Watlow MLS User Manual
Page 8
Contents
MLS User’s Guide
ii
Connecting Power and RTB to MLS-PM..................... 27
Connecting Power and Common to AIM-TB............... 28
Testing Connections ..................................................... 28
Testing Your System .......................................................... 30
MLS-AIM Test ............................................................. 30
RTB Test....................................................................... 30
PID Output Test ............................................................ 30
Outputs..... .......................................................................... 31
PID Control and Alarm Output Connections................ 33
RTB Connections.......................................................... 34
AIM Communications Failure ...................................... 35
Inputs ....... .......................................................................... 36
Input Wiring Recommendations ................................... 37
Input Scaling ................................................................. 37
T/C Inputs ..................................................................... 39
RTD Inputs ................................................................... 40
Current Inputs ............................................................... 41
Voltage Inputs............................................................... 41
Unused Inputs ............................................................... 41
Communications ................................................................. 42
Changing Communications........................................... 42
Connecting RS-232 Communications .......................... 42
Connecting RS-485 Communications .......................... 43
Recommended Wire Gauges ........................................ 45
Using the MLS............................................................47
Front Panel .......................................................................... 48
Front Panel Keys........................................................... 49
Displays ... .......................................................................... 51
Viewing Several Loops: Bar Graph Display ................ 51
Viewing One Loop: Single Loop Display .................... 52
Interpreting Alarm Display ........................................... 53
Displaying, Loading, and Saving Jobs................................ 55
Operator Menus .................................................................. 56
Changing the Setpoint................................................... 56
Selecting Manual, Automatic, or Tune Control............ 56
Setup ...........................................................................59
How to enter the Setup menus? .................................... 59
How to edit a menu? ..................................................... 59
Setup Global Parameters Menu .......................................... 61
Save to Job .................................................................... 62
Load from Job ............................................................... 62
Job Select Inputs ........................................................... 63