Current output 87
- 6.1.4.4 SIA unit 88
- 6.2 Pneumatic connection 89
- Operating 91
- 7.1.2 Buttons 93
- 7.2 Operating modes 94
- VLPXOWDQHRXV VLPXOWDQHRXV 96
- Manual mode (MAN) 97
- Automatic (AUT) 97
- Diagnostics 97
- Operating 99
- 8.1 General safety notes 101
- Description 102
- Functional safety 103
- 8.2.2 Safety function 104
- 8.2.3 Settings 105
- Checking the safety function 106
- Repairs 106
- See also 106
- Commissioning 107
- Sequence of RUN1 109
- Commissioning 111
- IODVKHV 113
- DOWHUQDWLQJ 113
- Condition 114
- Connecting the positioner 114
- Setting the actuator 115
- Conditions 115
- Setting parameter 3 117
- Replacing the positioner 126
- Parameterizing/addressing 129
- 10.3 Overview of parameters 131
- Overview 132
- Parameterizing/addressing 133
- 10.3 Overview of parameters 134
- Overview parameter A 135
- Overview parameter b 136
- Overview parameter C 136
- Overview parameter d 136
- Overview parameter E 136
- Overview parameter F 136
- Overview parameter G 137
- Overview parameter H 137
- Overview parameter J 137
- Overview parameter L 137
- Overview parameter O 138
- Overview parameter P 138
- 1.YFCT - actuator type 138
- 8.SPRE - Split range start 142
- 9.SPRE - Split range end 142
- 10.TSUP - Setpoint ramp OPEN 143
- 12.SFCT - Setpoint function 143
- 44.AFCT - Alarm function 149
- 50.PRST - Preset 152
- PST - partial stroke test 153
- A1.STPOS - start position 154
- A2.STTOL - start tolerance 154
- A3.STEP - step height 154
- A4.STEPD - step direction 154
- A5.INTRV - test interval 155
- A7.FACT1 - factor 1 155
- A8.FACT2 - factor 2 155
- A9.FACT3 - factor 3 156
- LEAK - pneumatic leakages 158
- C2.FACT1 - factor 1 159
- C3.FACT2 - factor 2 159
- C4.FACT3 - factor 3 159
- DEBA - dead zone monitoring 161
- F1.LEVL1 - threshold 1 162
- F2.LEVL2 - threshold 2 162
- F3.LEVL3 - threshold 3 163
- G1.LEVL1 - threshold 1 164
- G2.LEVL2 - threshold 2 164
- G3.LEVL3 - threshold 3 164
- J3.LEVL2 - threshold 2 167
- J4.LEVL3 - threshold 3 167
- L2.FACT1 - factor 1 168
- L3.FACT2 - factor 2 168
- L4.FACT3 - factor 3 168
- P3.LEVL1 - threshold 1 171
- P4.LEVL2 - threshold 2 171
- P5.LEVL3 - threshold 3 171
- Messages during operation: 177
- 11.2 Diagnosis 178
- Explanation about the table 179
- Diagnostic value 53 180
- 11.2 Diagnosis 181
- 10 LEAK - leakage 182
- 11.2 Diagnosis 184
- 44 PRDN - prediction down 186
- 11.3 Online diagnostics 187
- 11.3.2 XDIAG parameter 188
- 11.3 Online diagnostics 190
- 11 Pneumatic leakage 191
- 13 Temperature undershot 192
- 14 Temperature overshot 192
- 11.4 Fault correction 193
- Service and maintenance 199
- Dismantling 200
- Installation 200
- Technical data 201
- 13.1 General technical data 202
- Technical data 203
- SIPART PS2 HART 204
- Optional modules 206
- Dimension drawings 211
- Dimension drawings 213
- 15.1 Overview 215
- Options 216
- Accessories 216
- 15.3 Optional modules 217
- 15.4 Spare parts 218
- 15.4 Spare parts 219
- Small part set 1 220
- Small part set 2 221
- 15.6 Accessories 222
- Appendix 223
- SIEMENS AG, A&D PI TQ2 225
- A.3 Test report (extract) 226
- Appendix 227
- A.3 Test report (extract) 227
- Abbreviations 229
- Glossary 231
- Glossary 233
- Zone 22 238
- Index 241
- A5E00074631 242
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