Sterling M2B+ - Page 4

M2B+ Controller
CHAPTER 5: ADVANCED OPERATION .................................29
5-1 Using the Analog Remote Input ................................................................................29
5-2 Retransmission Analog Signal ..................................................................................30
Setting the Analog Signal Source to FLOW ........................................................31
Using Analog Output for Heating and Cooling.....................................................31
5-3 Using the Flow Monitor..............................................................................................32
5-4 Programming the Alarms...........................................................................................33
Temperature........................................................................................................33
Flow Alarm ..........................................................................................................34
Open Sensor .......................................................................................................34
Low Pressure ......................................................................................................34
Low Fluid Level Alarm.........................................................................................35
High Fluid Level Alarm ........................................................................................35
Pump Failure Alarm.............................................................................................35
Safety Thermostat Alarm.....................................................................................35
Welded Contactor Alarm .....................................................................................35
5-5 Using the Second Setpoint Function.........................................................................36
5-6 Using the Remote Start Function ..............................................................................36
5-7 Changing the Temperature Display Units .................................................................37
5-8 Setting the Temperature Display Precision...............................................................37
5-9 Using the Elapsed Time Meter..................................................................................38
5-10 Programming Ramp/Soak.........................................................................................39
Controlling Ramp/Soak .......................................................................................41
Monitoring Ramp/Soak........................................................................................41
5-11 Setting the Approach Rate ........................................................................................42
5-12 Level Input Operation (Water Units)..........................................................................42
5-13 Adjusting the LCD Display Contrast..........................................................................42
5-14 Adjusting the Auto Shutdown Temperature Setpoint ................................................42
5-15 Calibrating the T/C, RTD, and V Inputs.....................................................................43
5-16 Accessing the Debug Menu ......................................................................................45
5-17 Reloading Factory Defaults.......................................................................................46
5-18 Serial Communications Operation.............................................................................47
Port Address........................................................................................................47
Baud Rate and Data Format ...............................................................................47
Protocols .............................................................................................................47
MODBUS Protocol ..............................................................................................48
SPI Protocol ........................................................................................................51
CHAPTER 6: TROUBLESHOOTING .......................................53
6-1 Operating Mode and Error Display Messages ..........................................................55
CHAPTER 7: APPENDIX..........................................................56
7-1 Electrical Specifications.............................................................................................56
General................................................................................................................56
Normal Operating Environment...........................................................................56
Storage Environment...........................................................................................56
Primary, Power Supply (Line Power)...................................................................56
Alarm Outputs .....................................................................................................56
External System Outputs.....................................................................................56
4 of 65 Chapter 1: Safety