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Chapter 2 Setup and Quick Start
Power Supply Requirements
The Flow Pulse Handheld requires a DC 12-18V external power
supply. The typical power consumption is 3.5W when not charging and 15
W when charging. The power supply should also be correctly fused at 2 A.
Cabling to a Flow Pulse
Connection to a Flow Pulse is via a 4-core screened cable supplied with a
plug to the Flow Pulse Handheld. Cable colour code is:
+12 V DC to power Flow Pulse
RS485 +ve to the Flow Pulse
RS485 –ve to the Flow Pulse
Take care not to short any of the cores during connection. Ensure that the
controller is powered-down while performing any cabling work.
If in doubt, isolate the 4 cores using a connector block, then plug in on the
controller side. Power-up the Flow Pulse Handheld and verify each
cable core by measuring its voltage.
Important Information
Please ensure that when carrying the Flow Pulse and Flow Pulse
Handheld the cable is held out of the way as it is a tripping hazard.
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