General Monitors 4802A - Installation Procedures; Control Module Installation; Rear Terminal Connections

Model 4802A
xvi
3.0 Installation ........................................................................................................ 3
3.1 Upon Receipt of Equipment ..................................................................................... 3
3.2 Control Module Installation....................................................................................... 3
3.3 Rear Terminal Connections...................................................................................... 4
3.3.1 A2 Alarm ........................................................................................................ 5
3.3.2 A1 Alarm ........................................................................................................ 6
3.3.3 Fault Alarm..................................................................................................... 6
3.3.4 Other Open Collector Outputs........................................................................ 7
3.3.5 Sensor Connections....................................................................................... 8
3.3.6 Card Test Switch............................................................................................ 9
3.4 Sensor Location Considerations ............................................................................ 11
3.4.1 General Sensor Location Considerations .................................................... 11
3.5 Sensor Poisons ...................................................................................................... 11
3.6 Applying Power ...................................................................................................... 11
3.7 Installation Instructions for the Sensor ................................................................... 12
4.0 Operation ...................................................................................................... 14
4.1 General Maintenance ............................................................................................. 14
4.2 Electrical Inputs ...................................................................................................... 14
4.3 Electrical Outputs ................................................................................................... 14
4.4 Accepting Alarm Conditions ................................................................................... 15
4.5 Resetting Latched Alarms ...................................................................................... 16
4.6 CAL/INH Open Collector ........................................................................................ 16
4.7 Card Test Feature .................................................................................................. 17
4.8 Fault Diagnostics .................................................................................................... 17
4.8.1 F1- Open analog output signal..................................................................... 17
4.8.2 F2 - Failed to complete calibration............................................................... 17
4.8.3 F3 - Software checksum error...................................................................... 17
4.8.4 F4 - Sensor connections are open or short-circuited or there is excessive
zero drift ...................................................................................................... 17
4.8.5 F5 - Not used at this time ............................................................................. 17
4.8.6 F6 - Low supply voltage ............................................................................... 17
4.8.7 F7 - EEPROM verification failure ................................................................. 17
4.8.8 F8 - Failed to complete setup....................................................................... 18
4.8.9 F9 - Calibration check period exceeded ...................................................... 18
5.0 User Interfaces ...................................................................................................... 19
5.1 Types of User Interfaces ........................................................................................ 19
5.2 Calibration Check Mode ......................................................................................... 20