American Magnetics 187 Self-Compensating Liquid Level Controller - Manual (Page 6)

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Table of Contents
4.3.3 Flow Control Modes..................................................... 39
4.4 IEEE-488 Configuration ......................................................... 39
4.4.1 Termination Characters.............................................. 39
4.4.2 Device Clear ................................................................. 40
4.5 Command Reference ............................................................... 40
4.5.1 System-Related Commands ........................................ 40
4.5.2 Status System Commands .......................................... 41
4.5.3 Alarm Configuration Commands and Queries .......... 43
4.5.4 Level and Usage Queries ............................................ 44
4.5.5 Length Configuration Commands and Queries ......... 44
4.5.6 Fill Mode Control and Queries ................................... 45
4.5.7 Calibration Commands and Queries .......................... 45
4.5.8 Remote Units Commands and Queries ...................... 46
4.6 Error Messages........................................................................ 47
4.6.1 Command Errors ......................................................... 48
4.6.2 Query Errors ................................................................ 49
4.6.3 Execution Errors.......................................................... 49
4.6.4 Device Errors ............................................................... 49
5 Service .................................................................................... 51
5.1 Model 187 Maintenance .......................................................... 51
5.2 Model 187 Troubleshooting Hints .......................................... 51
5.2.1 The Model 187 does not appear to be energized
with the power switch in the
32:(5 ( , ) position. .... 52
5.2.2 The Model 187 does not remember the alarm
setpoints after power is removed. ............................... 53
5.2.3 The Model 187 displays “Over/Under Flow”. ............. 54
5.2.4 The Model 187 displays “Max Diel Exceeded”. .......... 54
5.2.5 The liquid level unexpectedly drops rapidly as
the tank level approaches 100%. ................................ 54
5.2.6 The liquid level unexpectedly rises rapidly as
the tank level approaches 0%. .................................... 55
5.2.7 The USER and FACTORY calibrations do not
yield the same liquid level. ......................................... 55
5.2.8 The Model 187 is not responding to remote
communications commands. ....................................... 55
5.3 Additional Technical Support ................................................. 56
5.4 Return Authorization .............................................................. 56