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LTH Electronics MXD70 Series User Manual
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Modbus RS485 Connection
Details
- 10 -
Modbus RS485 Interface
Operating Guide
Modbus Connections
MXD75 Modbus RS485 Output Card Connection Details
540
542
Table of Contents
Section 1
12
Preface
8
Table of Contents
12
Contents
13
Introduction
14
MXD73 Instrument Specification
16
Installation - Safety & EMC
18
Noise Suppression
19
MXD73 Add-In Cards Installation
20
Installation - MXD73
24
MXD73 Connections
26
Supply Voltage Connections
27
Current Output Connections
28
Relay Connections
29
Modbus RS485 Connections
29
Sensor Connections
29
Digital Inputs
30
SD Card Interface
30
Guarantee and Service
31
Index
32
Section 2
42
Contents
43
Introduction
44
MXD75 Instrument Specification
46
Installation - Safety & EMC
48
Noise Suppression
49
MXD75 Add-In Cards Installation
50
Installation - MXD75
56
Pipe Mounting
57
MXD75 Basic Connections
60
Supply Voltage Connections
61
Modbus RS485 Connections
61
Sensor Connections
61
Current Output Connections
62
Relay Connections
63
Digital Inputs
64
SD Card Interface
65
Guarantee and Service
66
Index
69
Table of Contents
76
Contents
77
User Interface
78
The Front Screen
78
The Menu System
79
Security Code Access
82
Access Code Management
83
Enter New Code
84
Configuration
86
Main Menu
86
Time / Date
86
Daylight Savings
87
Change Display Contrast
87
Setup Front Screen
88
Setup Menu Header
89
Service Alarms
90
Update Software
92
Optional Software Functions
94
Unlocking Optional Software Functions
94
Data Logging
96
Live Trending
96
Setup Live Trending
96
Live Trend Screen
99
SD Card Data Logging
100
Setup SD Card Data Logging
100
View SD Card Data Logging
102
SD Card Data Logging Graph
105
Viewing the SD Card Data Log on a PC
106
Error Messages
108
Save, Restore & Reset
110
Calculation
112
Index
115
Table of Contents
122
Contents
123
Conductivity Input Card Specification
124
Range & Sensor Compatibility Tables
125
Installation and Choice of Conductivity Sensors
126
Care and Maintenance of Conductivity Sensors
126
MXD73 Termination Information
128
MXD75 Termination Information
130
MXD75 Extension Cables
131
Temperature Sensor Connections
132
Conductivity Input Channel Setup
134
Units
135
Cell Constant
135
Temperature Input Sensor
136
Temperature Compensation
137
Simulated Input
139
Calibration
140
Table of Calibration Resistance Values
141
Calibration Menu
142
Calibration History
145
Front Screen Calibration Access
145
Calibration Reminder
146
Resetting the User Calibration
147
Conductivity USP Operation
150
Appendix A - Ultra Pure Water
152
Appendix B - Temperature Coefficient
154
Temperature Data
154
Appendix C - Instrumentation Configuration
162
Appendix D - Error Messages
162
Fault Finding
174
Table of Contents
186
Ph / Redox Input Card Specification
188
Installation and Choice of Ph / Redox Electrodes
190
Sensortalk Interface
190
Care and Maintenance of Ph / Redox Electrodes
191
Smart Capable Input Card Termination Information
192
Sensortalk Sensors Termination Information
195
Smart Capable Input Card LTH 54E Extension Cable Connection Information
196
Smart Capable Input Card Temperature Sensor Connections
199
Previous Generation Input Card Termination Information
200
Previous Gen. Input Card Temperature Sensor Connections
205
Ph / Redox Input Channel Setup
206
Units
208
Temperature Input Sensor
208
Calibration
212
Calibration Menu
214
Calibration Principle
215
Calibration History
218
Sensor Condition
218
Front Screen Calibration Access
219
Calibration Reminder
219
Custom Buffer Entry
220
Auto Ph Sensor Calibration
222
Manual Ph Sensor Calibration
224
Buffer Solutions
227
Resetting the User Calibration
228
Appendix A - Temperature Data
229
Appendix B - Instrument Configuration
230
Appendix C - Error Messages
236
Table of Contents
260
Contents
261
Electrodeless Conductivity Input Card Specification
262
Installation and Choice of Electrodeless Conductivity Sensors
264
MXD73 - Panel Mount Termination Information
266
MXD75 - Surface Mount Termination Information
267
Temperature Sensor Connections
269
Extension Cable Arrangement
270
Electrodeless Conductivity Input Channel Setup
271
Units
272
Cell Constant
272
Temperature Input Sensor
274
Temperature Compensation
275
Simulated Input
276
Calibration
277
Calibration Menu
278
Calibration History
281
Front Screen Calibration Access
281
Calibration Reminder
282
Sensor Loop Calibration
284
Resetting the User Calibration
286
Appendix A - Solution Conversion
287
Appendix B - Temperature Coefficient
288
Temperature Data
288
Appendix C - Instrument Configuration
289
Appendix D - Error Messages
296
Fault Finding
308
Guarantee and Service
310
Table of Contents
319
Installation and Choice of Dissolved Oxygen Sensors
323
MXD73 - Panel Mount Termination Information
324
MXD75 - Surface Mount Termination Information
326
LTH 54D Extension Cable Connection Information
328
Temperature Sensor Connections
329
Dissolved Oxygen Input Channel Setup
330
Units
331
Temperature Input Sensor
333
Pressure Compensation
334
Calibration
340
Calibration Menu
342
Main Menu
342
Calibration History
348
Sensor Condition
348
Front Screen Calibration Access
349
Calibration Reminder
350
Resetting the User Calibration
352
Appendix A - DO Measurement
354
Sensor Interface
354
Membrane Correction
355
Oxygen Solubility
355
Partial Pressure of Oxygen (Po2)
356
Sensor Parameters
356
Appendix B - Temperature Data
357
Appendix C - Pressure Conversions
358
Appendix D - Instrument Configuration
366
Appendix E - Error Messages
366
Fault Finding
378
Guarantee and Service
380
Table of Contents
390
Installation
394
MXD73 - Panel Mount Termination Information
395
MXD75 - Surface Mount Termination Information
397
Auxiliary Ma Input Channel Setup
400
Description
401
Range
402
Loop Mode
402
Input Mode
402
Setup Custom Curve
404
Calibration
406
Calibration Menu
406
Auxiliary Ma Input Calibration
407
Front Screen Calibration Access
409
Calibration Reminder
410
Resetting the User Calibration
412
Appendix A - Instrument Configuration
414
Appendix B - Error Messages
420
Fault Finding
432
Guarantee and Service
433
Index
435
Table of Contents
442
Turbidity Input Card Specification
444
Installation and Choice of Suspended Solids / Turbidity Sensors
446
MXD73 - Panel Mount Termination Information
447
MXD75 - Surface Mount Termination Information
448
Suspended Solids / Turbidity Input Channel Setup
449
Units
450
Range
451
Linearisation Source
451
CIP Input
452
Linearisation Curve Setup
453
Calibration
456
Sensor Zero Adjustment
457
Sensor Span Adjustment
458
Calibration History
458
Front Screen Calibration Access
459
Calibration Reminder
460
Resetting the User Calibration
461
Appendix A - Example Dairy Readings
464
Appendix B - Instrument Configuration
466
Appendix C - Error Messages
472
Fault Finding
484
Guarantee and Service
485
Index
487
Table of Contents
494
Input Source
497
Trigger
497
Mode
500
Hysteresis
501
Setpoint Dose Alarm
502
Setpoint Proportional Mode
505
Setpoint Alarm Mode
507
Setpoint Cleaning Mode
508
Current Outputs
512
Current Output Calibration
515
Resetting the Current Output User Calibration
517
Digital Inputs
520
Offline
521
Clean
521
Range Changing
521
Switch Setup
521
Calibration
523
Cip
523
Simulate Channels
524
Index
527
Table of Contents
534
Contents
535
Modbus RS485
536
Modbus RS485 Connection Details
540
Modbus Setup
542
Modbus RS485 Registers
548
Base Instrument Configuration
548
Sensor Readings
552
Setpoint / Relay Status
557
Current Output Readings
559
Sensor Input Configuration
560
Sensor Calibration
584
Setpoint Configuration
595
Current Output Configuration
600
Digital Input Configuration
602
Display Configuration
604
Data Logging Configuration
608
Service Configuration
610
Modbus RS485 Coils
613
Modbus RS485 Discretes
617
Digital Input Status
617
Sensor Status
617
Instrument Error Status
620
Other manuals for LTH Electronics MXD70 Series
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40 pages
User Interface Guide
30 pages
4
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LTH Electronics MXD70 Series Specifications
General
Brand
LTH Electronics
Model
MXD70 Series
Category
Measuring Instruments
Language
English
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