TMO2D With Fault Alarm Event Log Operating Manual 92 KB
Contents
1. 02 2000 09 34 33 02 No Calibration at 10 05 2000 10 14 44 03 Normal Operation 10 05 2000 10 21 58 A i Event Type Event Time Figure 6 A Typical Event Log Printout Exiting the System Log To exit the System Log menu proceed as follows Menu SYSTEM LOG MENU Press NO until the Done Print System Log prompt appears SYSTEM LOG MENU Press YES to return to the Done Main Menu 913 220B 122. Fault Alarm When you finish testing the on off DONE Fault Alarm use the NO or arrow keys to select DONE Then press YES to exit the Fault Alarm test menu Exit the Alarms Test menu as described in your User s Manual 913 220B 9 10 2 00 Using the Event Log 913 220B Your modified TMO2D maintains an Event Log in battery backed memory Among other things this log indicates the nature of any fault signaled by the Fault Alarm relay by recording the type date and time of the relevant events The Event Log can record up to 25 events of the following types e factory initialization e system power on e system RESET RAM checksum failure memory corruption transmitter under range e transmitter over range no calibration curve e return to normal operation e AutoCal Total drift e AutoCal Drift Cal Note Testing the Fault Alarm does not appear in the Event Log The TMO2D stores only the 25 most recent events in its memory When additional events occur the TMO2D discards the oldest event from the log to make room for the new event 10 10 2 00 fe _________________________________________ _____ Viewing the Event Log The Event Log may be viewed on the TMO2D display or transmitted to a computer printer or other data acquisition system via the RS232 serial port To view the Event Log on the TMO2D display press NO and the following prompt appears Enter Code Using the keypad enter
3. OR EQUAL BLUE RECORDER A TRANSMITTER OPTIONAL RECORDER _ B NOTES 1 Standard relays are rated for 2 Amps 120 VAC 2 User must ensure against explosive gas mixtures when using auto calibration 3 Fault alarm is wired normally closed to common at the CAL relay OUTLET INLET Figure 1 Wiring the TMO2D with Fault Alarm Software Version 4B or Earlier 913 220B 2 10 2 00 i ________________________________________ ___ ____ Testing the Fault Alarm The Fault Alarm is tested in the same way as the other alarms refer to Table 1 on page 2 for a summary of the Fault Alarm relay conditions Follow the instructions in Chapter 4 of your User s Manual under Alarms Test to enter the Alarms Test menu Notice that the display below now shows fault as an additional choice Select alarm to test Use the NO or arrow keys to HIGH low fault done select FAULT Select alarm to test Press YES to confirm your high low FAULT done selection Turn Fault Alarm Use the NO or arrow keys to ON off done select ON Then press YES to turn the Fault Alarm ON non fault condition Note When YES is pressed above the alarm relay turns ON non fault condition and the selection brackets move to OFF Turn Fault Alarm Press YES to turn the Fault on OFF done Alarm OFF fault condition Note When YES is pressed above the alarm relay tur
4. the 50 0 Alarm system passcode 123 An asterisk is displayed as each digit is entered MAIN MENU Press NO until the System Setup Log prompt appears MAIN MENU Press YES System Log SYSTEM LOG MENU Press NO until the Display Display System Log System Log prompt appears Then press YES 03 Normal Operation The most recent event in the 04 04 1997 10 21 58 Event Log is displayed At the above prompt use the arrow keys to scroll through the logged events lt for the previous event for the next event When done press NO to exit the Event Log See Figure 5 below for a description of the components of the event log screen Event Number 0 24 TF v Type of Event 03 Normal Operation 10 02 2000 10 21 58 Date of Event gt L Time of Event Figure 5 The Event Log Display Screen 913 220B 11 10 2 00 ____________________________________ _____ Printing the Event Log To print the Event Log enter the System Log menu as described in the previous section The following display appears SYSTEM LOG MENU Press NO Display System Log SYSTEM LOG MENU Press YES and the entire log Print System Log is transmitted via the RS232 serial port The Event Log printout looks similar to the example shown in Figure 6 below Event Number Event Date 00 Factory Init at 10 02 2000 09 34 32 01 Cell Under Range at 10
5. the following prompt appears Enter Code Using the keypad enter the 50 0 Alarm system passcode 123 An asterisk is displayed as each digit is entered MAIN MENU Press NO until the System Setup Log prompt appears MAIN MENU Press YES System Log SYSTEM LOG MENU Press NO until the Display Display System Log System Log prompt appears Then press YES 03 Normal Operation The most recent event in the 04 04 1997 10 21 58 Event Log is displayed At the above prompt use the arrow keys to scroll through the logged events lt for the previous event for the next event When done press NO to exit the Event Log See Figure 2 below for a description of the components of the event log screen Event Number 0 24 Type of Event 03 Normal Operation 10 02 2000 10 21 58 Date of Event Time of Event Figure 2 The Event Log Display Screen 913 220B 5 10 2 00 ____________________________________ _____ Printing the Event Log To print the Event Log enter the System Log menu as described in the previous section The following display appears SYSTEM LOG MENU Press NO Display System Log SYSTEM LOG MENU Press YES and the entire log Print System Log is transmitted via the RS232 serial port The Event Log printout looks similar to the example shown in Figure 3 below Event Number Event Date 00 Fact
6. 10 2 00 ET TMO2D with Fault Your TMO2D oxygen analyzer has been modified to provide a Fault Alarm and Event Log Alarm relay contact and an Event Log However before you can access these features the TMO2D must be installed and programmed as instructed in your basic User s Manual Depending on the specific software version installed in your unit the details for using the Fault Alarm and Event Log differ somewhat After verifying your software version proceed directly to one of the following sections e Software Version 4B or earlier go to the section below e Software Version 4C or later go to the section on page 7 Software Version 4B If the software installed in your analyzer is Version 4B or earlier or Earlier proceed with this section However if software Version 4C or later is installed in your analyzer skip this section and proceed directly to the section on page 7 Using the Fault Alarm The Fault Alarm relay is energized during normal operation If a fault or a power failure occurs the relay is de energized This is known as failsafe operation The relay has Form C contacts so that a fault can be indicated with either an open contact or a closed contact The failsafe Fault Alarm trips when one or more of the following fault events occurs e power failure RAM checksum failure memory corruption transmitter under range transmitter over range no calibration curve The TMO2D indicates a fault even
7. NAL RECORDER _ B NOTES 1 Standard relays are rated for 2 Amps 120 VAC 2 User must ensure against explosive gas mixtures when using auto calibration 3 Fault alarm is wired normally closed to common at the HIGH relay OUTLET INLET Figure 4 Wiring the TMO2D with Fault Alarm Software Version 4C or Later 913 220B 8 10 2 00 fe __________________________________________ __ _____ Testing the Fault Alarm The Fault Alarm is tested in the same way as the other alarms refer to Table 2 on page 7 for a summary of the Fault Alarm relay conditions Follow the instructions in Chapter 4 of your User s Manual under Alarms Test to enter the Alarms Test menu Notice that the display below now shows fault as an additional choice Select alarm to test Use the NO or arrow keys to HI LOW fault done select FAULT Select alarm to test Press YES to confirm your hi low FAULT done selection Turn Fault Alarm Use the NO or arrow keys to ON off done select ON Then press YES to turn the Fault Alarm ON non fault condition Note When YES is pressed above the alarm relay turns ON non fault condition and the selection brackets move to OFF Turn Fault Alarm Press YES to turn the Fault on OFF done Alarm OFF fault condition Note When YES is pressed above the alarm relay turns OFF fault condition and the selection brackets move to ON Turn
8. ltaneously the TMO2D indicates the fault from highest precedence power failure to lowest no calibration curve in the order listed above When all fault conditions have been removed the fault relay is re energized Faults are detected only when the TMO2D is in Operate Mode displaying data When in Menu Mode during programming the detection and signaling of faults is suspended In this case the Fault Alarm holds its last state energized or de energized until the unit has been returned to Operate Mode To provide power failure detection the Fault Alarm relay is energized ON during normal operation and de energized OFF during a fault condition Therefore when testing the alarm relay select ON to indicate a normal operating condition and OFF to indicate a fault condition see Table 2 below Table 2 Fault Alarm Relay Conditions Alarm State Alarm Test Selection 10 2 00 Wiring the Fault Alarm Your TMO2D uses the relay labeled HIGH for the Fault Alarm Wire the Fault Alarm as shown in Figure 4 below Note With this software version the LOW alarm relay handles both the low alarm trip point and the high alarm trip point OXYGEN SPARE RECORDERS CELL INPUTS 0 4 20MA AUTOCAL ALARMS RECA RECB PROCESS CAL LOW HIGH L L D D I I I i 28 2 amp C NCNO C NCNO C NCNO C NCNO RED T CABLE STACKS 237 047 WHITE OR EQUAL BLUE RECORDER A TRANSMITTER OPTIO
9. ns OFF fault condition and the selection brackets move to ON Turn Fault Alarm When you finish testing the on off DONE Fault Alarm use the NO or arrow keys to select DONE Then press YES to exit the Fault Alarm test menu Exit the Alarms Test menu as described in your User s Manual 913 220B 3 10 2 00 fe _________________________________________ __ _ Using the Event Log Your modified TMO2D maintains an Event Log in battery backed memory Among other things this log indicates the nature of any fault signaled by the Fault Alarm relay by recording the type date and time of the relevant events The Event Log can record up to 25 events of the following types e factory initialization e system power on e system RESET e RAM checksum failure memory corruption transmitter under range e transmitter over range e no calibration curve e return to normal operation Note Testing the Fault Alarm does not appear in the Event Log The TMO2D stores only the 25 most recent events in its memory When additional events occur the TMO2D discards the oldest event from the log to make room for the new event 913 220B 4 10 2 00 fe _________________________________________ _____ Viewing the Event Log The Event Log may be viewed on the TMO2D display or transmitted to a computer printer or other data acquisition system via the RS232 serial port To view the Event Log on the TMO2D display press NO and
10. ory Init at 10 02 2000 09 34 32 01 Cell Under Range at 10 02 2000 09 34 33 02 No Calibration at 10 05 2000 10 14 44 03 Normal Operation 10 05 2000 10 21 58 A i Event Type Event Time Figure 3 A Typical Event Log Printout Exiting the System Log To exit the System Log menu proceed as follows Menu SYSTEM LOG MENU Press NO until the Done Print System Log prompt appears SYSTEM LOG MENU Press YES to return to the Done Main Menu 913 220B 6 10 2 00 Software Version 4C or Later Using the Fault Alarm 913 220B If the software installed in your analyzer is Version 4C or later proceed with this section However if software Version 4B or earlier is installed in your analyzer skip this section and proceed directly to the section on page 1 The Fault Alarm relay is energized during normal operation If a fault or a power failure occurs the relay is de energized This is known as failsafe operation The relay has Form C contacts so that a fault can be indicated with either an open contact or a closed contact The failsafe Fault Alarm trips when one or more of the following fault events occurs e power failure RAM checksum failure memory corruption e transmitter under range transmitter over range e no calibration curve e AutoCal Total drift e AutoCal Drift Cal The TMO2D indicates a fault event by de energizing the relay If multiple faults occur simu
11. t by de energizing the relay If multiple faults occur simultaneously the TMO2D indicates the fault from highest precedence power failure to lowest no calibration curve in the order listed above When all fault conditions have been removed the fault relay is re energized Faults are detected only when the TMO2D is in Operate Mode displaying data When in Menu Mode during programming the detection and signaling of faults is suspended In this case the Fault Alarm holds its last state energized or de energized until the unit has been returned to Operate Mode 913 220B 1 10 2 00 Using the Fault Alarm To provide power failure detection the Fault Alarm relay is cont energized ON during normal operation and de energized OFF during a fault condition Therefore when testing the alarm relay select ON to indicate a normal operating condition and OFF to indicate a fault condition see Table 1 below Table 1 Fault Alarm Relay Conditions Alarm State Alarm Test Selection normal operation energized ON fault de energized OFF Wiring the Fault Alarm Your TMO2D uses the relay labeled CAL for the Fault Alarm Wire the Fault Alarm as shown in Figure 1 below LOW ALARM fo D TMO2D OXYGEN SPARE RECORDERS CELL INPUTS 0 4 20MA AUTOCAL ALARMS m 7 RECA RECB PROCESS CAL LOW HIGH L L D VT 28 C NCNO C NCNO C NCNO C NCNO RED T CABLE BLACK 237 047 WHITE
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