LTH Electronics BPD17 - Polarity

Digital Inputs
BPD17 pH / Redox Monitor
Operating Guide
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Function
The digital input can be configured to operate in the
following ways:
 Offline
 Interlock
 Flow Switch Input
 Tank Level Switch
These four functions when active will take the
instrument “offline”. This causes any active setpoints
to de-energise, the 0/4-20mA output to change to its
set offline state and the selected function message to
appear on the front screen.
/ – Select Option
EXIT
– Cancel
– Save Selection
Polarity
Configure whether the digital input activates on the
closing of circuit (normal) or the opening of the
circuit (reverse).
/ – Select Option
EXIT
– Cancel
– Save Selection