Volume 13—Counters, Timers and Tachometers CA08100015E—March 2011 www.eaton.com 65
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Counters, Panel Meters, Tachometers and Timers
Count Controls/Preset Counters
1/16 DIN LCD Preset Counters with Rate and Time
Product Description
AC or DC powered preset
counters that can function as
timer or tachometer/
ratemeter.
Features
●Two-line display with green
backlight (E5-648-C2421
and E5-648-C2422) or
multi-color red/green LED
backlighting (E5-648-
C4461 and E5-648-C4462)
●Programmable as preset
counter, batch counter or
totalizer
●Power supply: 90–260 Vac
or 10–30 Vdc
●Direct input of the presets
via front keys or Teach-In
input
●Relay outputs
●Scaling by multiplication
and division factors 0.0001
to 99.999
●Two preset values, two
outputs
●Four preset values, four
outputs
Standards and Certifications
●cRU®us approval
●CE marked
Product Selection
1/16 DIN Two-Line LCD Count Control
Technical Data and Specifications
General Specifications
Note
Not a stocked product, contact Eaton Care for assistance.
Description Catalog Number
Two Preset LCD Count Control with Backlighting
90–260 Vac power 1.89 x 1.89 in (48 x 48 mm) E5-648-C2421
10–30 Vdc power 1.89 x 1.89 in (48 x 48 mm) E5-648-C2422
Four Preset LCD Count Control with Multi-Color Display
90–260 Vac power 1.89 x 1.89 in (48 x 48 mm) E5-648-C4461
10–30 Vdc power 1.89 x 1.89 in (48 x 48 mm) E5-648-C4462
Description Specification
Power supply 10–30 Vdc external fuse protection
90–260 Vac max. 8 VA external fuse protection
Display Two-line LCD display, six digits with programmable decimal point
Figure size 0.35 in (9 mm) high upper line
0.28 in (7 mm) high lower line
Count inputs Two count inputs (A and B), programmable for count/count direction, up/up, up/down,
quadrature, quad2, quad4, A/B or (A-B)/A x 100%
Input polarity Programmable for all inputs in common NPN/PNP
Input resistance Approx. 5k ohms
Count frequency Max. 55 kHz with programmable filter for 30 Hz (see manual for details)
Input min. pulse duration 10 ms for control inputs/1 ms for reset input
Switching levels
DC supply voltage
High 0.6 x UB–30 Vdc
Low 0–0.2 x UB (Vdc)
AC supply voltage
High 12–30 Vdc
Low 0–4 Vdc
Pulse shape Variable (Schmitt-Trigger characteristics)
E5-648-C_