Hach FL1500, User Manual

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Figure 13 Optional device connections (advanced model shown)
1 RS485 6 Sampler (AS950 sampler is recommended)
2 Rain gauge 7 IO9004 module
3 Digital outputs (2x) 8 Analog input
4 Digital inputs (2x) 9 Analog outputs (3x)
5 Totalizer, mechanical
Table 5 AS950 sampler wiring (auxiliary half cable 8528500/8528501)
Connection Color Signal Description
WHT NC White Not connected —
BLU GND Blue Ground Ground
ORG PULSE Orange Pulse in This signal is a sample collection trigger from the flow logger
(pulse or 4–20 mA) or a simple floating (dry) contact closure.
20 English