Watlow MICRODIN Manual de usuario descargar pdf (Pagina 6)

iv Watlow MicroDIN

Chapter 1: Overview ......................................................................... 1.1

Introduction to the MicroDIN Controller .................................. 1.2

Setup Steps ............................................................................. 1.3

Indicator Lights ........................................................................ 1.3

Chapter 2: Communications Setup ................................................... 2.1

Communications Overview ..................................................... 2.2

EIA-485 Network ..................................................................... 2.3

Elements of a MicroDIN 485 Network ...................................... 2.3

PC Connection via 232/485 Converter ..................................... 2.3

Special Case 485 Considerations ............................................. 2.4

Termination Resistor ............................................................... 2.4

Pull-Up and Pull-Down Resistors ............................................ 2.4

Modbus

™

Protocol ................................................................... 2.5

RTU ......................................................................................... 2.5

Access via Registers ................................................................ 2.5

MicroDIN Supports .................................................................. 2.5

Modbus

™

DIP Switches Set Address/Baud Rate ..................................... 2.7

MicroDIN DIP Switch Table ..................................................... 2.7

Required Parameters Setup ..................................................... 2.8

Serial Data Format ................................................................. 2.9

Data Format Table .................................................................... 2.9

Wiring Tasks ........................................................................... 2.9

Wiring Task List ....................................................................... 2.9

Communications Software ...................................................... 2.9

Watlow’s WatLink .................................................................... 2.9

Other Software Options ........................................................... 2.9

Chapter 3: Installation Wiring .......................................................... 3.1

Introduction ............................................................................. 3.2

Set DIP Lower First................................................................... 3.2

Mount on DIN Rail or Tabs ...................................................... 3.2

Wire Unit I/O............................................................................. 3.2

Installation Accessories ........................................................... 3.2

Mount the MicroDIN ................................................................ 3.3

Mount the MicroDIN on a DIN Rail .......................................... 3.4

MicroDIN RJ-11 and 10-Pin Connectors ................................. 3.5

Input Wiring ............................................................................. 3.6

Output and Power Wiring ........................................................ 3.7

Communications Wiring .......................................................... 3.8

Convertor-To-MicroDIN Wiring Example ................................. 3.8

Special EIA-485 Considerations ............................................... 3.9

Wiring Examples .................................................................... 3.10

Wiring Examples .................................................................... 3.11

Chapter 4: Features .......................................................................... 4.1

The System ............................................................................. 4.2

Auto-tune ................................................................................. 4.2

Power Limit ............................................................................. 4.3

Input ........................................................................................ 4.4

Calibration Offset ..................................................................... 4.4

Filter Time Constant ................................................................. 4.5

Sensor Selection ...................................................................... 4.6

Range Low or Range High ....................................................... 4.6

Control Methods ...................................................................... 4.7

On/Off ...................................................................................... 4.7

Proportional Control ................................................................ 4.8

Proportional plus Integral (PI) Control ..................................... 4.9

Proportional plus Integral plus Derivative (PID) Control ........ 4.10

Alarms ................................................................................... 4.11

Alarm Set Points .................................................................... 4.11

Alarm Hysteresis .................................................................... 4.11

Process or Deviation Alarms .................................................. 4.12

Alarm Latching ...................................................................... 4.12

Alarm Silencing ...................................................................... 4.13

Errors ..................................................................................... 4.14

Indicator Lights ...................................................................... 4.14

Open Loop Detect .................................................................. 4.14

Bumpless Transfer ................................................................. 4.15

Chapter 5: Parameters ..................................................................... 5.1

System Group .......................................................................... 5.2

Input Group ............................................................................. 5.4

Control Output Group .............................................................. 5.8

Operation Group .................................................................... 5.11

PID Group .............................................................................. 5.13

Alarm Output Group ............................................................... 5.17

Error Group ............................................................................ 5.22

Characteristics Group ............................................................ 5.25

Diagnostics Group ................................................................. 5.27

Calibration Group ................................................................... 5.30

Chapter 6: Operations ...................................................................... 6.1

Startup MicroDIN ..................................................................... 6.2

MicroDIN Shutdown ................................................................ 6.3

Troubleshooting: Alarms and Errors................................. 6.4 - 6.5

Calibrating MicroDIN ............................................................... 6.6

Appendix .......................................................................................... A.1

Modbus

™

RTU .......................................................................... A.2

Glossary .................................................................................. A.8

Declaration of Conformity ...................................................... A.12

Specifications ........................................................................ A.14

Ordering Information.............................................................. A.15

Index ..................................................................................... A.16

Parameter Index .................................................................... A.18

Required Parameters Setup Order ......................................... A.19

Warranty Information .................................................. Back Cover

Figures by page

MicroDIN Inputs and Outputs .................................... Figure 1.2

MicroDIN Indicator Lights .................................................... 1.3

MicroDIN Top View with DIP Switches ................................. 2.1

Figure Description ................................................................ 2.1

Mounting a MicroDIN Controller ........................................... 3.2

Mounting on a DIN rail ........................................................ 3.3a

Dismounting off a DIN rail .................................................. 3.3b

Bottom view of case with pin assignments

........................... 3.4

Control Input, Thermocouple .............................................. 3.5a

Control Input, 2 and 3-wire RTD ......................................... 3.5b

Control Input ....................................................................... 3.6a

Internal Output Circuitry ..................................................... 3.6b

Alarm Output ...................................................................... 3.6c

Power Wiring ...................................................................... 3.6d

Converter-to-MicroDIN Wiring Example ............................... 3.7

Termination for MicroDIN ..................................................... 3.9

System Wiring Example ...................................................... 3.10

System Wiring Example ...................................................... 3.11

Auto-tuning ........................................................................... 4.2

Power Limits ........................................................................ 4.3

Calibration Offset .................................................................. 4.4

Filtered and Unfiltered Input Signals ..................................... 4.5

Sensor Ranges ..................................................................... 4.6

On/Off Control for Cooling and Heating ................................ 4.7

Proportional Control ............................................................. 4.8

Proportional plus Integral Control ........................................ 4.9

PID Control ......................................................................... 4.10

Alarm Settings .................................................................... 4.11

Alarm Latching ................................................................... 4.12

Alarm Silencing .................................................................. 4.13

Error Information ................................................................ 4.14

Calibrating diagrams ............................................................. 6.6

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Watlow MICRODIN Manual de usuario Pagina 6

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