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Sample Sequencer
Appendix D
SENTRY Equipment Corp • P. O. Box 127 • Oconomowoc, WI 53066 • 262/567-7256 • FAX: 262/567-4523
Web: www.sentry-equip.com • e-mail: sales@sentry-equip.com
68
NOTES:
1) Program Hach analyzer to
output 4-20 mA by selecting
appropriate DIP switch on the
Hach Microprocessor board in the
Hach control unit. Consult Hach
manual.
2) Program Hach analyzer to
output system alarm on Relay 3.
3) Program Hach analyzer to
output end-of-measurement
signal (contact closure) on Relay
4.
4) If remote track & hold option
is used with Sample Sequencer,
the 4-20 mA REC OUT signal is
also connected in series to the
track & hold boards. See
diagram of recorder connections
using remote track & hold output
boards.
5) If signal switching output
board option is used with Sample
Sequencer, the 4-20 mA REC
OUT signal is also connected in
series to the signal switching
output boards. See diagram of
recorder connections using signal
switching output boards.
FIGURE D1 - Wiring to Hach Series 5000 Analyzer Models 60000 - 60004