Sentry Sample Sequencer 5 Installation, Operation And Maintenance Manual page 66

Sentry Equipment Corp | Sample Sequencer
Figure B-1: Wiring to a Hach Series 5000 Analyzer
Older Hach Series 5000 Analyzers
If you have an analyzer with a catalog model number 5000X-XX, contact Hach Service
Department at 1-800-227-4224 regarding the use of the Sample Sequencer with your analyzer.
Updated software EEPROM may be required to operate correctly with the Sample Sequencer.
If you have an analyzer with a catalog model number 5500X-XX, configure your unit as follows:
Model 5500X-XX Configuration
1. The wiring is different for the model 5500X-XX than shown in Figure B1. The changes are:
a. Connect the Sample Sequencer End-of-Batch terminals to the Hach terminals
labeled NO and COM on ALRM 2.
b. Connect the Sample Sequencer Analyzer Alarm terminals to the Hach terminals
labeled NO and COM on SYS ALRM.
2. Open the control module door and loosen the screw to allow access to the rear of the
display board. Remove the back cover.
3. Turn DIP switch #1 (S1) ON by pressing it. This puts the analyzer in the Extended
Diagnostic menu.
4. Press the TEST key.
5. Using the NEXT key, scroll through the diagnostic menu to "MARK END of MEAS," then,
press ENTER. This will cause the number 2 alarm contact to close at the end of each
analysis cycle. The Series 5000 now provides a contact closure to advance the Sample
Sequencer to the next sample point each time alarm 2 contact closes. The alarm 2 contact
60

5
SPD 5.5.15