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115605-P1

Rev F, 10/97

MKS Type 651C

Pressure Controller

Set

Point

A

B

C

Stop

Open

Close

Learn

Zero

Select

Ad

j

ust

600 Series

Pressure Controller

Valve

Local

Remote

Parameters

D

E

Table of Contents

Table of Contents5
Safety Information15
- Symbols Used in this Instruction Manual15
- Symbols Found on the Unit16
- Table 1: Definition of Symbols Found on the Unit16
- Safety Procedures and Precautions17
Sicherheitshinweise19
- In dieser Betriebsanleitung Vorkommende Symbole19
- Am Gerät Angebrachte Symbole20
- Tabelle 2: Definitionen der am Gerät Angebrachten Symbole20
- Sicherheitsvorschriften und Vorsichtsmaßnahmen21
Informations Relatives À la Sécurité23
- Symboles Utilisés Dans Ce Manuel D'utilisation23
- Symboles Apparaissant Sur L'appareil24
- Mesures de Sécurité Et Mises en Garde25
Información sobre Seguridad27
- Símbolos Usados en el Manual de Instrucciones27
- Símbolos que Aparecen en la Unidad28
- Procedimientos y Precauciones de Seguridad29
Chapter One: General Information31
- Introduction31
- How this Manual Is Organized32
- Customer Support33
Chapter Two: Installation35
- How to Unpack the Type 651 Unit35
- Unpacking Checklist35
- Product Location and Requirements36
  - Operating Environmental Requirements36
  - Safety Conditions36
- Setup37
Chapter Three: Overview41
- Front Panel41
- Rear Panel45
- Labels52
  - Serial Number Label52
  - Figure 5: Serial Number Label52
Chapter Four: System Setup53
- Overview53
  - RS-232 Commands and Requests53
  - Valve Selection and Calibration54
- Setup Menu55
Chapter Five: Local Operation63
- Overview63
- How to View and Adjust Set Points64
- How to Activate Set Points65
- How to Identify an Out-Of-Range Condition65
- How to Control the Valve66
- How to Activate the Learn Function67
  - How to Stop the Learn Function67
- How to Zero a Sensor68
  - How to Use Special Zero68
  - How to Remove Zero68
- How to Set a Process Limit Relay69
  - How to View and Adjust a Process Limit Relay69
  - How to Disable a Process Limit Relay69
- How to View and Adjust the Analog Set Point70
  - How to Zero the Analog Set Point70
  - How to Calibrate Full Scale Span for the Analog Set Point71
- How to Set Lead and Gain Parameters72
- How to Calibrate Span of the A/D Converter73
Chapter Six: Remote Operation75
- Overview75
- RS-232 Commands and Requests75
  - Message Syntax75
  - Priority of Command Execution77
- How to Change Valve Selection and Calibration78
- How to Determine and Change the Control Mode79
- How to Configure the Sensor Parameters80
- How to Request the Pressure Reading82
  - Converting Pressure Readings to Absolute Pressure Values82
- How to Zero a Sensor83
- How to Use the Special Zero83
- How to Remove the Zero83
How to Activate the Learn Function84
- How to Stop the Learn Function85
How to Determine the Active Set Point86
How to Select the Active Set Point87
How to Select Pressure or Position Control88
How to Change the Set Point Value89
How to Adjust the Analog Set Point Value90
- How to Set the Analog Set Point Full Scale Range90
- How to Zero the Analog Set Point91
- How to Learn Analog Set Point Full Scale91
- How to Set the Full Scale Level of the Analog Set Point92
How to Calibrate Span of the A/D Converter93
How to Respond to a Checksum Error94
How to Set the Lead and Gain Parameters95
How to Set the Softstart Control Rate97
- How to Set the Softstart Rate97
- How to Use the Softstart Rate97
- How to Check the Softstart Rate98
How to Configure the Valve Parameters99
- How to Check the Valve Selected99
- How to Change and Calibrate the Valve99
- How to Change the Valve Position Output100
- How to Change the Valve Control Direction100
How to Control the Valve101
- How to Open the Valve101
- How to Close the Valve101
- How to Halt the Valve101
How to Set a Process Limit Relay102
- How to View and Adjust a Process Limit Relay102
- How to Disable a Process Limit Relay102
How to Check the System Status103
- How to Check the Firmware Version103
- Digital Logic Control104
Chapter Seven: Battery-Backed Memory Module111
- Replacing the Battery-Backed Memory Module111
Chapter Eight: Valve Failsafe Battery Back-Up Option115
- General Information115
- Battery Voltage116
- Valve Positions116
- Startup117
- Operation119
  - How to Check the Battery Voltage119
  - How to Set the Battery Back-Up Valve Control120
- Expected Battery Life122
- Battery Storage122
- Table 19: Expected Battery Life122
- Table 20: Capacity Loss of Stored Battery122
- Battery Replacement123
  - Opening the Unit123
  - Installing the New Battery124
Chapter Nine: Maintenance125
- General Information125
- How to Replace Fuses125
- Figure 13: Fuse Holder126
Appendix A: Product Specifications127
Appendix B: Model Code Explanation129
- Model Code129
Appendix C: Product Compatibility131
- Product Compatibility131
Appendix D: Type 651 Displayless Unit133
- Type 651 Displayless Unit133
- Figure 14: Front Panel of the 651 Displayless Unit133
- RS-232 Configuration134
Appendix E: Initial Settings139
Table 25: Initial Settings139
Appendix F: Command and Request Reference141
- Command Reference141
- Table 26: RS-232 Command Summary142
- Request and Response Reference148
- Table 27: RS-232 Request and Response Summary148
Index155

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