Watlow MICRODIN - Manual (Page 6)

i v W a t l o w M i c r o D I N
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 ™ Register Table ........................................................... 2.6
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
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
TC
Table of Contents