PD4-6624 & PD4-6628 Loop-Powered Flow Rate/Totalizers
Instruction Manual
7
Key Features
1. Available on PD4-6624 only. Requires external 24 VDC power.
2. Backlight requires external 24 VDC power.
Large Informative Display
One of the most convenient features of the PD4 Loop
Series is its large, dual-line display. The
PD4’s whopping 2.8" 5-character alphanumeric top
display and 1.5" 8-character alphanumeric bottom
display, plus a 20-segment bargraph with percentage
indication on top, makes reading and understanding
process values easier than ever.
Predefined display units give users even more display
flexibility. Plus, the high contrast backlit LCD display
is readable from far away and under various lighting
conditions.
Backlight Turns Red on Alarm
When an alarm occurs, the display can be
programmed to turn red and flash. In addition, a
unique custom alarm message for each of the two
relays and two open collectors can be displayed on
the bottom display. These features can be activated
even if no relay or open collector is connected.
Commas on 8-Digit Totalizer for
Easy Reading
It may seem like a simple thing, but adding commas
to an eight-digit number makes it easier to read:
Dual-Scale Feature
Users can use the dual-scale feature to display
the input in two different scales. For instance, the
example below shows an application where the Loop
displays the input in gallons per minute and
cubic feet per minute.
14-Segment Characters
Notice how much better letters like “T”, “N” and “K”
appear as 14-segment characters on the Loop
vs 7-segment characters found on many other meters.
