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Appendix D
MTD75 Operation Guide
- 197 -
Appe
ndix D
Appendix D – Modbus RS485 Registers
Note.
The availability of some of the registers depends upon the configuration of the controller.
Register # Access
Rule
Name
Data
Format
Description of Attribute
Semantics of Values
Relay States
2000
Get
Bio A Relay
INT
The state of the Biocide A relay 0
= Relay Off
1 = Relay
On
2
= Relay Over Dosed
2001
Get
Bio B Relay
INT
The state of the Biocide B relay 0
= Relay Off
1 = Relay
On
2002
Get
Bleed Relay
INT
The state of the Bleed relay
0
= Relay Off
1 = Relay
On
2
= Relay Over Dosed
4 = Relay
Delay
2003
Get
Inhibitor Relay INT
The state of the Inhibitor relay 0
= Relay Off
1 = Relay
On
2004
Get
pH Relay
INT
The state of the pH relay
0
= Relay Off
1 = Relay
On
2
= Relay Over Dosed
2005
Get
Alarm Relay
INT
The state of the Alarm Relay
0
= Relay Off
1 = Relay
On
Total Water Counter
2010
Get
Total Water
FLOAT
The total amount of water the
controller has measured.
0 to 9999 Cubic Meters
Summary of Contents for MTD75
Page 1: ...MTD75 Cooling Tower Controller Operation Guide ...
Page 2: ......
Page 5: ...Preface MTD75 Operation Guide 3 Declaration of Conformity ...
Page 6: ...Preface 4 MTD75 Operation Guide ...
Page 12: ...Introduction 10 MTD75 Operation Guide Introduction MXD75 Termination Overview ...
Page 29: ...Installation MTD75 Operation Guide 27 Installation Horizontal Mounting Vertical Mounting ...
Page 30: ...Installation 28 MTD75 Operation Guide Installation Blank ...
Page 72: ...Biocide A 70 MTD75 Operation Guide Biocide A BLANK ...
Page 74: ...Biocide B 72 MTD75 Operation Guide Biocide B BLANK ...
Page 88: ...Inhibitor 86 MTD75 Operation Guide Inhibitor BLANK ...
Page 98: ...pH Control 96 MTD75 Operation Guide pH Control BLANK ...
Page 100: ...Alarm Relay 98 MTD75 Operation Guide Alarm Relay BLANK ...
Page 108: ...Electrodeless Conductivity Setup 106 MTD75 Operation Guide ECS Setup BLANK ...
Page 112: ...pH Input Setup 110 MTD75 Operation Guide pH Setup BLANK ...
Page 118: ...Redox Calibration 116 MTD75 Operation Guide Redox Calibration BLANK ...
Page 140: ...pH Calibration 138 MTD75 Operation Guide pH Calibration BLANK ...
Page 142: ...Calibration Reset 140 MTD75 Operation Guide Calibration Reset BLANK ...
Page 148: ...Current Outputs 146 MTD75 Operation Guide Current Outputs BLANK ...
Page 152: ...Digital Inputs 150 MTD75 Operation Guide Digital Inputs BLANK ...
Page 158: ...Configuration 156 MTD75 Operation Guide Configuration BLANK ...
Page 160: ...Update Software 158 MTD75 Operation Guide Update Software BLANK ...
Page 164: ...Save Restore Reset 162 MTD75 Operation Guide Save Restore Reset BLANK ...
Page 166: ...Error Messages 164 MTD75 Operation Guide Error Messages BLANK ...
Page 172: ...Modbus RS485 170 MTD75 Operation Guide Modbus RS485 BLANK ...
Page 184: ...Data Logging 182 MTD75 Operation Guide Data Logging BLANK ...
Page 246: ...Appendix F 244 MTD75 Operation Guide Appendix F Blank ...
Page 254: ...Appendix G 252 MTD75 Operation Guide Appendix G BLANK ...
Page 260: ...Notes 258 MTD75 Operation Guide ...
Page 261: ...Notes MTD75 Operation Guide 259 ...
Page 265: ......